Old Man Winter Bike Rally and Run
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Bundle up and get ready for an Epic Winter Adventure! Riders - choose from a 50K course with rolling mixed terrain OR a more adventurous 100K journey through Boulder County's best gravel and canyons. Runners can choose a 5K or 10K course, both with great scenery and a mix of gravel paths and roads. There's also a Run/Bike Combo category!
Celebrate your victory with a huge after-party with live music, hot chili, fun bonfires, tasty s'mores, and cold beer! The event also offers a month of free group training rides and runs supported by an effective training plan. Rally your buddies for the annual Old Man Winter Rally!
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