Trail Running calendar near Lennox 2026-2027

Trail races at Oak Grove Park in Hawarden, IA offering 3.5 mile, 7.5 mile and a roughly 12.5 mile course on single-track trails with chip timing, free parking and post race refreshments.

A 3.5 mile single-loop trail race at Cone Park Trails in Sioux City, part of Trail Fest weekend on June 26. The course mixes single-track and harder park trails, with awards by overall, masters, and five-year age groups.

A looped trail ultra at Great Bear Ski Valley near Sioux Falls offering 50k, 30k and 20k options on a roughly 10 km loop with about 1200 feet of climb per loop.

A 5K event with two options: a Pump N' Run where bench press reps reduce 5K time, and a Traditional 5K, both on Adams Homestead limestone trails in North Sioux City.

605 Trail Fest brings three trail distances to Good Earth State Park in Sioux Falls on August 15, 2026, including an 8 mile, a 4.5 mile and a 1 mile youth course. Packet pickup is scheduled the day before.

Timed running events from 3 to 48 hours take place on a 1.5 mile loop around an organic vegetable farm near Lennox, SD. The course is mainly dirt and pasture and includes a staffed aid station with flush toilets.

Trail races through Big Sioux Recreation Area in Brandon, SD, with 5 mile, 2 mile, and a free kids one mile race. Courses use paved and dirt trails through prairie, woods, and a bluff and are chip timed.

A trail event at Dorothy Pecaut Nature Center in Sioux City on October 3, 2026. It features a 5 Mile trail run, hike or ruck plus a kids 1k, marked trails, notable elevation gain, and age group awards.

A backyard ultra at Blue Mounds State Park near Luverne MN on October 10, 2026, run on a mostly grass loop. Runners complete repeated 4 mile 880 foot loops each hour until only one person completes a loop others are recorded by distance.

Trail races at Newton Hills State Park offering **2 mile** and **6 mile** courses on single track and multi-purpose trails. Chip timing and a points series with defined age divisions are included; a state park day pass is required.

A trail ultramarathon at Newton Hills State Park near Canton SD with 20K, 30K and 50K on a 10k loop. Each loop has about 850 ft of gain, an aid station at the loop start finish, and shared sections with horse trails.

A 50K at Tuthill Park where runners complete a 0.31 mile loop one hundred times within 12 hours. Entry is by essay and runners pledge donations that are pooled and awarded to the winning runners' chosen charities.