12 Hours of Pain & Purpose Mountain Bike Challenge

The team-centric event, sponsored by the Excel Beyond triathlon-coaching organization, features 720 minutes of nonstop thrills in the Tempe waterfront area and on nearby Papago Park's fast, steep single tracks and trails. It starts at the Tempe Marina boat ramp on the north side of Town Lake. Proceeds benefit the Sydney Hudson Foundation.
Sat., Jan. 24, 7 a.m.-7 p.m., 2009
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