Trail Running Calendar Iowa 2025-2026

We have found 42 Trailruns in Iowa. Check below where and when you can find the races.

The Iowa Trail Run Series: Annett Nature Center is a scenic running event taking place at the Annett Nature Center in Indianola, Iowa. Participants can choose between a 5K and a 10K race, both designed to showcase the beautiful landscape of the area, including gravel paths and dirt trails. A portion..

The ScoCo50, hosted by Sun Trail Running, is an exciting trail running event taking place at Scott County Park in Long Grove, IA. Participants can choose between a 50K and a 10-mile race, both designed to be beginner-friendly while still appealing to experienced runners. The course features a mix of..

The Booneville Backroads Ultra, scheduled for August 30, 2025, offers a challenging running experience through the scenic rural landscapes of Iowa, including the iconic Bridges of Madison County. Participants can choose from various distances, including 100 miles, 100K, 50K, and 10K. Notable changes..

September 2025

The Pleasant Creek Trail Run, organized by the Eastern Iowa Trail Alliance, will take place on September 13, 2025. This annual event features three race distances: 15K, 30K, and 45K, all set in the scenic Pleasant Creek Park. Participants can enjoy a challenging course primarily composed of dirt and..

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, this race welcomes participants of all levels, from first-tim..

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, a 10K, and a half marathon, catering to various skill levels. Participants can enjoy diverse..

The Doggone Tired Ultra is an exciting running event taking place at Rodgers Park in Vinton, IA, featuring a 50K and a 10-mile race. Participants will enjoy scenic trails, including wood chip paths, grassy areas, and low-traffic gravel roads. The course consists of a loop that runners will complete..

The Iowa Trail Run Series: Jester Park offers participants a scenic running experience along the shores of Saylorville Lake, featuring a mix of trail surfaces such as gravel, dirt, and grass. Scheduled for September 28, 2025, the event includes two race options: a 5K and a 10K. Participants can expe..

October 2025

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. Runners will navigate a rugged course featuring creek crossings and steep inclines, with a total elevation gain of approximately 750 f..

The Haunted Heritage Trail Fun Run, scheduled for October 4, 2025, in Dyersville, IA, features a variety of events including a 5K Haunted Heritage Trail Fun Run, a 10K Trail Run, and multiple 1-mile Hero Walks. Participants are encouraged to wear Halloween costumes as they navigate a spooky trail fi..

The Iowa Trail Run Series: Sugar Bottom Fall is a running event taking place in Solon, Iowa, featuring a variety of race distances including 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 s..

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..

Meyerhoff's Mayhem is an endurance running event held at Big Woods Campground in Cedar Falls, Iowa. Participants can choose to run individually or as part of a team relay, completing 4 miles every 4 hours for a total of 48 hours, with an optional 2-mile add-on. The event features a variety of terrai..

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 Geode Challenge Races, initiated in 2018, is a fundraising event held at Geode State Park, aimed at supporting the renovation of the park's beach house and other projects. Participants can choose from a 5k out-and-back, a 12k single loop, or a 25k option consisting of two loops. The event is dog..

The Yippee-Ki-Yay 50K, Half Marathon, and 10K races will take place on October 25, 2025, in Council Bluffs, IA, along the scenic Wabash Trace Nature Trail. Participants can choose from three race distances: 50K, Half Marathon, or 10K, all featuring a chip-timed, out-and-back course. The event is lim..

November 2025

The Miner 49er is an endurance running event taking place in the scenic Mines of Spain, Dubuque, IA. Participants can choose between a 50K and a 25K race, both featuring challenging terrain with single track, double track, and prairie trails. Runners will enjoy stunning views of the Julien Dubuque M..

Woodpecker Six is a six-hour endurance running event organized by LoKeyz Trail Runners, taking place in the scenic Linn County Pinicon Ridge Park. Participants will navigate a 1.2-mile trail loop featuring challenging climbs and woodland paths, with the course direction changing every two hours to e..

The Iowa Trail Run Series: Waubonsie is an exciting trail running event held in Hamburg, Iowa. Participants can expect a well-organized race featuring clear course markings, basic timing, and a custom bib. Each runner receives a variety of race items, including a mug, socks, and a stocking cap.The e..

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 scenic trail with rolling hills a..

UTMB Index