2025 - Platte River Half-Marathon, Relay & 5k
2025 distances
Running
Half Marathon
Half Marathon Relay
2026 Half Marathon
2026 Half Marathon Relay
Race-day weather
Conditions on April 13, 2025 — historical Open-Meteo data.
The sun rises at 6:24 AM and sets at 7:36 PM local time (MDT) in Littleton on April 13, 2025 — 13h 11m 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 — Platte River Half-Marathon, Relay & 5k
536 finishers across 2 distances · leading places in the Half Marathon
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Matthew Ryan | 1:09:10 | 5:17 /mi |
| 2 | Alexander Townsend | 1:13:07 | 5:35 /mi |
| 3 | Cory Shea | 1:15:47 | 5:47 /mi |
| 4 | Ashton Grissom | 1:16:17 | 5:49 /mi |
| 5 | Garrett Ward | 1:18:46 | 6:01 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Littleton
Different organizers, within 40 miles, in the next three months
Running Scared 5K/13K - Denver
Kipling Villas 5K -
Your Story Isn't Over 5k/10k/Kids 1-Mile
Witch Paddle
🏃 Plan Your Next Race in Littleton
Find upcoming events by distance:
- Littleton 5K Races 25 races
- 10K Run Events in Littleton 7 races
- Littleton Half Marathons 6 races
- Littleton Running Calendar 2026 29 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, 34 Littleton events
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