2025 - Union Founder's Day 10K | 5K
2025 distances
Running
10K
5K
Race-day weather
Conditions on May 10, 2025 — historical Open-Meteo data.
The sun rises at 5:56 AM and sets at 8:04 PM local time (CDT) in Union on May 10, 2025 — 14h 07m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Union
Different organizers, within 40 miles, in the next three months
The EQUALIZER 50K and 100K Gravel Race
The Equalizer Run and Recover-Fest!
Dashing through Defiance - 1 mile | 5k | 10k
Wild in the Woods - 5 & 10 mile Trail Race
🏃 Plan Your Next Race in Union
Find upcoming events by distance:
- Union 5K Races 2 races
- 10K Run Events in Union 2 races
- Union Running Calendar 2026 2 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Union events
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