The Ultra Bird 12hr Trail Race

The Riley Trails 50K & 25K RUCK is an endurance event held in Holland, Michigan, featuring a challenging 50-mile trail race and a new 25K RUCK event. The 50K race involves completing 31 miles on two alternating loops, with a cut-off time of nine hours. Runners navigate varied terrain, including sing..

The Wicked Worm Trail Races are held on the technical trails at Robinette’s Apple Haus in Grand Rapids, Michigan. The event features multiple race options, including a 10K, a 6-hour, and a 12-hour race, with the latter two capped at 50 participants each. Races run through scenic orchard areas and se..

The Grand Explorers' Trail Race is a family-friendly running event taking place in Jenison, Michigan, on June 21, 2025. Participants can choose from various events, including a 1-Mile Fun Run for Kids, 5K and 10K Run/Walk options, as well as virtual races. The course showcases the scenic beauty of t..

The Dirty Burg is a trail running event held at Cannonsburg Ski Area in Belmont, Michigan. It features distances of 5K, 10K, 25K, and 50K, with courses centered around a scenic 10K loop that includes approximately 5.5 miles of rolling single-track trails and a challenging 0.7-mile run up and down th..

The Grand Rapids Trail Run, held at Robinette's Apple Haus & Winery in Grand Rapids, Michigan, offers scenic trail running and hiking events including 5K, 9K, 9K Ruck, and 18K distances. The course features dirt and rooty single-track trails with a hilly terrain, including a 500-foot elevation gain..

The Riley Trails Marathon is an annual running event held in Holland, Michigan, featuring a full marathon, half marathon, 10K, and a 4-person relay. The race takes place on a scenic course that starts and finishes at Benjamin's Hope, with runners completing loops at Riley Trails. The event emphasize..