Trail Running Calendar Iowa 2025-2026

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

The Geode Challenge Races, held annually at Geode State Park in Danville, Iowa, offer trail running events of 5K, 12K, and 25K distances. The courses feature diverse terrain including dirt and single-track trails, rocky sections, gravel, sand, grass, road segments, hills, and a creek crossing, with..

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-Trail course with a fine crushed limestone surface, offering beautiful Heartland countryside views. Participants can choose from a..

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 out-and-back course with about 2,200 feet of elevation gain, and a 50K race that covers the 25K route twice, totaling approximately 4,400 feet of gain. Runners exp..

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 take place at Jester Park in Granger, Iowa, offering trail running distances of 10 miles, 50K, 50 miles, and 100 miles. The course features 100% trail terrain with small rolling hills and flat sections, totaling 455 feet of elevation gain per loop and 4,550 feet ov..

The Hitchcock Experience Endurance Runs take place at the Hitchcock Nature Center in Honey Creek, Iowa. This challenging event offers multiple distances including a half marathon (13.1 miles), a 50-mile run, a 101K "Hard Way" (combining the half marathon and 50 miles), and a 100-mile endurance run...

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 opport..

The Friends of Yellow River State Forest Trail Run/Walk is an annual event held in Harpers Ferry, Iowa, featuring multiple race distances including a family-friendly, fast, and flat 5K on Friday evening, followed by a 5K, 10K, and half marathon on Saturday. The races take place on existing trails wi..