Trail Running Calendar Iowa 2024-2025

The Broken Anvil Backyard Ultra is an exciting endurance running event held in West Point, Iowa, featuring a unique format of repetitive 4.167-mile loops through Pollmiller Lake Park. Designed to challenge both physical and mental limits, participants must complete each loop within an hour, with the..

The Iowa Trail Run Series: Yellow River State Forest offers a unique running experience in the scenic driftless region of Iowa. Scheduled for September 21, 2025, this event features three race options: a 5K, 10K, and a half marathon, catering to various skill levels. Participants can enjoy diverse t..

The Iowa Trail Run Series: Jester Park offers participants a scenic running experience along the shores of Saylorville Lake, featuring a mix of gravel, dirt, and grass trails. Scheduled for September 28, 2025, the event includes two race options: a 5K and a 10K. Participants can expect well-marked c..

The Swiss Valley Trail Races, set in the scenic Swiss Valley Nature Preserve in Peosta, IA, offers participants three challenging distances: 5.2 miles, 25K, and 50K. The course features rugged terrain, steep inclines, and creek crossings, making it a true test for trail runners. The event supports t..

The Iowa Trail Run Series: Sugar Bottom Fall is a running event taking place in Solon, Iowa, featuring three race distances: a 5K, 10K, and half marathon. Scheduled for October 5, 2025, this event encourages participants to return for a second chance to improve their times from the spring edition. R..

The Backbone Trail Run is an exciting running event held in Dundee, Iowa, celebrating the natural beauty of Backbone State Park. Participants can choose between two race categories: a 4.3-mile moderate trail run and a more challenging 10K lake loop. The event promises a scenic and challenging course..

The Mines of Spain 100 is an ultra-marathon event featuring both 100-mile and 100-kilometer races, set in the picturesque bluffs, prairies, and forests of eastern Iowa's Driftless region. The race course, approximately 20 miles long, offers a diverse range of terrains, including steep technical sing..

The Yippee-Ki-Yay 50K, Half Marathon, and 10K races will take place on October 25, 2025, in Council Bluffs, IA, starting and finishing at the Iowa West Foundation Trail Head Park. This event features a scenic course along the Wabash Trace Nature Trail, ideal for both seasoned ultra runners and those..

The Iowa Trail Run Series: Waubonsie is set to take place at Waubonsie State Park in Hamburg, Iowa. This event features multiple race options, including the ITRS Waubonsie Enduro, a 5K, a 10K, and a Team Enduro, allowing participants to choose their preferred challenge. The Enduro event spans ten ho..

The Stuffed Turkey Endurance Races, taking place on November 22, 2025, at Jester Park in Granger, Iowa, offers a challenging experience for runners with distances of 10 miles, 50K, 50 miles, and 100 miles. This event is recognized as a UTMB index race and features a 100% trail course with rolling hi..