Trail Running calendar near Marshalltown 2026-2027

A trail race at George Wyth State Park offering team and individual 10K and a 5K on scenic hard trails, with official timing and top three place awards in each category.

Trail races at Lake Macbride State Park in Solon, IA on July 18, 2026 offering 25K and 50K looped courses. The route stays mostly on trails with multiple aid stations, limited field size, and on site parking nearby.

A multi-distance running event in Des Moines on July 26, 2026 featuring Kids Dash, 1 mile, 5K, 10K, half marathon, relay, volunteer options, and a virtual race with mailed packets and event swag.

A timed 5k trail run or walk at Connorridge Farms in Oxford, Iowa, with a Virtual 5k option, prairie views, a prairie identification challenge, awards, and on-site finish line music.

Wildcat XC on August 8, 2026 in Janesville, Iowa includes a competitive 5K, a fun 5K, a family run, and a youth 1 mile race. Fees are $30 for the 5K and $15 for the kids mile and all proceeds support the Janesville CSD Cross Country program..

A 6K run/walk in Springville, Iowa on August 8, 2026, using an alternate town route this year instead of the quarry. Chip timing, age-group and overall awards, packet pickup on race day; proceeds benefit Springville Sports Boosters.

A backyard ultra in Bussey, IA where runners complete repeated *4.167 mile* laps each hour for up to 12 hours; laps must be finished within 60 minutes and the last runner to outlast others is the winner. Crew aid is allowed only between lap..

A timed 4 hour and 8 hour trail endurance event on a 3.15 mile loop at Cedar Bend Park near Waverly, Iowa on September 5, 2026. Laps count only within the time limits and a main aid station serves the start and finish.

Booneville Backroads Ultra on September 5, 2026 offers 100 mile, 100K, 50K and 10K options over hilly rural roads and bridges. Organizers plan course markings, allow limited crew support, and offer discounts for Trail Sisters group members.

Pleasant Creek Trail Run on September 12, 2026 in Palo, Iowa offers 15K, 30K and 45K looped trail races on dirt and grass with rolling hills, age group and overall awards, cash prizes, and a post-race cookout.

Experience the Iowa Trail Run Series at Jester Park featuring 5K, 10K, and 10 hour enduro options. Run along the shores of Saylorville Lake past buffalo enclosures on a mix of grass and dirt trails.

A community 5k at Reclaimed Rails Brewing Company in Bondurant Iowa on September 20 2026 where participants can run walk or jog the course and finish with a celebration at the brewery.

An off road 5 Miles obstacle course in Saint Charles, Iowa on September 26, 2026, hosted by Contributors Breakfast Club; the local fundraiser keeps proceeds in Iowa and lets participants help design several obstacles.

A loop endurance event at Lake Ahquabi where runners complete a 4.167 mile lap each hour until one runner completes one more lap than the rest. The course is a mostly dirt trail around the lake with aid at the start and a mid-loop station.

Fast Track Trail Race on September 26, 2026 at George Wyth State Park in Waterloo, Iowa offers runnable single track with 13K and 25K options. The event provides limited aid, race photos, event swag, awards, and post-race food.

A family-oriented mud run at Camp Sacajawea on September 26, 2026, with a 1-mile youth course and a 3-mile mud-obstacle course; proceeds benefit Girl Scouts of Greater Iowa and all participants receive a race shirt.

A non timed 1 mile and 3 mile walk and run around Hickory Grove Lake at Snow Bunting Lodge. The event raises funds for Chase Away K9 Cancer in memory of a Greater Swiss Mountain Dog named Remy and welcomes pets.

A chip timed 5K in Keystone, Iowa on 10/10/2026 where participants wear flag belts and encounter costumed zombies who try to pull flags. Proceeds support Keystone First Responders and Benton Girl's Wrestling.

Backbone Trail Run is a trail running event on October 10, 2026, at Backbone State Park in Dundee, Iowa, organized by Backbone Lake Friends to highlight the park and its trails.

A charity running event in Solon, Iowa featuring a timed 5K and a Monster Mile, with all proceeds to the Arthritis Foundation to support pediatric rheumatic disease awareness.