Thornton, CO
Race Details
RMRR September 5k/10k
RMRR September 5k/10k is an upcoming race scheduled for Sun, Sep 13 2026 in Thornton, CO (America/Denver timezone).
Register
- 2026-09-13
Race Date
- Open
Registration Status
- Thornton, CO
Location
Event Schedule
Here is the latest schedule of events:
| Name | Distance | Type | Price | Start Time |
|---|---|---|---|---|
| 10k | 10K | running_race | $15.00 | 9/13/2026 08:00 |
| 5k | 5K | running_race | $15.00 | 9/13/2026 08:15 |
RMRR September 5k/10k Race Details
The latest details from your Race Directors:
Rocky Mountain Road Runners holds a monthly Trophy Series in the Denver area. We provide a low-key, low-cost racing environment. Everyone is welcome to run with us!
The 10km race uses a handicap start system, slow-to-fast, spread over ~30 minutes. This gives everyone a chance to win. We'll use your estimated finish time to assign you a start time with others the same speed.
All 5k racers will start ~15min after the first 10km starters.
Race Day Details
Time: 10k starts at 8:00 am + your handicap.* 5k starts approximately 15min after the first 10k starter.Show up 30 minutes early to get your tag and warm up.Location: Riverdale Ballfields, 9830 Riverdale Road, Thornton, Colorado, 80229Course: Both distances are out-and-back on a mix of paved and smooth gravel. Parking: Plenty of parking at the park.
* The Trophy Series races use a unique, handicap start and scoring system. 10k racers start from slow to fast giving everyone a chance to win. When you register and pick up your number, we'll help you choose an appropriate start time that fits your estimated time.
Race Date
(America/Denver timezone)