Yankee Springs Winter Challenge Middleville, MI   Jan 3, 2026

Welcome to the 15th annual Yankee Springs Winter Challenge! This race is run on beautiful rolling single track trails at Yankee Springs, State Recreation Area in Southwest Michigan. We run in whatever conditions Michigan winter gives us, and it’s a different challenge every year. Distances are 5k, 10k, 25k, and 50k. The 5k,10k, and 25k are single loops. The 50k is 2 laps of the 25k. Aid stations for the 10k, 25k, and 50k are between 2 and 4 miles apart.