Milliken
Discover a wide array of running events and races across Colorado. From short 5Ks to challenging ultra-marathons, find events perfect for every runner. Explore a vibrant calendar featuring road races, trail runs, and walking events, all designed to celebrate the spirit of running in this scenic region.
1 upcoming event5K
Recent additions include Mad Dash 5K.
Track your training with HAID
Log every run, ride, and swim, and see how race day fits into your training.