Race Start End City State
Continental Divide Trail Run Aug. 29, '26 Aug. 29, '26 Steamboat Springs CO REGISTER
Summer Splash Prairie Dog Half, 10k, & 5k Jul. 18, '26 Jul. 18, '26 Castle Rock CO REGISTER
Hometown Half Marathon & 5k/10k - Denver May. 10, '26 May. 10, '26 Denver CO REGISTER
July 4th Run 5K/10K/13.1 DENVER/AURORA Jul. 4, '26 Jul. 4, '26 Centennial CO REGISTER
10k at 10,000 Feet Sep. 6, '26 Sep. 6, '26 Steamboat Springs CO REGISTER
Blue Heron Half & 5K Apr. 26, '26 Apr. 26, '26 Brighton CO REGISTER
Autumn Run Sep. 19, '26 Sep. 19, '26 Buena Vista CO REGISTER
Super Mom 5K/10K/Half - Colorado Springs May. 10, '26 May. 10, '26 Colorado Springs CO REGISTER
Oktoberfest Run 5K/10K/13.1 DENVER/AURORA Sep. 26, '26 Sep. 26, '26 Centennial CO REGISTER
Run for Donuts 5K/10K/13.1 DENVER/AURORA Jul. 25, '26 Jul. 25, '26 Centennial CO REGISTER
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run Oct. 4, '26 Oct. 4, '26 Windsor CO REGISTER
TBK Bank Thirsty 13 Half Marathon Aug. 29, '26 Aug. 29, '26 Durango CO REGISTER
Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA May. 2, '26 May. 2, '26 Centennial CO REGISTER
SuperHeroes Run 5K/10K/13.1 DENVER/AURORA Jun. 6, '26 Jun. 6, '26 Centennial CO REGISTER
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA Oct. 10, '26 Oct. 10, '26 Centennial CO REGISTER
Popsicle 5K/10K/Half - Colorado Springs Aug. 1, '26 Aug. 1, '26 Colorado Springs CO REGISTER
Slacker Half Marathon-Relay-4-Mile Races Jun. 27, '26 Jun. 27, '26 Georgetown CO REGISTER
2.2 for 22q Walk/Run/Ride 2026 Jun. 6, '26 Jun. 14, '26 Anywhere CO REGISTER
Erin Go Bragh 7.77k Mar. 13, '27 Mar. 13, '27 Westminster CO REGISTER
Westy Half & 5k Oct. 11, '26 Oct. 11, '26 Westminster CO REGISTER
All-Out Dog Days Jul. 11, '26 Jul. 11, '26 Westminster CO REGISTER
Farish Mt Bike Race Aug. 15, '26 Aug. 15, '26 Woodland Park CO REGISTER
Colorado 13er (Half Marathon/10k/5k) Jun. 7, '26 Jun. 7, '26 Louisville CO REGISTER
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA Apr. 25, '26 Apr. 25, '26 Centennial CO REGISTER
Heatwave Half Marathon - Denver Jul. 11, '26 Jul. 11, '26 Denver CO REGISTER
Bagel Run 5K/10K/13.1 DENVER/AURORA Oct. 10, '26 Oct. 10, '26 Centennial CO REGISTER
Golden Harvest Half Marathon & 5k/10k - Colorado Springs Sep. 6, '26 Sep. 6, '26 Colorado Springs CO REGISTER
Sloth Run 5K/10K/13.1 DENVER/AURORA Aug. 29, '26 Aug. 29, '26 Centennial CO REGISTER
2026 Basalt Half Marathon & Relay Jun. 6, '26 Jun. 6, '26 Basalt CO  
All-Out Fa La La Dec. 5, '26 Dec. 5, '26 Westminster CO REGISTER