Event Description 50k Duo 2 person team (runners run together)50k Relay up to 5 person team (runners run 1 loop each)50k Solo30k Solo 10k Event Location & Accomodations Trending Events Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA Lost Trail Bike Fest & Shuttle Extravaganza Run for Mental Health 5K/10K/13.1 SAN ANTONIO