Trail Running Calendar Iowa 2025-2026

Event format Meyerhoff's Mayhem is a 48-hour endurance event featuring repeated short legs. Participants complete 4 miles every four hours for the 48-hour period, with an optional 2-mile add-on after the final leg. 4 miles repeated every 4..

Mines of Spain 100, held in Dubuque, Iowa, offers 100-mile and 100-kilometer ultramarathons on October 17-18, 2025. Set in the driftless region’s bluffs, prairies and forests above the Mississippi River valley, it delivers a true Midwest tr..

Hit scenic, rugged trails at Geode State Park near Danville, IA on Oct 18, 2025, with 5K, 12K and 25K courses featuring single track, rock, sand and creek crossings. All finishers get a geode and winners earn handmade wood and geode plaques..

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, allo..

Run the scenic Wabash Trace in Council Bluffs at Yippee Ki Yay Races with 50K, half marathon and 10K options. Limited field, finisher hoodie, medals and on course aid make this a fun fall challenge.

Event Woodpecker Six is a six hour endurance run organized by LoKeyz Trail Runners. It takes place on Saturday, November 8, 2025, in Central City, Iowa (4732 Horseshoe Falls Rd). The format asks participants to complete as many loops of the..

Born to Run 5k in Des Moines takes place at Confluence Brewing Co., 1235 Thomas Beck Rd, Des Moines, IA. The event offers a 5K race and a 1-mile fun run on a scenic, looped trail course framed by natural beauty. It aims to be family-friendl..

Event The Miner 49er endurance runs take place on Saturday, November 8, 2025, in Dubuque, Iowa at the Mines of Spain area (8991 Bellevue Heights Rd). Distances offered: 25K 50K Registration closes on October 31, 2025. Race registration fe..

Iowa Trail Run Series: Waubonsie (Nov 9, 2025) The Waubonsie event takes place at Waubonsie State Park, 2585 Waubonsie Park Rd, Hamburg, IA 51640. The race uses a three-mile loop through the Loess Hills. One format is a ten-hour Enduro that..

Test your limits at the Stuffed Turkey Endurance Races in Jester Park, Granger, Iowa on November 22 with trail options from 10 miles to a 100 mile ultra. Rolling hills, scenic singletrack, and full aid stations make for a memorable challeng..

Turkey Trails- Des Moines, organized by Bodies Race Company, takes place at Gray’s Lake Park in Des Moines, IA 50315 (2101 Fleur Dr). The Thanksgiving-themed event offers 1 mile, 5k, 10k, Kids Dash, Virtual Race, and a Volunteer-then-Run op..

Event overview The Hitchcock Experience takes place at Hitchcock Nature Center in Honey Creek, Iowa, on December 6-7, 2025. The event includes multiple endurance distances on natural-surface trails. The 50 Miler is noted to have a night sta..

Event details The Critter is set for Wednesday, December 31, 2025, at 2482 Grand Ave, Waverly, IA, held at Ingawanis Adventure Base. Registration closes on December 28. Distances and options: 12-hour 8-hour 4-hour 10K (single loop) Timed..

Run the Center Trails in Des Moines on April 4, 2026 with 8 Mile and 4 Mile options in the Iowa Trail Run Series. Enjoy marked courses, basic timing, a rotating race item, plus post race food and sponsor giveaways.

The 4K for 4-H will take place in Winterset on Saturday 11 April 2026.

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 mara..

Run at McFarland Park near Ames in the Iowa Trail Run Series as the sun sets, with scenic 5K and 10K trails across single track, prairie and gravel. Enjoy race swag, post race food and community fun while supporting park conservation.

Take on scenic singletrack at Pleasant Creek Trail Run in Palo, Iowa on Sept 13, 2025. Choose 45K, 30K or 15K and enjoy aid stations, post race awards and community support from the Eastern Iowa Trail Alliance.

Test your grit at the Broken Anvil Backyard Ultra in West Point, Iowa, where runners tackle a 4.167 mile loop each hour until one person remains. Camp onsite, enjoy park trails, and early registrants get a guaranteed hoodie and goodies.