The 8th annual Old Man Winter Bike Rally & Run is an iconic celebration of Colorado's best mixed-terrain running and riding where you can take on the snowy foothills of Boulder County.
For 2022, we are exciting bring everybody back together for a HUGE in-person race and festival. We have some fun new features that you're going to love on course and leading up to race day.
Riders - With two bike course options: The 50km route tours some of the scenic, rolling terrain that has made Boulder County, CO one of the country’s most popular gravel riding destinations. The 100km ride starts with the same country riding as the 50km course before sending cyclists on a roller coaster route of climbs and descents through the snow-filled canyons west of Boulder.
Runners - We offer a one-of-a-kind 10km running race with trails, snow, a excellent scenery.
Multi-Sport - We offer a Run/Bike combo that is popular for multi-sport athletes which involves running the 10K run and riding the 50K bike course.
All participants are supported with well-stocked aid stations, a hot meal, cold beer, and great winter swag!