Everyone – slow, fast, or in-between –  can win  at RMRR Trophy Series races.  With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great goal to shoot for whatever your speed.  Just show up an hour before the start and we’ll get you ready for your race.  It’s an […]

Dust off your well-loved t-shirts and show 'em off at the Rockin' on the River 5K! Pre and post-race music and entertainment for all. Take in the view along the beautiful South Platte River on the Mary Carter Greenway in Littleton.

Join us for The Avery Spring 5k @ Avery Brewing on April 6, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Boulder. Run, walk, jog - whatever goes! Complete the course and celebrate with us and a FREE, local craft brew at the finish line. Start windows […]

These Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored. There are both 10 mile and 20-mile distances for people who are training for either a half marathon or a full marathon. Come and join us for a fun, competitive training […]

The 2024 Polar Plunge season is fast approaching, so get ready to jump in, make a splash and choose your chill for Special Olympics Colorado! Don't miss the Westerra Credit Union Windsor Polar Plunge presented by Murdoch's Ranch & Home Supply on Saturday, April 13 at Windsor Reservoir! Event Schedule: 8:00 a.m.- Registration and Plunge […]

This race will head west from Prospect Park on the Clear Creek trail on the north side of Clear Creek. There will be a turnaround and part way back there is a bridge crossing where runners will run on a dirt path on the south side of the creek. There will be another bridge crossing […]

Join us for the Zuni Street Brewing 5k on April 12, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Denver. Run, walk, jog - whatever goes! Complete the course and celebrate with us and a FREE, local craft brew at the finish line. Start windows will be […]