Upcoming 10K races in and near Denver, Colorado. Use filters to quickly find races by month or race type.
More races: USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:typerace 09/21/2024 Move Forward 5K & 10K 10K, 5K Denver CO 09-september roadrace 10/06/2024 Hot Chocolate Run – Denver 10K, 15K, 5K Denver CO 10-october roadrace 10/13/2024 bRUNch Run 10K, 5K Denver CO 10-october roadrace 09/28/2024 Bear Chase Race – Half Marathon & 10K 100K, 10K, 13.1M, 50K, 50M Lakewood CO 09-september trail 01/11/2025 All-Out Polar Prowl Half Marathon 10K, 13.1M, 5K Arvada CO 01-january roadrace 02/22/2025 All-Out Mardi Crawl 5K, 10K and Half Marathon 10K, 13.1M, 5K Arvada CO 02-february trail 06/08/2024 All-Out Summer Breeze Half Marathon 10K, 13.1M, 5K Arvada CO 06-june roadrace 08/03/2024 All-Out Runapalooza Half Marathon 10K, 13.1M, 5K Arvada CO 08-august roadrace 10/05/2024 Not So Flatt Breast Cancer Awareness Run 10K, 5K Westminster CO 10-october roadrace 01/19/2025 Arctic Prairie Dog Half Marathon 10K, 13.1M, 5K Westminster CO 01-january roadrace 12/07/2024 All-Out Fa La La Half Marathon 10K, 13.1M, 5K Westminster CO 12-december roadrace 08/24/2024 Westminster Trail Race 10K, 13.1M, 5K Westminster CO 08-august trail 07/13/2024 All-Out Dog Days Half Marathon 10K, 13.1M, 5K Westminster CO 07-july roadrace 09/28/2024 Prairie Dog Half and 10K/5K 10K, 13.1M, 5K Westminster CO 09-september roadrace 09/14/2024 All-Out Fallfest Marathon 10K, 13.1M, 5K Westminster CO 09-september trail 09/28/2024 Wildcat Mountain Trail Races 10K, 10M Littleton CO 09-september trail 09/22/2024 Golden Gallop 10K, 5K Golden CO roadrace 10/27/2024 All-Out Kooky-Spooky Half Marathon 10K, 13.1M, 5K Golden CO 10-october roadrace 06/01/2024 Mountain Ridge Trail Race 10K, 13.1M, 21M, 5K Highlands Ranch CO 06-june trail 09/28/2024 Louisville Trail Race Half Marathon 10K, 13.1M, 5K Louisville CO 09-september trail 06/02/2024 Colorado 13er 10K, 13.1M, 5K Louisville CO 06-june roadrace 09/21/2024 So Long to Summer 5K and 10K 10K, 5K Parker CO 09-september trail 09/02/2024 Labor Day Half Marathon 10K, 13.1M, 5K Parker CO 09-september roadrace 08/03/2024 Boulder Rez Marathon 10K, 13.1M, 19.7M, 26.2M Boulder CO 08-august roadrace 09/29/2024 Boulderthon 10K, 13.1M, 26.2M, 5K Boulder CO 09-september roadrace 07/20/2024 Summer Splash Prairie Dog Half Marathon 10K, 13.1M, 5K Castle Rock CO 07-july roadrace 12/07/2024 Toy Drop 10K, 15K, 5K Loveland CO 12-december roadrace 09/21/2024 Superhero Event 10K, 1M, 5K Greeley CO 09-september roadrace 10/05/2024 Above the Clouds Ultra 10K, 50K Woodland Park CO 10-october trail 10/06/2024 Windsor Marathon 10K, 13.1M, 26.2M, 5K Windsor CO 10-october roadrace 12/14/2024 Santa Catch 5K & 10K 10K, 5K Windsor CO 12-december roadrace 09/21/2024 Snow Mountain Ranch Trail Festival 10K, 13.1M, 50K, 5K Granby CO 09-september trail 08/10/2024 Human Race Half Marathon 10K, 13.1M, 1M, 5K Fort Collins CO 08-august roadrace 08/10/2024 Run the Rockies Trail Race 10K, 13.1M Frisco CO 08-august trail 02/15/2025 Stories Ultra 10K, 13.1M, 15H, 30H, 6H Colorado Springs CO 02-february trail 11/30/2024 Colorado Cold Rush Ultra 10K, 13.1M, 50K Colorado Springs CO 11-november trail 08/17/2024 The Cheyenne Mountain Run 10K, 25K, 5K Colorado Springs CO 08-august trail 09/14/2024 Meadowgold Trail Run 10K, 5K Minturn CO 09-september trail 09/21/2024 Autumn Run Half Marathon, 10K and 5K 10K, 13.1M, 5K Buena Vista CO 09-september roadrace 09/01/2024 10K at 10,000 Feet Trail Run 10K, 5K Steamboat Springs CO 09-september trail 06/02/2024 Steamboat Marathon 10K, 13.1M, 26.2M Steamboat Springs CO 06-june roadrace 09/21/2024 Beulah Challenge 10K, 13.1M, 5K Beulah CO 09-september roadrace 08/02/2024 New Castle Dirty Dozen Race 10K New Castle CO 08-august trail 08/17/2024 Mt Sneffels Marathon 10K, 13.1M Ouray CO 08-august roadrace
