Events Test Race Parker, CO Westy Winter Waggle 5&10k Westminster, CO I Ain't Scared (of 5k) Thornton, CO Event Series Ironman Triathlon Rock 'n' Roll Marathon Spartan Race Hot Chocolate Run Ragnar Relay
October 2026 PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Oct 31, 2026 Running > 5k, 10k, Half Marathon, 1 mile I Ain't Scared (of 5k) Thornton, CO Sat - Oct 31, 2026 Running > 5k 2026 Eerie Erie Erie, CO Sat - Oct 31, 2026 Running > 10k, 5k November 2026 Run for Mental Health 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Nov 14, 2026 Running > 10k Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Nov 28, 2026 Running > 5k Add your event to the calendar Trending Events Test Race Westy Winter Waggle 5&10k I Ain't Scared (of 5k)
PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Oct 31, 2026 Running > 5k, 10k, Half Marathon, 1 mile
