Trail Running calendar near Dyersville 2025-2026

The Mines of Spain Trail Races, held in Dubuque, Iowa, offer runners three challenging distances: a half marathon, 7-mile, and 4-mile race. Set in the scenic Mines of Spain State Recreation Area, the courses feature diverse terrain including dirt single and double tracks, prairie grass trails, rocky..

The New Glarus Woods Trail Run is an annual event held at New Glarus Woods State Park in Wisconsin, part of the Savanna Trail Run Series. The 6th edition features multiple race distances: a 1-mile kids fun run, 5 km, 8 km, and 16 km trail runs. The event supports fundraising for mountain bike trail..

Trystan's Backyard Ultra, held at La Riviere Park in Prairie du Chien, Wisconsin, is a unique endurance running event featuring a challenging 4.167-mile loop course through scenic trails with 200–350 feet of elevation gain. Runners must complete each loop within one hour, with the race continuing un..

ScoCo50 is a trail running event held at Scott County Park in Long Grove, Iowa, offering 50K, 10-mile, and 5-mile race distances. The course features a mostly dirt and grass trail system through wooded and prairie areas, with gentle elevation gains—approximately 950 feet per 10-mile loop for the 50K..

The Pleasant Creek Trail Run, hosted by the Eastern Iowa Trail Alliance, is an annual trail running event held in Palo, Iowa. The 2025 race offers three distances: 15K, 30K, and 45K, all run on Pleasant Creek’s scenic outer equestrian trail loop. The course features primarily dirt and grass trails w..

The 4sta Hike is an annual trail running event held at Loud Thunder Forest Preserve near Andalusia, Illinois, along the Mississippi River. Participants run a challenging 1-mile loop featuring smooth single track, rocks, roots, downed trees, and steep gradients up to 48%. The course offers two option..

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..

The Doggone Tired Ultra is a trail running event held at Rodgers Park in Vinton, Iowa. It offers two race distances: a 50K ultra and a 10-mile run. The course features a scenic 10-mile loop around the lake and campground areas, including wood chip trails, grassy fields, wooded sections, and about 3...

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 Autumn Leaf Run is a 5K trail race held at Oakdale Nature Preserve in Freeport, Illinois. Open to all ages and skill levels, the event offers a scenic course featuring diverse terrain such as wide tree-lined trails, moderate hills, prairie areas, bridge crossings, and single-track trail sections..

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..

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 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 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 Guv'nor Frozen 50K is a challenging winter ultra-marathon held at Governor Dodge State Park in Dodgeville, Wisconsin. Scheduled for early December, the event offers three distance options: 50K, 25K, and 15K. The courses feature a mix of horse trails, dirt single and double tracks, and prairie pa..

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 Donald Dash Trail Run is a popular trail running event held at Donald County Park in Mount Horeb, Wisconsin. It offers two race distances: a 5K for beginners and a more challenging 15K for experienced runners. The course features diverse terrain including prairie, single track, sand, slick bridg..

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..