RMRR Trophy Series

The RMRR September Trophy Series, organized by the Rocky Mountain Road Runners, is a monthly running event held in Thornton, Colorado. This series features both 10k and 5k races, designed to create a welcoming and low-cost racing environment for participants of all skill levels. The 10k race employs a unique handicap start system, allowing runners to begin at staggered times based on their estimated finish times, promoting fair competition.

The event takes place at Riverdale Ballfields, with a mix of paved and gravel courses. Everyone is encouraged to join and enjoy the camaraderie of the running community. Visit the organization's website for the most recent information.