All-Out Dog Days
Saturday, July 10, 2027, first start 7:00 AM, in Westminster (10170 Church Ranch Way). Distances: 5K, 10K, Half marathon. Entry from $35 to $65; the Half marathon goes from $65 to $70 after January 11.
- Date
- Saturday, July 10, 2027
- Start time
- 7:00 AM (earliest wave)
- Location
- 10170 Church Ranch Way, Westminster, CO 80021
- Area
- Denver Suburbs, Denver & Boulder
- Distances
- 5K10KHalf marathon
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $35 to $65 plus the platform's processing fee
- Next price increase
- Monday, January 11, 2027: Half marathon $65 → $70
- Registration
- Open. Opened July 5, online signup closes Saturday, July 10, 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 January 11 to pay $65 instead of $70.
Course and race notes
Get ready for a fantastic mid-season challenge and a sun-soaked adventure at our 15th Annual Dog Days 5K, 10K, and half marathon, proudly benefiting Lifeline Puppy Rescue!
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.