Austin's Backyard Marathon

Capt'n Karl's Trail Series - Muleshoe Bend is a running event taking place at the Muleshoe Bend LCRA Recreation Area in Spicewood, Texas, on June 28-29, 2025. This challenging series features multiple race distances, including a 60K, 30K, 20K, 10K, a Sunset 5K, and a Youth 1-Mile Trail Run for child..

Capt'n Karl's Trail Series at Reveille Peak Ranch is a premier running event taking place in Burnet, Texas, on August 9-10, 2025. This series features a variety of race distances, including a 60K, 30K, 20K, 10K, a Sunset 5K, and a Youth 1-Mile Trail Run for children aged 12 and under. Set in a stunn..

The Mellow Trail Race is a scenic trail running event held at Pace Bend Park in Spicewood, Texas, near Austin and San Antonio. Set along the edge of Lake Travis, the race offers a unique "lake party" atmosphere where runners can cool off in the lake right after finishing. Distances include a maratho..

Trails by Moonlight: Hunter's Moon is a night trail running event held in Lago Vista, Texas, featuring a 4-mile loop course illuminated by the brightest full moon of the year. The event offers three formats: the 12-Hour Last Person Standing, where runners complete one loop every hour until only one..

The Donut Dash 16M is part of a multi-distance trail running event that promotes fitness and community engagement. Set in the scenic Hill Country of Lago Vista, Texas, participants can choose from various distances, including 5K, 10K, 4M, 8M, and the challenging 16M route. The event emphasizes the h..

The Big Texas Ultra is a trail running event held near Lake Georgetown, Texas, featuring distances of 100K, 50K, and 15K, along with a 15K RUCK. The race offers a challenging course with rocky, dirt, and grass trails, including over 4,600 feet of elevation gain for the 100K, which follows a 31.1-mil..