RMRR Fall Marathon Training Series #2

  • Date Sun 13th September 2026
  • Time 7:00AM MDT
  • Location Thornton, Colorado
  • Price $27.50 - $38.10
  • Races 2 races

Event summary

Join us for the RMRR Fall Marathon Training Series #2 on Sunday, September 13, 2026, at the picturesque Platte River Trailhead Park in Thornton, Colorado. This exciting event features friendly and supportive training opportunities for runners of all abilities, offering two race distances: the 20-kilometer and the 30-kilometer. Whether you're a seasoned runner or just starting your marathon journey, our low-cost, officially timed races are designed to help you focus on your training while enjoying a vibrant community atmosphere.

The Marathon Training Series fits perfectly into your fall marathon preparation, aligning seamlessly with upcoming events in Colorado Springs, Boulderthon, Chicago, and New York. With well-marked courses, mile markers, and aid stations, participants can easily work on their pace, nutrition, and hydration strategies in preparation for their big race. Runners are encouraged to join the fun, with ribbons awarded to winners in each distance category. Please remember, for everyone's safety, dogs and running strollers are not allowed on the course. Lace up your shoes, bring your enthusiasm, and get ready to hit the trails with us!

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 50% discount. Discount taken when you check out. Your membership must be current.

Races

  • RMRR Fall Marathon Training Series #2 - 20km

    Incl. $2.50 Fee

    Sun 13th September 2026 (7:00AM MDT)

    $27.50

    CLOSED
  • RMRR Fall Marathon Training Series #2 - 30km

    Incl. $3.10 Fee

    Sun 13th September 2026 (7:00AM MDT)

    $38.10

    CLOSED

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Location

88th and Colorado, Thornton, 80229, CO, United States

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