Thornton, CO
Race Details
RMRR Fall Marathon Training Series
RMRR Fall Marathon Training Series is an upcoming race scheduled for Sun, Aug 23 2026 in Thornton, CO (America/Denver timezone).
Register
- 2026-08-23
Race Date
- Closed
Registration Status
- Thornton, CO
Location
Event Schedule
Here is the latest schedule of events:
| Name | Distance | Type | Price | Start Time |
|---|---|---|---|---|
| RMRR Fall Marathon Training – 3 race bundle Short (10m, 20k, 10m) | 10 Miles | running_race | $65.00 | 8/23/2026 07:00 |
| RMRR Fall Marathon Training – 3 race bundle Long ( 20m, 30k, 20m) | 20 Miles | running_race | $90.00 | 8/23/2026 07:00 |
| RMRR Fall Marathon Training Series #1 – 10 Mile | 10 Miles | running_race | $25.00 | 8/23/2026 07:00 |
| RMRR Fall 2023 Marathon Training Series #1 – 20 Mile | 20 Miles | running_race | $35.00 | 8/23/2026 07:00 |
RMRR Fall Marathon Training Series Race Details
The latest details from your Race Directors:
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: RMRR members, guests, training team members, everyone! The courses are well marked, with mile markers will help you gauge your time. We’ll time your run, and winners of each distance will receive ribbons. We make it easy for you to work on your pace, your nutrition and drinking, 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 Riverdale Ballfields at 9830 Riverdale Road in Thornton Colorado.#1: Aug 24 – 10mi & 20mi#2: Sep 7 – 20k & 30k#3: Sep 21 – 10mi & 20miYou 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.
Race Date
(America/Denver timezone)