Sierra Azul Trail Challenge
San Jose, CA
- 50K, Marathon, 20 Miler, Half Marathon, 7 Miler, 5K
- Trail (Unpaved)
- Official race website
Run in the shadow of the infamous Mt. Umunhum. Set in the Sierra Azul Open Space Preserve, this is a one of a kind running experience that provides unique access to gorgeous trails and scenery not viewed by many. This is one of the toughest trail races that we host. … MORE
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