RMRR Fall Marathon Training Series #3
- Date Sun 27th September 2026
- Time 7:00AM MDT
- Location Thornton, Colorado
- Price $22.20 - $32.80
- Races 2 races
- Distances 10 Mile
Event summary
Get ready to lace up your running shoes for the RMRR Fall Marathon Training Series #3 taking place on Sunday, September 27, 2026, at the beautiful Platte River Trailhead Park, located at 88th & Colorado in Thornton, CO. This exciting event offers a fantastic opportunity for runners of all abilities to prepare for their fall races with well-organized and officially timed races. Participants can choose between two distances: a 10-mile and a 20-mile race, both designed to fit seamlessly into training schedules for upcoming marathons in Colorado Springs, Chicago, New York, and beyond.
The Marathon Training Series is not just about the miles; it's a supportive community where everyone is welcome—whether you're an RMRR member, a guest, or part of a training team. With well-marked courses, plenty of aid stations, and mile markers to keep you on track, you can focus solely on your performance. Plus, the friendly atmosphere means you'll have a great time while you work on your pace, nutrition, and hydration strategies. Remember, the races kick off at 7 am, so arrive early and enjoy the camaraderie of fellow runners as you gear up for an unforgettable day!
The Marathon Training Series is not just about the miles; it's a supportive community where everyone is welcome—whether you're an RMRR member, a guest, or part of a training team. With well-marked courses, plenty of aid stations, and mile markers to keep you on track, you can focus solely on your performance. Plus, the friendly atmosphere means you'll have a great time while you work on your pace, nutrition, and hydration strategies. Remember, the races kick off at 7 am, so arrive early and enjoy the camaraderie of fellow runners as you gear up for an unforgettable day!
Organiser's Description
RMRR provides full and half marathon training opportunities for runners of all abilities.
RMRRs 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, Chicago, Monumental (Indy), New York, and other fall full and half marathons.
Everyone is welcome to Marathon Training Series races: RMRR members, guests, training team members, everyone! The courses are well marked, with mile markers and aid stations. Well time your run, and winners of each distance will receive ribbons. We make it easy for you to work on your pace, nutrition, and hydration, and getting everything ready for your big race.
Please note that for everyone's safety dogs or running strollers are not permitted on our courses. Thanks for understanding.
The races begin at 7 am at Platte River Trailhead Park, 88th & Colorado, Thornton, CO.
#1: Aug 30 - 10mi & 20mi
#2: Sep 13 - 20k & 30k
#3: Sep 27 - 10mi & 20mi
You are welcome to run 15mi, 25k, or another distance. Just let us know at the start.
RMRR Members receive a 25% discount. Discount taken when you check out. Your membership must be current.
RMRRs 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, Chicago, Monumental (Indy), New York, and other fall full and half marathons.
Everyone is welcome to Marathon Training Series races: RMRR members, guests, training team members, everyone! The courses are well marked, with mile markers and aid stations. Well time your run, and winners of each distance will receive ribbons. We make it easy for you to work on your pace, nutrition, and hydration, and getting everything ready for your big race.
Please note that for everyone's safety dogs or running strollers are not permitted on our courses. Thanks for understanding.
The races begin at 7 am at Platte River Trailhead Park, 88th & Colorado, Thornton, CO.
#1: Aug 30 - 10mi & 20mi
#2: Sep 13 - 20k & 30k
#3: Sep 27 - 10mi & 20mi
You are welcome to run 15mi, 25k, or another distance. Just let us know at the start.
RMRR Members receive a 25% discount. Discount taken when you check out. Your membership must be current.
Races
-
RMRR Fall Marathon Training Series #3 - 10 Mile
Incl. $2.20 Fee
Sun 27th September 2026 (7:00AM MDT)
$22.20
CLOSEDOut-n-back once. -
RMRR Fall Marathon Training Series #3 - 20 Mile
Incl. $2.80 Fee
Sun 27th September 2026 (7:00AM MDT)
$32.80
CLOSEDOut-n-back twice.
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88th and Colorado, Thornton, 80229, CO, United States
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RMRR Fall Marathon Training Series #3
