Trail Running Calendar Iowa 2025-2026

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, held in Dundee, Iowa, offers runners a scenic and challenging experience through Backbone State Park. Participants can choose between two distances: the Original 4.3-mile moderate course and the more demanding 10K Lake Loop. The race begins on pavement, allowing runners to fi..

The Mines of Spain 100 is a challenging Midwest trail ultramarathon held in Dubuque, Iowa, set in the scenic bluffs, prairies, and forests of the Driftless Region along the Mississippi River valley. The event offers two distances: 100 miles (five loops) and 100 kilometers (three loops) on a roughly..

Meyerhoff's Mayhem is a unique endurance running event held at Big Woods Campground in Cedar Falls, Iowa. Participants run or ruck 4 miles every 4 hours over a 48-hour period, with an optional 2-mile add-on after the final leg. The course features a mix of paved trails and a disc golf course, offeri..

The Yippee-Ki-Yay 50K, Half Marathon, and 10K races take place annually in Council Bluffs, Iowa, on the scenic Wabash Trace Nature Trail. This event features a Rails-to-Trails course with a fine crushed limestone surface, offering beautiful Heartland countryside views. Runners can choose from a 50K..

The Equalizer Endurance Run is an inclusive running event held in Des Moines, IA, designed for both new and experienced runners to challenge themselves at ultra distances. The event features a unique age/sex 'equalizer' scoring system, allowing participants to compete fairly across different age gro..

The Miner 49er is an endurance running event held in the scenic Mines of Spain near Dubuque, Iowa. It features two race distances: a 25K and a 50K, with the 50K being a double loop of the 25K course. Runners experience approximately 2,200 feet of elevation gain on the 25K and 4,400 feet on the 50K...

Woodpecker Six is a six-hour endurance trail run held in Linn County's scenic Pinicon Ridge Park near Central City, Iowa. The course features a challenging 1.2-mile loop with two significant climbs and multiple stairs, totaling about 215 feet of elevation gain per loop through heavily wooded terrain..

The Iowa Trail Run Series: Waubonsie will take place in Hamburg on Sunday 9 November 2025.

The Stuffed Turkey Endurance Races, held annually at Jester Park in Granger, Iowa, offer challenging trail running events with distances of 10 miles, 50K, 50 miles, and 100 miles. The course features 100% trail terrain with small rolling hills and flat stretches, totaling 455 feet of elevation gain..

The Hitchcock Experience Endurance Runs take place at the Hitchcock Nature Center in Honey Creek, Iowa. Scheduled for December 6-7, 2025, the event offers multiple distances including a half marathon (13.1 miles), 50 miles, 101K (a combination of the half marathon plus 50 miles), and a full 100-mile..

The Critter is an endurance running event held at Ingawanis Adventure Base in Waverly, Iowa. It offers multiple race durations including 4-hour, 8-hour, and 12-hour options, catering to various levels of ultrarunning enthusiasts. The event takes place on December 31, 2025, providing a unique opportu..