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SEMBA Sierra Eastside Mountain Bike Association, is working in conjunction with Mammoth Mountain to hold the new Thursday night Cross Country VC Races.

SEMBA is working in partnership with the Town of Mammoth Lakes Trail Coordinator Joel Rathje, to maintain old and new trails in addition to Mammoth Mountains network.

Sponsor, Partnership and Exhibitor Booth Opportunities, Contact Jim Passantino at westlake@sbcglobal.net