Trail Running calendar near Dundee 2026-2027

A chip timed 5K in Keystone, Iowa on October 10, 2026 where runners wear flag belts and volunteers in makeup try to pull flags along the course. Proceeds go to Keystone First Responders and a secondary charity to be named.

A trail running event at Backbone State Park in Dundee, Iowa, on Saturday, October 10, 2026, organized by Backbone Lake Friends, offering a 4.3 mile Original route and a 10K Lake Loop with stated difficulty levels.

A Midwest trail ultramarathon in Dubuque that uses a roughly 20 mile loop through the Mines of Spain Recreation Area. Options include a 100 mile five loop race and a 100K three loop race with substantial elevation gain.

A 48 hour endurance event at Big Woods Campground in Cedar Falls, IA with solo and 2 to 4 person relay options. Runners complete 4 miles every four hours, with on course food, water, participant sweatshirts, and finisher medals.

Experience the seasonal beauty of Clayton County at the Pony Hollow Trail 15K and 5K. Run through the historic Motor Mill park area and enjoy the autumn foliage on this established trail course.

Miner 49er in Dubuque, IA features 25K and 50K runs on single-track and prairie trails with significant elevation gain, three aid stations, and views of the Julien Dubuque Monument, Horseshoe Bluff, and the Mississippi River.

A six hour trail endurance run at Pinicon Ridge Park near Central City, Iowa, on a 1.2 mile loop with two large climbs and stairs. Course direction changes every two hours and the event includes aid station food, a race shirt, and awards.

A winter trail event at Governor Dodge State Park offering 50K, 25K and 15K courses on mixed horse trails and prairie paths. Aid stations, crewing and pacers are available for the 50K, and part of proceeds support the Driftless Trail projec..