The National 24 Hour Challenge is the largest 24 hour personal best bicycling event in the United States. Started in 1983, for 37 consecutive years the National 24 Hour Challenge has attracted hundreds of bicycle riders from across the United States, and internationally to achieve their personal best mileage. The National 24 Hour Challenge is one of the few opportunities for bicyclists to set personal goals, test their limits, breakthrough their barriers, and accomplish more than they thought possible in a premiere 24 hour event format.
10375 Green Lake Rd
Middleville, MI 49333