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Built on bad decisions in Boulder, CO.

North Fork Ultras

2 Race Events50 Mile, 50K

Aravaipa Running

Buffalo Creek, Colorado, United States

Course map for North Fork 50 Mile

North Fork 50 Mile

May 22, 2027

50 MileCrew

Course map for North Fork 50K

North Fork 50K

May 22, 2027

50KCrew