Trail Running calendar near Bertram 2026-2027

Trail races at Swiss Valley Nature Preserve in Peosta IA use a 5.2 mile loop with creek crossings, steep climbs and rugged terrain, offered as 5.2 mile, 25k and 50k. Free camping, showers and shuttle service are provided.

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 multi loop trail ultramarathon in the Mines of Spain Recreation Area near Dubuque, Iowa offering **100 mile** and **100 kilometer** options, varied terrain, significant elevation, scenic Mississippi River views, and set time limits.

An endurance event at Big Woods Campground in Cedar Falls offering individual and team relay formats over 48 hour. Runners complete 4 miles every 4 hours with an optional two mile add on after the final leg.

Trail races at Geode State Park with 5k, 12k and 25k options, two aid stations and water at the beach shelter. The event raises funds for the park's concession building and includes a race t-shirt; youth receive a discount.

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.

Trail endurance runs in the Mines of Spain near Dubuque offering 25K and 50K courses on single track with scenic river and bluff views and three stocked aid stations.

A six hour trail endurance run at Pinicon Ridge Park near Central City, Iowa. Runners complete repeated 1.2 mile woodland loops with two climbs and stairs while aid, a long sleeve race shirt, and lodge facilities are provided.