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 attracts approximately 300 bicyclists every year, ages 18-80, from across the United States and internationally.
Since 1983, the National 24 Hour Challenge has provided an opportunity for more than 5,000 bicyclists to ride over 2,000,000 miles in an effort to achieve their personal best. We will continue this tradition in our 37th year.
10375 Green Lake Rd
Middleville, MI 49333