Heidi Schilling races at East Fork State Park in the Ohio Mountain Bike Championship Series
Mountain Bike Racing Series
XC
- Arkansas Mountain Bike Championship Series (AMBCS)
- D.IN.O Mountain Bike Racing Series - Indiana's oldest mountain bike racing series
- Midwest Fat Tire Championship Series - promotes mountain bike racing across Missouri and Kansas
- Ohio Mountain Bike Championship Series (OMBC)
- South Central Regional Championship Series - The series consist of 9 races in Mississippi, Louisiana, Alabama, and Tennessee sanctioned by USA Cycling Off-Road
- West Virginia Mountain Bike Association - both racing and trail work
Ohio Mountain Biking Championship Series Race at West Branch State Park
Big Races
- La Ruta de Conquistadores - an epic mountain bike ride across Costa Rica
- Leadville Trail 100 - A 100-mile mountain bike race in Leadville, Colorado. Lance Armstrong finished second in 2008.
24 Hour Races
- 24 Hours of 9 Mile - 9-Mile County Forest, Wausau, Wisconsin
- 24 Hours of Adrenaline - An annual 24 hour race series with races in the U.S. and Canada
- 24 Hours of Big Bear - Hazelton, West Virginia
- 24 Hours of Conyers - Georgia
- 24 Hours of Killington - Vermont
- 24 Hours of Moab - Moab, Utah
- 24 Hours of Mohican - Ohio
- 24 Hours in the Old Pueblo
- 24 Hours of Vail Lake - California
- The Burn 24 Hour Challenge - Wilkesboro, North Carolina
- The Hardcore 24 - Naples, NY
