{
  "meta": {
    "name": "RunDida Marathon API",
    "version": "1.1",
    "generated": "2026-11-05",
    "website": "https://rundida.com"
  },
  "marathon": {
    "id": "kasumigaura2027",
    "slug": "kasumigaura",
    "tier": 3,
    "name": {
      "en": "2027 Kasumigaura Marathon - Apr 18",
      "ja": "2027 かすみがうらマラソン - 4月18日",
      "zh": "2027卡斯米加浦马拉松 - 4月18日"
    },
    "date": "2027-04-18T09:45:00+09:00",
    "timezone": "Asia/Tokyo",
    "city": "Tsuchiura",
    "country": "JP",
    "theme": "lakeside-flat",
    "defaultPersonality": "gentle",
    "featured": false,
    "status": "upcoming",
    "weather": {
      "avgTempC": 13.5,
      "avgTempF": 56,
      "humidity": 75,
      "windKmh": 22.6,
      "precipPct": 42,
      "conditions": "Mild mid-April spring weather in the Kanto plain, typically 11-19C by the late-morning start, often dry but with a breeze off Lake Kasumigaura."
    },
    "course": {
      "type": "Loop road marathon around a lake",
      "elevationGain": 40,
      "profile": "A famously flat course that loops around Lake Kasumigaura. The first half crosses an elevated plateau with the only real climb (a gentle rise of about 20 m starting near the 2 km mark), then the second half runs alongside the lake on flat ground.",
      "terrain": "Road"
    },
    "links": {
      "page": "https://rundida.com/marathon/kasumigaura/",
      "countdown": "https://rundida.com/tools/marathon-countdown/#marathon=kasumigaura2027",
      "api": "https://rundida.com/api/marathons/kasumigaura.json",
      "allMarathons": "https://rundida.com/api/marathons.json"
    },
    "schema": {
      "@context": "https://schema.org",
      "@type": "SportsEvent",
      "name": "2027 Kasumigaura Marathon - Apr 18",
      "startDate": "2027-04-18T09:45:00+09:00",
      "eventStatus": "https://schema.org/EventScheduled",
      "sport": "Marathon Running",
      "location": {
        "@type": "Place",
        "name": "Tsuchiura",
        "address": {
          "@type": "PostalAddress",
          "addressLocality": "Tsuchiura",
          "addressCountry": "JP"
        }
      },
      "endDate": "2027-04-18T06:45:00.000Z",
      "organizer": {
        "@type": "Organization",
        "name": "Kasumigaura Marathon Organizing Committee (かすみがうらマラソン実行委員会)",
        "url": "https://www.kasumigaura-marathon.jp/"
      },
      "offers": {
        "@type": "Offer",
        "url": "https://www.kasumigaura-marathon.jp/entry/",
        "priceCurrency": "JPY",
        "price": "12000",
        "availability": "https://schema.org/PreOrder",
        "validFrom": "2026-11-23"
      }
    }
  }
}