Trail Running calendar near Dundee 2025-2026

The Pleasant Creek Trail Run, held in Palo, Iowa, is an annual trail running event featuring three race distances: 15K, 30K, and 45K. The course runs on Pleasant Creek’s outer loop equestrian trail, a 15K loop of primarily dirt and grass trails with rolling hills and occasional small water crossings..

Goosebumps 6 & 24 Hour Run/Walk, a fundraiser by the River City Running Club, takes place in Stoddard, Wisconsin on September 19-20, 2025 (W6488 County Road GI). Runners and walkers choose either a 6-hour or 24-hour option, with the goal of as many loops as they can within the allotted time. The cou..

The Iowa Trail Run Series: Yellow River State Forest takes place in Harpers Ferry, Iowa, within the scenic driftless region known for its unique terrain and beautiful valley views. This event offers three race distances: a half marathon, 10K, and 5K, catering to trail runners of all skill levels. Pa..

Doggone Tired Ultra is a trail ultramarathon in Rodgers Park, Vinton, Iowa, offering 50K and 10-mile options. The course winds through wood-chip trails around a lake and campground, with roughly 3.5 miles of low-traffic gravel and grassy/wooded sections that include some technical terrain. Runners c..

The Swiss Valley Trail Races, held in Peosta, Iowa, offer runners three distance options: 5.2 miles, 25K, and 50K. Set within the scenic Swiss Valley Nature Preserve, the course features rugged terrain, creek crossings, and steep inclines, with each 5.2-mile loop climbing approximately 875 feet. The..

The Haunted Heritage Trail Fun Run / Hero Walk in Dyersville, Iowa, offers a festive and spooky running experience with multiple events including a 5K Haunted Heritage Trail Fun Run, a 10K Trail Run, and a 1 Mile Hero Walk. Participants are encouraged to wear Halloween costumes as they navigate a 3...

The Backbone Trail Run takes place at Backbone State Park in Dundee, Iowa, offering two race distances: a moderate 4.3-mile course and a more challenging 10K Lake Loop. This trail race is known for its beautiful, scenic setting and a course that starts on pavement before transitioning to trails, pro..

Meyerhoff's Mayhem is an endurance event held at Big Woods Campground in Cedar Falls, Iowa. The format consists of 4-mile runs every 4 hours across a 48-hour period, with an optional 2-mile add-on after the last leg. The course starts at the tent area and uses a mix of paved trails and a nearby disc..

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 trail experience. The course is described as a ~20‑mile loop f..

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..

Set in Governor Dodge State Park, The Guv’nor Frozen 50 is Driftless Endurance’s winter ultra featuring 50K, 25K, and 15K options. The 50K is two loops totaling about 31 miles with roughly 4,400 feet of elevation gain, traversing a mix of horse trails, dirt single and double tracks, and prairie path..

The Critter is an endurance running event in Waverly, Iowa, at the Ingawanis Adventure Base. It offers multiple timed options for ultrarunners: 4-hour, 8-hour, and 12-hour formats. While the specific course details aren’t listed, the venue suggests a trail-focused, rugged setting typical of ultramar..

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..

Galena Sky Trail Race is held at Chestnut Mountain Resort in Galena, Illinois. It features two timed loop formats: an 8-hour loop and a 4-hour loop on the resort’s trails that climb the same hills skied in winter, offering views of the Mississippi River and the Iowa–Wisconsin shores. The long loop i..