Events Bound for Boston Marathon & Half Marathon - Denver Denver, CO Let Freedom Run 5k/10k - Louisville Louisville, CO Pioneer Prairie Dog Half Marathon, 10k & 5k Westminster, CO Event Series Ironman Triathlon Rock 'n' Roll Marathon Spartan Race Hot Chocolate Run Ragnar Relay
Bound for Boston Marathon & Half Marathon - Denver Denver, CO Let Freedom Run 5k/10k - Louisville Louisville, CO Pioneer Prairie Dog Half Marathon, 10k & 5k Westminster, CO
December 2025 Santa Catch 5k and 10k - Running Race - Windsor, CO (December 13, 2025) Windsor, CO Sat - Dec 13, 2025 @ 8:00 AM Running > 10k, 5k Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Dec 13, 2025 Running > 1 mile, Half Marathon, 10k, 5k A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Dec 27, 2025 Running > 1 mile, Half Marathon, 10k, 5k Resolution Run 5K Fort Collins, CO Wed - Dec 31, 2025 @ 6:00 PM Running > 5k TEST RACE Boulder, CO Wed - Dec 31, 2025 Running > 5 mile 2025 Gift Cards Windsor, CO Wed - Dec 31, 2025 Running January 2026 New Year New Me Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Jan 03, 2026 Running > 5k, 10k, Half Marathon, 1 mile MLK Freedom Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Jan 17, 2026 Running > 5k, 10k, Half Marathon, 1 mile February 2026 Lunar New Year Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Feb 07, 2026 Running > 5k, 1 mile, Half Marathon, 10k Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Feb 14, 2026 Running > 5k, 10k, Half Marathon, 1 mile March 2026 St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Mar 14, 2026 Running > 5k, 10k, Half Marathon, 1 mile April 2026 Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Apr 04, 2026 Running > 5k, 10k, Half Marathon, 1 mile Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Apr 25, 2026 Running > 10k « ‹ 1 2 3 Add your event to the calendar Trending Events Bound for Boston Marathon & Half Marathon - Denver Let Freedom Run 5k/10k - Louisville Pioneer Prairie Dog Half Marathon, 10k & 5k
Santa Catch 5k and 10k - Running Race - Windsor, CO (December 13, 2025) Windsor, CO Sat - Dec 13, 2025 @ 8:00 AM Running > 10k, 5k
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Dec 13, 2025 Running > 1 mile, Half Marathon, 10k, 5k
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Dec 27, 2025 Running > 1 mile, Half Marathon, 10k, 5k
New Year New Me Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Jan 03, 2026 Running > 5k, 10k, Half Marathon, 1 mile
MLK Freedom Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Jan 17, 2026 Running > 5k, 10k, Half Marathon, 1 mile
Lunar New Year Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Feb 07, 2026 Running > 5k, 1 mile, Half Marathon, 10k
Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Feb 14, 2026 Running > 5k, 10k, Half Marathon, 1 mile
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Mar 14, 2026 Running > 5k, 10k, Half Marathon, 1 mile
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Apr 04, 2026 Running > 5k, 10k, Half Marathon, 1 mile