2026 - Ralston Creek Half Marathon & 5k
2026 distances
Running
Half Marathon
5k Run
5k Youth Entry
5K-5K-5K Winter Run Series
Series entry gets you into all three Winter Series events: December 14 - Superior Stocking Run 5k January 26 - Yeti Chase 5k February 16 - Ralston Creek 5k
5k-10k-Half Winter Run Series
Series entry gets you into all three Winter Series events: December 14 - Superior Stocking Run 5k January 26 - Yeti Chase 10k February 16 - Ralston Creek Half Marathon
Race-day weather
Conditions on February 15, 2026 — historical Open-Meteo data.
The sun rises at 6:52 AM and sets at 5:36 PM local time (MST) in Arvada on February 15, 2026 — 10h 44m 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 Arvada
Different organizers, within 40 miles, in the next three months
Apex Foundation Trick or Trot 5K & Halloween Hunt
Wwe Run With The Wolves
Lisa Nelson’s Mustang Stampede 5K
Strides for Sierra 5K run/walk
🏃 Plan Your Next Race in Arvada
Find upcoming events by distance:
- Arvada 5K Races 19 races
- 10K Run Events in Arvada 6 races
- Arvada Half Marathons 6 races
- Arvada Running Calendar 2026 23 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, 23 Arvada events
Spotted something wrong? Tell us and we'll fix it.