2025 - DoNot Stop Half Marathon/5K/10K - Denver
2025 distances
Running
5K DEN
10K DEN
Virtual Race
Enjoy the race wherever you would like! All packets will be shipped out the Wednesday following the race date.
Volunteer Then Run
Join us for a dynamic volunteering and racing experience! Arrive 30 minutes before packet pickup to lend a hand, ensuring a smooth start to the event. Afterward, hit the pavement and run any distance of your choice.
Kid's Dash
1 Mile
1 Mile registration is untimed and includes a custom bib, designer shirt, and an awesome finisher medal!
Half Marathon DEN
Race-day weather
Conditions on May 10, 2025 — historical Open-Meteo data.
The sun rises at 5:49 AM and sets at 8:03 PM local time (MDT) in Denver on May 10, 2025 — 14h 13m 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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2025 results — DoNot Stop Half Marathon/5K/10K - Denver
376 finishers across 4 distances · leading places in the 5K DEN
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Nicholas Larson | 21:19 | 6:53 /mi |
| 2 | Olivia Ingman | 22:41 | 7:19 /mi |
| 3 | Matthew Rowles | 22:48 | 7:21 /mi |
| 4 | Jorion Marshall | 23:17 | 7:31 /mi |
| 5 | Amanda Madsen | 24:00 | 7:45 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Denver
Different organizers, within 40 miles, in the next three months
Beti Bike Bash
DU Crimson Classic 5K Run/1.5 Mile Walk
Race to Cure Sarcoma Denver
Ghosts and Goblins 5K/10K
🏃 Plan Your Next Race in Denver
Find upcoming events by distance:
- Denver 5K Races 68 races
- 10K Run Events in Denver 13 races
- Denver Half Marathons 8 races
- Marathons in Denver 3 races
- Denver Running Calendar 2026 85 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, 86 Denver events
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