Unicorn 5k (North)
Updated
Saturday, June 19, 2027, first start 8:00 AM, in Thornton (E 108th Ave & Colorado Blvd). Distances: 1K, 5K. Entry from $18 to $41; the 5K goes from $41 to $46 after November 1.
- Date
- Saturday, June 19, 2027
- Start time
- 8:00 AM (earliest wave)
- Location
- E 108th Ave & Colorado Blvd, Thornton, CO 80233
- Area
- Denver, Denver & Boulder
- Distances
- 1K5K
- Course
- Road or path
- Price
- $18 to $41 plus the platform's processing fee
- Next price increase
- Sunday, November 1, 2026: 5K $41 → $46
- Registration
- Open. Opened July 1, online signup closes Saturday, June 19, 2027
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by November 1 to pay $41 instead of $46.
Course and race notes
Ready to get off the sofa and gallop around Thornton with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k in Thornton to kick off your summer! You'll earn a sweet tee shirt and a flashy unicorn finisher medal!
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.