Track your rides and runs via your iPhone, Android or GPS device, analyze your performance, and compare with friends.
Mark Marzen is a runner from Denver, CO. Join Strava to track your activities, analyze your performance, and follow friends. Strava members can plan routes, participate in motivating challenges, and join clubs. Get started by signing up for free.
|Total Time||939h 0m|
|Total Elev Gain||744,823ft|