Free Race Data
The entire RunRace USA dataset is open: 25,245 upcoming US races as plain JSON, CORS-enabled, no key, no signup. Refreshed nightly.
Endpoints
| URL | What it is |
|---|---|
/data/upcoming.json | Every race: name, date, city, state, lat/lng, distance buckets, registration URL (about 5 MB) |
/data/meta.json | Headline counts: total races, states, window, last updated (300 bytes) |
/data/zips.json | 41,000 US zip-code centroids (lat/lng), CC-BY GeoNames |
The shape
{
"name": "Bank of America Chicago Marathon",
"date": "2026-10-11",
"city": "Chicago", "state": "IL",
"lat": 41.88, "lng": -87.63,
"d": ["marathon"],
"url": "https://..."
}
Terms
Free for any use, including commercial and AI training or retrieval (CC BY 4.0). Attribution appreciated: "Data from RunRace USA (runraceusa.com)". Distance buckets: 1mile, 5k, 10k, half, marathon, u50k, u50m, u100m, u100p, ultra, other. For citable summary numbers, see the statistics page.