Colorado · 10 Miles · 20 Miles
RMRR Fall Marathon Training Series
RMRR Fall Marathon Training Series is a 10 Miles and 20 Miles event held in Thornton, Colorado. It was last held on August 30, 2026 and is usually run in August; the next date hasn't been announced yet.
- Usually held
- August
- Location
- Thornton, CO
Race details
- Last held
- August 30, 2026
- Usually held in
- August
- Location
- Thornton, Colorado
- Distances
- 10 Miles, 20 Miles
- Registration
- runsignup.com
- Official website
- rmrr.org
About the RMRR Fall Marathon Training Series
RMRR provides full and half marathon training opportunities for runners of all abilities. RMRR’s Marathon Training Series provides 10mi/20km and 20mi/30km races that are low cost, friendly, supported, and officially timed. All you need to do is focus on your running! The MTS fits well into training schedules for Colorado Springs, Boulderthon, Long View, Berlin, Chicago, Monumental (Indy), New York, and other fall full and half marathons. Everyone is welcome to Marathon Training Series races: RM…
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RMRR Fall Marathon Training Series: common questions
- When is the RMRR Fall Marathon Training Series?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the RMRR Fall Marathon Training Series held?
- In Thornton, Colorado.
- What distances does the RMRR Fall Marathon Training Series offer?
- 10 Miles and 20 Miles.
- How do I register for the RMRR Fall Marathon Training Series?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.