24 Hours of Soldier Hollow: Annual endurance mountain bike race held in Midway, Utah. Site features information about registration and venue.Prairie City Race Series: Mountain bike racing and riding in Sacramento and Northern California.Rotorua UCI mountain bike and trials World Championships: Welcome to the official web site of the UCI Mountain Bike and Trials World Championships in Rotorua, New Zealand.Sea Otter Classic: International racing, beginner through pro. Includes XC, downhill, dual slalom, mountain cross, short track, trials and jump contest. Monterey, California.