RMRR September Trophy Series
- Date Sun 13th September 2026
- Time 8:00AM MDT
- Location Thornton, Colorado
- Price $11.60
- Races 2 races
- Distances 10km, 5km
Event summary
Get ready for an exciting day of running at the RMRR September Trophy Series on Sunday, September 13, 2026, hosted in the vibrant city of Denver, Adams. This monthly event by the Rocky Mountain Road Runners promises a friendly, low-cost racing experience for everyone, no matter your skill level. Participants can choose between two thrilling race distances: a 10km and a 5k. The 10km race begins at 8:00 am with a unique handicap start system, allowing runners to compete based on their estimated finish times, creating an engaging and competitive atmosphere. The 5k follows approximately 15 minutes later, ensuring all runners have a chance to shine.
Both courses feature an out-and-back route that combines paved paths and smooth gravel, making for an enjoyable experience in the beautiful Riverdale Ballfields. Be sure to arrive 30 minutes early to pick up your race tag, warm up, and prepare for an unforgettable day of camaraderie and competition. With ample parking available at the venue, it’s the perfect opportunity to challenge yourself and connect with fellow running enthusiasts. Don’t miss out on this fantastic opportunity to run, cheer, and celebrate the spirit of community!
Both courses feature an out-and-back route that combines paved paths and smooth gravel, making for an enjoyable experience in the beautiful Riverdale Ballfields. Be sure to arrive 30 minutes early to pick up your race tag, warm up, and prepare for an unforgettable day of camaraderie and competition. With ample parking available at the venue, it’s the perfect opportunity to challenge yourself and connect with fellow running enthusiasts. Don’t miss out on this fantastic opportunity to run, cheer, and celebrate the spirit of community!
Organiser's Description
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, 80229
COURSE: 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.
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, 80229
COURSE: 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.
Races
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9830 Riverdale Road, Thornton, 80229, CO, United States
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RMRR September Trophy Series
