modbender Race Finder Skill
Search for upcoming races across the US and internationally. Data sourced from RunSignUp, the largest endurance event registration platform.
API
Base URL: https://api.racefinder.net
Search Races
GET /api/v1/races
All parameters are optional. Returns upcoming races sorted by date.
Query Parameters
| Parameter | Type | Description | Example |
|---|---|---|---|
q |
string | Search by race name | q=Austin Marathon |
city |
string | City name | city=Austin |
state |
string | US state code | state=TX |
country |
string | Two-letter country code (default: US) | country=CA |
sport |
string | Sport type (see below) | sport=running |
distance |
string | Distance category (see below) | distance=marathon |
start_date |
string | Races on or after this date (YYYY-MM-DD, default: today) | start_date=2026-06-01 |
end_date |
string | Races on or before this date (YYYY-MM-DD) | end_date=2026-12-31 |
zipcode |
string | US zipcode (requires radius) |
zipcode=78701 |
radius |
string | Miles from zipcode | radius=25 |
page |
int | Page number (default: 1) | page=2 |
per_page |
int | Results per page (default: 20, max: 50) | per_page=10 |
Sport Values
| Value | Description |
|---|---|
running |
Road running races |
trail |
Trail running & ultras |
triathlon |
Triathlons & duathlons |
cycling |
Bike races & rides |
swimming |
Swimming & open water |
obstacle |
Obstacle courses & mud runs |
Distance Values
| Value | Range |
|---|---|
5k |
~2–4 miles |
10k |
~5–8 miles |
half-marathon |
~12–15 miles |
marathon |
~25–28 miles |
ultra |
30+ miles |
Response Format
{
"races": [
{
"id": "12345",
"name": "Austin Marathon",
"date": "2026-03-15",
"start_time": "7:00 AM",
"sport": "running",
"city": "Austin",
"region": "Texas",
"country": "US",
"distances": [
{"name": "Marathon", "miles": 26.2, "km": 42.2, "category": "marathon"},
{"name": "Half Marathon", "miles": 13.1, "km": 21.1, "category": "half-marathon"}
],
"prices": [
{"name": "Marathon — $120", "price": 120, "currency": "USD", "available": true}
],
"image_url": "https://...",
"details_url": "https://racefinder.net/race/12345",
"register_url": "https://runsignup.com/Race/12345?rsu_aff=..."
}
],
"page": 1,
"total_results": 20
}
No authentication required.
Examples
Find races in a city
curl "https://api.racefinder.net/api/v1/races?city=Austin&state=TX"
Find marathons near a zipcode
curl "https://api.racefinder.net/api/v1/races?zipcode=78701&radius=50&distance=marathon"
Find trail races in Colorado this summer
curl "https://api.racefinder.net/api/v1/races?state=CO&sport=trail&start_date=2026-06-01&end_date=2026-08-31"
Search by race name
curl "https://api.racefinder.net/api/v1/races?q=Ironman"
Find 5Ks in California
curl "https://api.racefinder.net/api/v1/races?state=CA&sport=running&distance=5k"
Tips for Agents
- Use
details_urlwhen users want to learn more about a race — it links to the full race page on racefinder.net - Use
register_urlwhen users are ready to sign up — it links directly to registration - Default search returns races starting from today, sorted by date
- Combine
zipcode+radiusfor location-based search (US only) - Combine
sport+distanceto narrow results (e.g.,sport=running&distance=half-marathon) - The
total_resultsfield shows how many results were returned on this page; usepageto paginate