// Database of October–November 2026 half marathons (ハーフマラソン) in Japan.
// Compiled from RUNNET (runnet.jp) race calendars & individual race pages on 2026-07-24.
// Registration status is computed at view-time from entryStart / entryEnd,
// with a "soldOut" override for races that closed early due to reaching capacity.
// Course profile / terrain / elevation / climate notes are summarized from official race pages
// and general Japanese climatology for the given region and date — verify on the official page.

const RACES = [
  {
    id:"yamagata-marugoto",
    name:"山形まるごとマラソン",
    nameEn:"Yamagata Marugoto Marathon",
    prefecture:"山形県",
    city:"山形市",
    region:"tohoku",
    date:"2026-10-04",
    weekday:"Sun",
    lat:38.2408,
    lng:140.3633,
    entryStart:"2026-04-30",
    entryEnd:"2026-07-31",
    capacity:6000,
    fee:"¥6,000",
    limitTime:"2h50m",
    lottery:false,
    soldOut:false,
    official:"https://yamagata-city-marathon.com/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=387665&div=1",
    note:"大迫傑選手がクリエイティブ・アンバサダー。名物「芋煮坂」。いも煮・シャインマスカットの振る舞い。",
    profile:"Rolling with a famous climb",
    terrain:"City streets, river park, historic districts",
    elevNote:"Roughly flat through town; the signature 芋煮坂 (Imoni-zaka) climb hits in the final 2 km, then it is downhill to the finish.",
    vibe:"Suido street race with big crowds, warm local support, and Yamagata food (imonijaka, Shine Muscat grapes). Ambassador: Suguru Osako.",
    clim:"Oct 4, Yamagata: morning ~13–15°C, high ~20–23°C. Cool, dry autumn weather; possible morning chill in the basin."
  },
  {
    id:"aizu-tsurugajo",
    name:"会津若松市鶴ヶ城ハーフマラソン",
    nameEn:"Aizu Tsurugajo Half Marathon",
    prefecture:"福島県",
    city:"会津若松市",
    region:"tohoku",
    date:"2026-10-04",
    weekday:"Sun",
    lat:37.4881,
    lng:139.9286,
    entryStart:"2026-05-01",
    entryEnd:"2026-06-30",
    capacity:null,
    fee:"¥7,000",
    limitTime:"2h40m",
    lottery:false,
    soldOut:false,
    official:"https://aizu-tsurugajomarathon.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=389133&div=1",
    note:"鶴ヶ城の城郭・天守閣を間近に。城下町と磐梯山の田園風景。こづゆの振る舞い。",
    profile:"Mostly flat with gentle undulations",
    terrain:"Castle town streets, rural rice fields, Mt. Bandai views",
    elevNote:"Max elevation difference ~30 m. Flatland course through the castle town and autumn rice fields.",
    vibe:"Run past Tsurugajo Castle's walls and keeps; lots of local food (kozuji) and a festive castle-town atmosphere.",
    clim:"Oct 4, Aizu-Wakamatsu: morning ~10–13°C, high ~18–21°C. Inland basin, cool and crisp; bring a layer for the start."
  },
  {
    id:"sapporo-marathon",
    name:"札幌マラソン",
    nameEn:"Sapporo Marathon",
    prefecture:"北海道",
    city:"札幌市",
    region:"hokkaido",
    date:"2026-10-04",
    weekday:"Sun",
    lat:43.0618,
    lng:141.3545,
    entryStart:"2026-05-23",
    entryEnd:"2026-07-11",
    capacity:8000,
    fee:"¥8,000",
    limitTime:"公認",
    lottery:false,
    soldOut:false,
    official:"https://satumara.sapporo-sport.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=391318&div=1",
    note:"北日本最大級の市民マラソン。14,000人以上参加。ジャパンプレミアハーフシリーズ加盟。",
    profile:"Flat, certified",
    terrain:"Wide city avenues, park finishing at the stadium",
    elevNote:"Flat certified course through central Sapporo to Makomanai Stadium.",
    vibe:"Northern Japan's biggest citizens' marathon (~14,000 runners); eco-style with my-bottle/my-cup hydration.",
    clim:"Oct 4, Sapporo: morning ~7–10°C, high ~14–17°C. Cool, fall feel — often ideal racing weather."
  },
  {
    id:"higashi-nihon-half",
    name:"東日本ハーフマラソン",
    nameEn:"Higashi-Nihon Half Marathon",
    prefecture:"神奈川県",
    city:"相模原市",
    region:"kanto",
    date:"2026-10-04",
    weekday:"Sun",
    lat:35.5718,
    lng:139.3943,
    entryStart:"2026-04-01",
    entryEnd:"2026-08-17",
    capacity:null,
    fee:"—",
    limitTime:"—",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=390254&div=1",
    note:"普段は入れない在日米軍基地内を走る特別なハーフ。「宇宙のまち相模原」がテーマ。",
    profile:"Mostly flat inside a military base",
    terrain:"Unique access onto a US base, spacious roads",
    elevNote:"Flat loop roads of the base; space-themed decorations.",
    vibe:"Rare opportunity to run inside a US Army base; 'cosmic city' theme and inclusive, fun-run feel.",
    clim:"Oct 4, Sagamihara: morning ~14–16°C, high ~22–24°C. Mild; generally dry and pleasant."
  },
  {
    id:"akabane-october",
    name:"東京都北区赤羽オクトーバーマラソン",
    nameEn:"Akabane October Marathon",
    prefecture:"東京都",
    city:"北区",
    region:"kanto",
    date:"2026-10-10",
    weekday:"Sat",
    lat:35.7764,
    lng:139.7245,
    entryStart:"2026-05-30",
    entryEnd:"2026-09-06",
    capacity:null,
    fee:"—",
    limitTime:"—",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=390739&div=1",
    note:"前回は定員締切。記録証即時発行。商店街のアフターランも楽しめる地元マラソン。",
    profile:"Urban, relatively flat",
    terrain:"Local streets and shopping districts",
    elevNote:"Flat Kita-ku street course; immediate printed finish certificate.",
    vibe:"Friendly local race; enjoy Akabane's shopping streets after the run.",
    clim:"Oct 10, Tokyo: morning ~13–16°C, high ~21–23°C. Usually mild autumn weather."
  },
  {
    id:"maizuru-akarenga",
    name:"舞鶴赤れんがハーフマラソン",
    nameEn:"Maizuru Akarenga Half Marathon",
    prefecture:"京都府",
    city:"舞鶴市",
    region:"kansai",
    date:"2026-10-12",
    weekday:"Hol",
    lat:35.4478,
    lng:135.4155,
    entryStart:"2026-06-08",
    entryEnd:"2026-08-03",
    capacity:2800,
    fee:"¥5,500",
    limitTime:"3h",
    lottery:false,
    soldOut:false,
    official:"https://maizuruakarenga-marathon.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=391456&div=1",
    note:"海上自衛隊航空基地・護衛艦の桟橋を巡く舞鶴湾の特別コース。ゲスト：千葉真子さん。",
    profile:"Mostly flat along the bay",
    terrain:"Naval base, piers, red-brick warehouses, sea views",
    elevNote:"Flat around Maizuru Bay, naval air base and escort-ship pier; sea-level course.",
    vibe:"One of the few runs through naval facilities — ship views and red-brick port scenery; guest Chiba Masako.",
    clim:"Oct 12, Maizuru: morning ~13–15°C, high ~20–22°C. Coastal, mild; possible breeze off the bay."
  },
  {
    id:"onigiri-marathon",
    name:"おにぎりマラソン",
    nameEn:"Onigiri Marathon",
    prefecture:"東京都",
    city:"江東区",
    region:"kanto",
    date:"2026-10-17",
    weekday:"Sat",
    lat:35.6725,
    lng:139.7968,
    entryStart:"2026-06-15",
    entryEnd:"2026-09-12",
    capacity:null,
    fee:"—",
    limitTime:"長め",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=392833&div=1",
    note:"走った後に美味しいおにぎりが食べられる。制限時間長めで初心者・家族にも安心。",
    profile:"Urban park, flat",
    terrain:"Waterfront park in Koto-ku",
    elevNote:"Flat park/waterfront roads; generous time limit.",
    vibe:"Casual, family-friendly; free onigiri at the finish. Great for first-timers.",
    clim:"Oct 17, Tokyo: morning ~12–15°C, high ~20–22°C. Pleasant mid-autumn weather."
  },
  {
    id:"tokyo-legacy-half",
    name:"東京レガシーハーフマラソン",
    nameEn:"Tokyo Legacy Half Marathon",
    prefecture:"東京都",
    city:"新宿区",
    region:"kanto",
    date:"2026-10-18",
    weekday:"Sun",
    lat:35.6938,
    lng:139.7034,
    entryStart:"2026-05-26",
    entryEnd:"2026-06-09",
    capacity:18000,
    fee:"¥13,200",
    limitTime:"3h",
    lottery:true,
    soldOut:false,
    official:"https://www.legacyhalf.tokyo/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=390713&div=1",
    note:"国立競技場発着、18,000人。都心主要道路を往復。抽選大会。登録は締切済。",
    profile:"Mostly flat with some gentle rises",
    terrain:"Central Tokyo: National Stadium start/finish, city landmarks",
    elevNote:"Mostly flat on main arteries (Nihombashi, Jinbouchou); gentle rollers on city boulevards.",
    vibe:"18,000 runners through Tokyo's core with stadium start/finish — a premier urban half (lottery entry).",
    clim:"Oct 18, Tokyo: morning ~12–15°C, high ~20–22°C. Ideal autumn running weather."
  },
  {
    id:"omachi-alps",
    name:"大町アルプスマラソン",
    nameEn:"Omachi Alps Marathon",
    prefecture:"長野県",
    city:"大町市",
    region:"chubu",
    date:"2026-10-18",
    weekday:"Sun",
    lat:36.5061,
    lng:137.8597,
    entryStart:"2026-03-20",
    entryEnd:"2026-07-26",
    capacity:1200,
    fee:"¥6,000",
    limitTime:"3h",
    lottery:false,
    soldOut:false,
    official:"https://alps-marathon.net/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=386494&div=1",
    note:"北アルプスを望む歴史ある大会。ハーフ定員1,200人。締切が7/26に短縮（人気）。",
    profile:"Rolling to hilly with mountain backdrop",
    terrain:"Mountain foothills, rice fields, lake shore",
    elevNote:"Mix of hillside, farmland and lakeside roads; net character varies, scenic but with climbs.",
    vibe:"Run beneath the Northern Alps with autumn foliage; Kiwata vale food (apples, miso, local pork).",
    clim:"Oct 18, Omachi: morning ~7–10°C, high ~16–19°C. Highland area — cooler, crisp; can be chilly at start."
  },
  {
    id:"nagai-marathon",
    name:"長井マラソン",
    nameEn:"Nagai Marathon",
    prefecture:"山形県",
    city:"長井市",
    region:"tohoku",
    date:"2026-10-18",
    weekday:"Sun",
    lat:38.1097,
    lng:140.0889,
    entryStart:"2026-05-14",
    entryEnd:"2026-08-18",
    capacity:300,
    fee:"¥5,000",
    limitTime:"2h30m",
    lottery:false,
    soldOut:false,
    official:"http://nagai-marathon.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=387699&div=1",
    note:"東北でも数少ない公認ハーフ。最上川舟運の街並みと朝日連峰の紅葉。山形芋煮の振る舞い。",
    profile:"Flat, certified (full & half)",
    terrain:"Riverside town, Mogami River, autumn foliage",
    elevNote:"Certified flat course on town roads; half cap 300.",
    vibe:"One of Tohoku's few certified courses; colorful autumn leaves and Yamagata imoni stew at finish.",
    clim:"Oct 18, Nagai: morning ~8–11°C, high ~17–20°C. Inland, cool; morning can be quite crisp."
  },
  {
    id:"fukuyama-marathon",
    name:"ふくやまマラソン",
    nameEn:"Fukuyama Marathon",
    prefecture:"広島県",
    city:"福山市",
    region:"chugoku",
    date:"2026-10-18",
    weekday:"Sun",
    lat:34.4851,
    lng:133.3619,
    entryStart:"2026-06-22",
    entryEnd:"2026-08-19",
    capacity:null,
    fee:"—",
    limitTime:"—",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=393534&div=1",
    note:"市制施行110周年記念。秋のばらが咲く時期の「ばらの街ふくやま」。コース一新。",
    profile:"Mostly flat, urban",
    terrain:"Castle town, rose gardens in bloom",
    elevNote:"Mostly flat city roads; 110th city-anniversary renewal course; roses bloom in autumn.",
    vibe:"Rose-city autumn run; flat, beginner-friendly.",
    clim:"Oct 18, Fukuyama: morning ~14–16°C, high ~21–23°C. Seto Inland Sea climate — mild and dry."
  },
  {
    id:"tobetsu-sweden",
    name:"当別スウェーデンマラソン",
    nameEn:"Tobetsu Sweden Marathon",
    prefecture:"北海道",
    city:"当別町",
    region:"hokkaido",
    date:"2026-10-18",
    weekday:"Sun",
    lat:43.2256,
    lng:141.4772,
    entryStart:"2026-07-03",
    entryEnd:"2026-09-03",
    capacity:2300,
    fee:"¥7,000",
    limitTime:"関門あり",
    lottery:false,
    soldOut:false,
    official:"https://www.tobetsu-sweden-marathon.com/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=389438&div=1",
    note:"スウェーデンヒルズの紅葉が舞台。環境配慮型の持続可能な大会。ゲスト：高橋尚子さん。",
    profile:"Gently rolling through Swedish-inspired hills",
    terrain:"Sweden Hills resort, autumn foliage, golf club start/finish",
    elevNote:"Rolling hills on resort roads; check-point at 12 km; scenic colorful foliage.",
    vibe:"Sustainability-themed, autumn-leaf run in a Swedish-style village; guest Naoko Takahashi.",
    clim:"Oct 18, Tobetsu (Hokkaido): morning ~6–9°C, high ~13–16°C. Cool Hokkaido autumn — dress warmer."
  },
  {
    id:"teganuma-eco",
    name:"手賀沼エコマラソン",
    nameEn:"Teganuma Eco Marathon",
    prefecture:"千葉県",
    city:"柏市・我孫子市",
    region:"kanto",
    date:"2026-10-25",
    weekday:"Sun",
    lat:35.8612,
    lng:139.9773,
    entryStart:"2026-06-01",
    entryEnd:"2026-06-21",
    capacity:7800,
    fee:"¥7,000",
    limitTime:"3h15m",
    lottery:false,
    soldOut:false,
    official:"https://teganuma-eco.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=390079&div=1",
    note:"手賀沼湖畔を8の字に走る風光明媚な平坦コース。大会100撰常連。登録は締切済。",
    profile:"Flat lakeside loop (figure-8)",
    terrain:"Teganuma lakefront, parks, bridges",
    elevNote:"Flat, low-relief lakefront course with few undulations.",
    vibe:"Scenic 8-shaped run around Teganuma; brass-band and taiko support; laid-back atmosphere.",
    clim:"Oct 25, Kashiwa/Abiko: morning ~12–15°C, high ~20–22°C. Mild dry autumn weather."
  },
  {
    id:"suwako-marathon",
    name:"諏訪湖マラソン",
    nameEn:"Suwako Marathon",
    prefecture:"長野県",
    city:"諏訪市",
    region:"chubu",
    date:"2026-10-25",
    weekday:"Sun",
    lat:36.0494,
    lng:138.1167,
    entryStart:"2026-06-24",
    entryEnd:"2026-07-24",
    capacity:7000,
    fee:"¥7,700",
    limitTime:"3h",
    lottery:false,
    soldOut:false,
    official:"https://suwako.marathon.fm/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=391536&div=1",
    note:"晩秋の諏訪湖畔を走るフラットコース。今年は非公認コースで実施。",
    profile:"Flat around the lake",
    terrain:"Lake Suwa shore, hot-spring town",
    elevNote:"Mostly flat lakeside course; year-run is on a temporary uncertified route due to venue prep.",
    vibe:"Late-autumn flat lakeside cruise; apples and Shinshu soba at the finish.",
    clim:"Oct 25, Suwa: morning ~6–9°C, high ~15–18°C. Highland basin — cold morning, cool day."
  },
  {
    id:"ota-subaru",
    name:"上州太田スバルマラソン",
    nameEn:"Joshu Ota Subaru Marathon",
    prefecture:"群馬県",
    city:"太田市",
    region:"kanto",
    date:"2026-10-25",
    weekday:"Sun",
    lat:36.2917,
    lng:139.3669,
    entryStart:"2026-06-13",
    entryEnd:"2026-08-23",
    capacity:null,
    fee:"—",
    limitTime:"—",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=391634&div=1",
    note:"第30回記念大会。大抽選会あり。太田スポレク祭と同時開催。",
    profile:"Mostly flat, city course",
    terrain:"Ota city streets, sports festival site",
    elevNote:"Mostly flat city roads; big raffle and car prizes.",
    vibe:"30th anniversary celebration; Subaru-themed city race with a sports festival.",
    clim:"Oct 25, Ota (Gunma): morning ~10–13°C, high ~19–22°C. Inland, mild and dry."
  },
  {
    id:"nishinomiya-mukogawa",
    name:"にしのみや武庫川ハーフマラソン",
    nameEn:"Nishinomiya Mukogawa Half Marathon",
    prefecture:"兵庫県",
    city:"西宮市",
    region:"kansai",
    date:"2026-10-25",
    weekday:"Sun",
    lat:34.7389,
    lng:135.4186,
    entryStart:"2026-04-30",
    entryEnd:"2026-09-07",
    capacity:null,
    fee:"—",
    limitTime:"—",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=390896&div=1",
    note:"甲子園球場前スタート、武庫川河川敷を往復するフラットコース。シーズン前の脚試しに。",
    profile:"Flat riverside out-and-back",
    terrain:"Mukogawa riverbank, Koshien Stadium start",
    elevNote:"Flat riverbank out-and-back; net downhill-friendly for time attacks; sub-5/4/3 pacers.",
    vibe:"Flat, fast, paced by sub-3/4/5 pacers — a popular pre-season time-trial.",
    clim:"Oct 25, Nishinomiya: morning ~13–16°C, high ~21–23°C. Inland sea climate — mild."
  },
  {
    id:"tendo-lafrance",
    name:"天童ラ・フランスマラソン",
    nameEn:"Tendo La France Marathon",
    prefecture:"山形県",
    city:"天童市",
    region:"tohoku",
    date:"2026-11-01",
    weekday:"Sun",
    lat:38.3567,
    lng:140.1258,
    entryStart:"2026-06-01",
    entryEnd:"2026-09-01",
    capacity:3000,
    fee:"¥6,000",
    limitTime:"3h",
    lottery:false,
    soldOut:false,
    official:"https://www.lafrance-marathon.com/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=391576&div=1",
    note:"ラ・フランス食べ放題・芋煮の振る舞い。アドバイザー金哲彦さん。前日にクリニック・トークショー。",
    profile:"Rolling through orchard country",
    terrain:"Fruit orchards, Mt. Gassan/Asahi range views, autumn leaves",
    elevNote:"Rolling ups and downs through orchards; relaxed time limit for all levels.",
    vibe:"La France pears all-you-can-eat, imoni stew, live DJ — a cheerful food-and-run festival.",
    clim:"Nov 1, Tendo: morning ~6–9°C, high ~15–18°C. Cool autumn; chilly in the morning."
  },
  {
    id:"chikugogawa-marathon",
    name:"筑後川マラソン",
    nameEn:"Chikugogawa Marathon",
    prefecture:"福岡県",
    city:"久留米市",
    region:"kyushu",
    date:"2026-11-01",
    weekday:"Sun",
    lat:33.3146,
    lng:130.5067,
    entryStart:"2026-04-15",
    entryEnd:"2026-07-31",
    capacity:null,
    fee:"—",
    limitTime:"4h",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=389333&div=1",
    note:"筑後川河川敷のサイクリングロード。高低差・カーブ少なくタイム狙い・初心者向け。",
    profile:"Flat riverside cycling road",
    terrain:"Chikugo River banks, paved cycling road",
    elevNote:"Very flat, few curves on the riverbank cycling road; ideal for times and first-timers.",
    vibe:"Wide, flat, fast course; generous 4-hour time limit; great for beginners and PB attempts.",
    clim:"Nov 1, Kurume: morning ~11–14°C, high ~19–22°C. Northern Kyushu — mild and dry."
  },
  {
    id:"aino-tsuchiyama",
    name:"あいの土山マラソン",
    nameEn:"Aino Tsuchiyama Marathon",
    prefecture:"滋賀県",
    city:"甲賀市",
    region:"kansai",
    date:"2026-11-01",
    weekday:"Sun",
    lat:34.9614,
    lng:136.1761,
    entryStart:"2026-06-14",
    entryEnd:"2026-08-10",
    capacity:4000,
    fee:"¥7,000",
    limitTime:"3h5m",
    lottery:false,
    soldOut:false,
    official:"https://www.ac-koka.jp/marathon/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=391433&div=1",
    note:"全員完走を「あい」言葉に。マラソン+ハーフ合計4,000人。豚汁サービス。大会100撰。",
    profile:"Rolling main road with some climbs",
    terrain:"Old Tokaido road (Rt.1), mountain pass area, tea fields",
    elevNote:"Rolling on Rt.1 with the Suzuki-toge pass; not flat but scenic; ~4000 cap combined.",
    vibe:"'Let's all finish' motto; warm support, pork-miso soup, tea-region hospitality.",
    clim:"Nov 1, Koka: morning ~9–12°C, high ~17–20°C. Inland Shiga — cool, dry autumn."
  },
  {
    id:"ashikaga-takauji",
    name:"足利尊氏公マラソン大会",
    nameEn:"Ashikaga Takauji Marathon",
    prefecture:"栃木県",
    city:"足利市",
    region:"kanto",
    date:"2026-11-01",
    weekday:"Sun",
    lat:36.3372,
    lng:139.4497,
    entryStart:"2026-07-01",
    entryEnd:"2026-09-14",
    capacity:2000,
    fee:"¥4,500",
    limitTime:"2h40m",
    lottery:false,
    soldOut:false,
    official:"https://www.city.ashikaga.tochigi.jp/education/000032/000189/000629/p008341.html",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=393727&div=1",
    note:"フラットな初心者向けコース。足利学校・鑁阿寺など観光も。完走賞はオリジナルバスタオル。",
    profile:"Flat and fast",
    terrain:"City streets, Ashikaga historic sites (Ashikaga Gakko, Banna-ji)",
    elevNote:"Flat, scenic city course; relaxed time-friendly.",
    vibe:"Flat race with local food (wine, soba, sweets); free entry to historic sites with bib; runs past Ashikaga Gakko.",
    clim:"Nov 1, Ashikaga: morning ~8–11°C, high ~17–20°C. Inland Tochigi — cool, crisp autumn."
  },
  {
    id:"osaka-yodogawa",
    name:"大阪・淀川市民マラソン",
    nameEn:"Osaka Yodogawa Citizens Marathon",
    prefecture:"大阪府",
    city:"守口市",
    region:"kansai",
    date:"2026-11-01",
    weekday:"Sun",
    lat:34.8169,
    lng:135.5675,
    entryStart:"2026-04-17",
    entryEnd:"2026-09-27",
    capacity:null,
    fee:"—",
    limitTime:"4h(ハーフ)",
    lottery:false,
    soldOut:false,
    official:"",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=388456&div=1",
    note:"ハーフ4時間のゆとり設定。ゲスト高橋尚子さん。大会100撰受賞多数。初心者向け。",
    profile:"Flat riverside",
    terrain:"Yodogawa riverbank, city roads",
    elevNote:"Flat riverbank course; very generous 4-hour half limit.",
    vibe:"Inclusive citizens' marathon with a 4h half limit; guest Naoko Takahashi (Q-chan); beginner-friendly.",
    clim:"Nov 1, Osaka: morning ~12–15°C, high ~19–22°C. Mild, dry — comfortable autumn running."
  },
  {
    id:"setagaya246",
    name:"世田谷246ハーフマラソン",
    nameEn:"Setagaya 246 Half Marathon",
    prefecture:"東京都",
    city:"世田谷区",
    region:"kanto",
    date:"2026-11-08",
    weekday:"Sun",
    lat:35.6464,
    lng:139.6533,
    entryStart:"2026-07-01",
    entryEnd:"2026-07-31",
    capacity:2000,
    fee:"¥10,000〜",
    limitTime:"2h10m",
    lottery:true,
    soldOut:false,
    official:"http://www.se-sports.or.jp/246/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=394553&div=1",
    note:"国道246号線を走る。駒沢オリンピック公園発着。抽選（定員2,000人）。",
    profile:"Urban boulevard, gently rolling",
    terrain:"National Route 246, Komazawa Olympic Park",
    elevNote:"Mostly flat along Rt.246 with some gentle rollers; start/finish at Komazawa Park.",
    vibe:"Run the famous Route 246 through Setagaga; 2000-runner lottery race with urban energy.",
    clim:"Nov 8, Tokyo: morning ~9–12°C, high ~17–20°C. Cool autumn — good race conditions."
  },
  {
    id:"ibigawa-marathon",
    name:"いびがわマラソン",
    nameEn:"Ibigawa Marathon",
    prefecture:"岐阜県",
    city:"揖斐川町",
    region:"chubu",
    date:"2026-11-08",
    weekday:"Sun",
    lat:35.4083,
    lng:136.4389,
    entryStart:"2026-06-08",
    entryEnd:"2026-08-09",
    capacity:5000,
    fee:"¥8,000",
    limitTime:"3h",
    lottery:false,
    soldOut:true,
    official:"https://ibigawa-marathon.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=390074&div=1",
    note:"定員に達し締切日前に受付終了（売り切れ）。アドバイザー高橋尚子さん。大会100撰。",
    profile:"Mostly flat with some rises",
    terrain:"Ibi River area, town roads, castle bridges",
    elevNote:"Flat-to-rolling between Oogaki Castle and Sunomata Castle; official course.",
    vibe:"Large 5000-runner run connecting two castles; local food, awards to age groups, Ibigawa hospitality.",
    clim:"Nov 8, Ibigawa: morning ~8–11°C, high ~16–19°C. Gifu inland — cool, crisp autumn."
  },
  {
    id:"bando-masakado",
    name:"坂東市将門ハーフマラソン",
    nameEn:"Bando Masakado Half Marathon",
    prefecture:"茨城県",
    city:"坂東市",
    region:"kanto",
    date:"2026-11-08",
    weekday:"Sun",
    lat:36.0986,
    lng:139.7381,
    entryStart:"2026-07-01",
    entryEnd:"2026-08-31",
    capacity:3100,
    fee:"¥5,000",
    limitTime:"2h30m",
    lottery:false,
    soldOut:false,
    official:"http://masakadomarathon.jp",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=393173&div=1",
    note:"アップダウン少なく好タイムが出やすい。完走者からホノルルマラソン招待抽選。大会100撰。",
    profile:"Flat and fast",
    terrain:"Bando city roads, rural Kanto plain",
    elevNote:"Few ups and downs — promoted as easy to set a good time; 3100 cap.",
    vibe:"Flat, fast, and prize-laden: top finishers & lottery winners earn Honolulu Marathon entries.",
    clim:"Nov 8, Bando: morning ~8–11°C, high ~17–20°C. Kanto plain — cool, dry autumn."
  },
  {
    id:"sakai-kojo",
    name:"坂井市古城マラソン",
    nameEn:"Sakai Kojo Marathon",
    prefecture:"福井県",
    city:"坂井市",
    region:"chubu",
    date:"2026-11-08",
    weekday:"Sun",
    lat:36.0906,
    lng:136.2736,
    entryStart:"2026-07-24",
    entryEnd:"2026-09-11",
    capacity:null,
    fee:"¥3,000",
    limitTime:"2h30m",
    lottery:false,
    soldOut:false,
    official:"https://www.s-taikyo.jp/marathon.html",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=392723&div=1",
    note:"丸岡城の天守閣を眺めながら走る。高低差少なめ。ゲスト野口みずきさん・AYAさん。",
    profile:"Flat, beginner-friendly",
    terrain:"Maruoka Castle town, park roads",
    elevNote:"Low elevation difference; flat and gentle course around Maruoka Castle.",
    vibe:"Run past Maruoka Castle's keep; relaxed, family-friendly; guest Mizuki Noguchi and AYA.",
    clim:"Nov 8, Sakai (Fukui): morning ~9–12°C, high ~16–19°C. Sea-of-Japan side — cool, possibly breezy."
  },
  {
    id:"minato-city-half",
    name:"MINATOシティハーフマラソン",
    nameEn:"Minato City Half Marathon",
    prefecture:"東京都",
    city:"港区",
    region:"kanto",
    date:"2026-11-15",
    weekday:"Sun",
    lat:35.658,
    lng:139.7514,
    entryStart:"2026-07-01",
    entryEnd:"2026-07-13",
    capacity:5000,
    fee:"¥10,000",
    limitTime:"2h30m",
    lottery:true,
    soldOut:false,
    official:"https://minato-half.jp",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=392513&div=1",
    note:"日比谷通り発、東京タワー着の激坂フィニッシュ。箱根駅伝コース。抽選大会。登録は締切済。",
    profile:"Flat with a famous steep finish hill",
    terrain:"Central Tokyo: Hibiya-dori, Tokyo Tower finish",
    elevNote:"Flat through Minato-ku boulevards; notorious steep 'geki-zaka' ramp to Tokyo Tower at the finish.",
    vibe:"Box-circuit-style course past skyscrapers and shrines; big-time Feel with a brutal final climb; lottery.",
    clim:"Nov 15, Tokyo: morning ~8–11°C, high ~16–19°C. Cool, breezy — perfect race weather."
  },
  {
    id:"utsunomiya-marathon",
    name:"宇都宮マラソン大会",
    nameEn:"Utsunomiya Marathon",
    prefecture:"栃木県",
    city:"宇都宮市",
    region:"kanto",
    date:"2026-11-15",
    weekday:"Sun",
    lat:36.5658,
    lng:139.8842,
    entryStart:"2026-07-10",
    entryEnd:"2026-09-23",
    capacity:1200,
    fee:"¥4,600",
    limitTime:"関門あり",
    lottery:false,
    soldOut:false,
    official:"http://www.utsunomiya-marathon.com/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=394016&div=1",
    note:"第40回記念大会。グルメフードフェス・ゲストトークショー併催。餃子の街。",
    profile:"Mostly flat, city/festival course",
    terrain:"Kiyohara Central Park, industrial-area roads",
    elevNote:"Mostly flat with a checkpoint around 17 km; staggered wave starts by time.",
    vibe:"40th anniversary festival with food fair, guest talk shows — gyoza-town family event.",
    clim:"Nov 15, Utsunomiya: morning ~6–9°C, high ~15–18°C. Inland Tochigi — cold morning, cool day."
  },
  {
    id:"yokosuka-seaside",
    name:"よこすかシーサイドマラソン",
    nameEn:"Yokosuka Seaside Marathon",
    prefecture:"神奈川県",
    city:"横須賀市",
    region:"kanto",
    date:"2026-11-22",
    weekday:"Sun",
    lat:35.2866,
    lng:139.6675,
    entryStart:"2026-07-13",
    entryEnd:"2026-09-20",
    capacity:1600,
    fee:"¥7,500",
    limitTime:"150m",
    lottery:false,
    soldOut:false,
    official:"https://yokosuka-seaside.jp/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=392522&div=1",
    note:"海を見ながら走る平坦なシーサイドコース。ゲスト多数参戦予定。",
    profile:"Flat seaside course",
    terrain:"Coastal roads, sea views, Yokosuka waterfront",
    elevNote:"Flat coastal loop; seaview running; gentle and fast.",
    vibe:"Run along the sea with a flat profile; celebrity guests and festive finish.",
    clim:"Nov 22, Yokosuka: morning ~9–12°C, high ~16–19°C. Coastal — mild, possible breeze."
  },
  {
    id:"jubilo-iwata",
    name:"ジュビロ磐田メモリアルマラソン",
    nameEn:"Jubilo Iwata Memorial Marathon",
    prefecture:"静岡県",
    city:"磐田市",
    region:"chubu",
    date:"2026-11-22",
    weekday:"Sun",
    lat:34.7236,
    lng:137.8519,
    entryStart:"2026-07-01",
    entryEnd:"2026-09-14",
    capacity:null,
    fee:"¥6,000",
    limitTime:"3h",
    lottery:false,
    soldOut:false,
    official:"https://www.jubilo-marathon.com/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=392536&div=1",
    note:"ヤマハスタジアム発着。ジュビロ磐田ホームタウンを駆け抜ける。天候良ければ富士山が見える。",
    profile:"Mostly flat, city course",
    terrain:"Yamaha Stadium area, Iwata city streets",
    elevNote:"Flat city roads; possible Mt. Fuji view on clear days.",
    vibe:"Jubilo Iwata home-town run; 6-choice participation gift (T-shirt, towel, local goods, charity, etc.).",
    clim:"Nov 22, Iwata: morning ~8–11°C, high ~16–19°C. Enshu plain — mild, dry; bright days show Fuji."
  },
  {
    id:"iga-ninja",
    name:"忍者の里伊賀上野シティマラソン",
    nameEn:"Iga Ueno City Marathon",
    prefecture:"三重県",
    city:"伊賀市",
    region:"kansai",
    date:"2026-11-29",
    weekday:"Sun",
    lat:34.7686,
    lng:136.1289,
    entryStart:"2026-07-01",
    entryEnd:"2026-08-31",
    capacity:1000,
    fee:"¥5,000",
    limitTime:"2h20m",
    lottery:false,
    soldOut:false,
    official:"https://igauenocity-marathon.net/",
    runnet:"https://runnet.jp/entry/runtes/user/pc/competitionDetailAction.do?raceId=394015&div=1",
    note:"芭蕉・忍者・城下町の伊賀路。ゴール手前の名物「激坂」。忍者衣装無料レンタルプラン（ファミリー）。",
    profile:"Rolling with a brutal final climb",
    terrain:"Castle town, ninja-land streets",
    elevNote:"Mostly rolling; the famous 'geki-zaka' steep ramp just before the finish.",
    vibe:"Ninja-themed run through castle town; ninja costume rental and ninja-land tourism; finish with the激坂.",
    clim:"Nov 29, Iga: morning ~6–9°C, high ~14–17°C. Inland Mie — cold morning, cool day; late-November chill."
  },
];

if (typeof window !== "undefined") window.RACES = RACES;
if (typeof module !== "undefined") module.exports = RACES;