Race Start End City State
Sloth Run 5K/10K/13.1 DENVER/AURORA Aug. 29, '26 Aug. 29, '26 Centennial CO REGISTER
Eltuck Valley 12K - Lory Summer Trail Series Aug. 25, '26 Aug. 25, '26 Bellvue CO REGISTER
Miles for Migraine Colorado Aug. 15, '26 Aug. 15, '26 Denver CO REGISTER
2026 STRS #5 - Carter Park Scurry Aug. 12, '26 Aug. 13, '26 Breckenridge CO  
Into the Hills Eltuck 5k Aug. 18, '26 Aug. 18, '26 Bellvue CO REGISTER
Unbridled Golf Classic Aug. 27, '26 Aug. 27, '26 Castle Rock CO REGISTER
Continental Divide Trail Run Aug. 29, '26 Aug. 29, '26 Steamboat Springs CO REGISTER
Byers Peak Stampede Half Marathon & 5K Run Aug. 22, '26 Aug. 22, '26 Fraser CO REGISTER
Dog Days Of Summer 2026 Aug. 8, '26 Aug. 8, '26 Longmont CO REGISTER
Aug 6 - Intermediate @ Cheyenne Mountain State Park Aug. 6, '26 Aug. 6, '26 Colorado Springs CO REGISTER
Candy Cane Course - Denver Dec. 6, '26 Dec. 6, '26 Westminster CO REGISTER
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA Dec. 26, '26 Dec. 26, '26 Centennial CO REGISTER
Mineral Springs Walking Tour Aug. 19, '26 Aug. 19, '26 Steamboat Springs CO  
Onesie Dash Dec. 5, '26 Dec. 5, '26 Red Feather Lakes CO REGISTER
Into the Hills Eltuck 10k Aug. 11, '26 Aug. 11, '26 Bellvue CO REGISTER
Mineral Springs Walking Tour Aug. 12, '26 Aug. 12, '26 Steamboat Springs CO  
2026 Moose March Dec. 5, '26 Dec. 6, '26 Breckenridge CO  
2026 CKF Leadville Trail 100 MTB Aug. 15, '26 Aug. 15, '26 Leadville CO REGISTER
Eldorado Run for the Cure Aug. 6, '26 Aug. 6, '26 Eldorado Springs CO REGISTER
Aug 20 - Advanced @ ABOS Aug. 20, '26 Aug. 20, '26 Colorado Springs CO REGISTER
All-Out Runapalooza Aug. 8, '26 Aug. 8, '26 Arvada CO REGISTER
Rebel Run 5k Aug. 23, '26 Aug. 23, '26 Denver CO REGISTER
RexRun For PAWSitivity 2026 Trail Run/Walk Aug. 29, '26 Aug. 29, '26 Aurora CO REGISTER
HRCA Wildcat Circuit Aug. 19, '26 Aug. 19, '26 Highlands Ranch CO REGISTER
RMRR December Trophy Series Dec. 6, '26 Dec. 6, '26 Denver CO REGISTER
Santa Catch 5k & 10k Dec. 12, '26 Dec. 12, '26 Windsor CO REGISTER
2026 True Impact Ministries 5K/10K Aug. 22, '26 Aug. 22, '26 Centennial CO REGISTER
All-Out Fa La La Dec. 5, '26 Dec. 5, '26 Westminster CO REGISTER
Mineral Springs Walking Tour Aug. 5, '26 Aug. 5, '26 Steamboat Springs CO  
Pioneer Prairie Dog Half, 10k & 5k Aug. 23, '26 Aug. 23, '26 Westminster CO REGISTER