RMRR Spring Marathon Training Series

The RMRR Spring Marathon Training Series offers a supportive environment for runners of all abilities, featuring low-cost, officially timed races. The series includes a variety of distances, such as 10-mile and 20-mile events, designed to fit into training schedules for major spring marathons. Participants can expect well-marked courses, aid stations with refreshments, and awards for top finishers.

The races are open to everyone, including RMRR members and guests, fostering a community spirit. The series takes place at Platte River Trailhead Park in Thornton, Colorado, providing a scenic backdrop for training and competition. Visit the organization's website for the most recent information.