All-Out Polar Prowl
Updated
Saturday, January 9, 2027, first start 9:00 AM, in Arvada (11200 W 58th Ave). Distances: 5K, 10K, Half marathon. Entry from $50 to $80; the Half marathon goes from $80 to $85 after December 27.
- Date
- Saturday, January 9, 2027
- Start time
- 9:00 AM (earliest wave)
- Location
- 11200 W 58th Ave, Arvada, CO 80002
- Area
- Denver Suburbs, Denver & Boulder
- Distances
- 5K10KHalf marathon
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $50 to $80 plus the platform's processing fee
- Next price increase
- Sunday, December 27, 2026: Half marathon $80 → $85
- Registration
- Open. Opened January 9, online signup closes Saturday, January 9, 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 December 27 to pay $80 instead of $85.
Course and race notes
Join us for the 14th annual Polar Prowl at the Stenger Sports Complex in Arvada, CO! As the first Denver-area half marathon of the year, this event features 5K, 10K, and half marathon courses that meander along the Van Bibber Creek Trail, offering breathtaking views of Arvada's open spaces and Table Mountain.
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.