RMRR Spring Marathon Training Series #1

  • Date Sun 30th March 2025
  • Time 8:00AM MDT
  • Location Thornton, Colorado
  • Price $22.20 - $54.00
  • Races 4 races
  • Distances 10 Mile, Ultra

Last chance to enter

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Event summary

Get ready to lace up your running shoes for the RMRR Spring Marathon Training Series #1, taking place on Sunday, March 30, 2025, in beautiful Thornton, Adams! This exciting event is designed for runners of all skill levels, offering low-cost, low-keyed, supported, and timed training races to help you prepare for major spring marathons like Boston, Colorado, and Colfax.

Participants can choose from two distance options: 10 miles or 20 miles, both starting at 8 AM from the Platte River Trailhead Park at 88th and Colorado. The out-and-back course allows you to focus on pacing, nutrition, and race preparation in a supportive environment. Whether you opt for a single race or bundle multiple events, you’ll enjoy a fantastic experience that sets the stage for your race day success. Please remember, for the safety of all participants, dogs and running strollers are not allowed on the course. Join us for a memorable day of running and camaraderie!

Organiser's Description

RMRR provides low-cost, low-keyed, supported, and timed training races for runners of all abilities. The races are planned to help you prepare for Boston, Colorado, Colfax, and other long spring races. We make it easy for you to work on your pace, your nutrition and drinking, and getting everything ready for your big race.

* 3/30 - 10mi & 20mi
* 4/13 - 10mi & 20mi

Sign up for one, or choose a two or three race bundle.

The races begin at 8am, at the Platte River Trailhead Park, at 88th and Colorado, in Thornton. The courses are out-n-back. so we can accomodate almost any distance between 10-20 miles.

Please note that for everyone's safety dogs or running strollers are not permitted on our courses. Thanks for understanding.

Races

  • 10 Mile

    Incl. $2.20 Fee

    Sun 30th March 2025 (8:00AM MDT)

    $22.20

    This signup is for the single 10M race on Sunday March 30th. Scroll down for the 2 race bundle.
  • 20mi

    Incl. $2.80 Fee

    Sun 30th March 2025 (8:00AM MDT)

    $32.80

    This signup is for the single 20 Mile race on Sunday March 30th. Scroll down for the 2 race bundle. If your training schedule tells you to run a shorter distance like 15 or 18 miles, that's fine - sign up for the 20 and just tell us how far you plan to run. Let us know on race day so we know how to time you!
  • Two-Race Bundle Short - 10mi

    Incl. $2.80 Fee

    Sun 30th March 2025 (8:00AM MDT)

    $32.80

    This is for two 10-mi races on 3/30 & 4/12
  • 2-Race Bundle Long - 20mi

    Incl. $4.00 Fee

    Sun 30th March 2025 (8:00AM MDT)

    $54.00

    This is for two 20-mi races on 3/30 & 4/12.

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Location

Platte River TrailHead Park, 88th and Colorado, Thornton, 80229, CO, United States

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