Trail Running calendar near El Dorado 2025-2026

We have found 16 Trailruns within 80 miles of El Dorado. See below where and when you can find the races.

The Not 4 Wimps Half-Marathon, along with a 10K and 10-mile run, is set to take place in Derby, Kansas, on February 16, 2025. This annual trail run, now in its 33rd year, emphasizes a "no frills" approach, focusing on the challenge of the course rather than traditional race perks like medals or shir..

April 2025

FlatRock 101 is a renowned trail running event taking place in Independence, Kansas, featuring multiple race distances: 101K, 50K, 25K, 12K, and 5K. Celebrated as the first and oldest trail ultra in Kansas, it offers a unique experience along the Elk River Hiking Trail, showcasing stunning limestone..

The Iron Will Grand Slam is an ultimate ultra-running challenge taking place in 2025, inviting participants to complete four 100-mile races in a single season. The races include Earth Day Buckle Mania, Iron Will Backroads, Honey Badger Road Race, and the final Iron Will event. Registration for all f..

Earth Day Buckle Mania is a unique running event taking place from April 25 to 27, 2025, in Abilene, KS. Participants can choose from 12-hour, 24-hour, or 48-hour race options, all set on a certified 1.8228-mile paved loop in a scenic private park. Runners can earn multiple buckles for completing va..

May 2025

The Heartland 50 is a running event taking place in Cassoday, Kansas, featuring three race distances: 50 miles, 50K, and 25K. The course is primarily on backcountry gravel roads, offering scenic views of the Flint Hills tallgrass prairie. It is designed to be accessible for first-time ultrarunners w..

The Lazy A Backyard Ultra is an endurance running event held in Udall, Kansas, where participants aim to complete as many laps as possible until only one runner remains. Each lap measures 4.167 miles, and runners must finish within one hour to continue. The race format emphasizes self-sufficiency, w..

Iron Will Backroads is an exciting running event taking place in Enterprise, Kansas, featuring three challenging distances: 50K, 100K, and 100 miles. The course consists of a 12.5-mile loop that includes both gravel roads and rail trails, with aid stations providing support throughout the race. Part..

June 2025

The Dam Loop, presented by W Investments, is an exciting running event scheduled for June 7, 2025, at El Dorado State Park in Kansas. Participants can choose to compete in a 20-mile solo run or as part of a relay team (3 or 5 members). The course consists of five loops, each approximately 4 miles lo..

The Heat Wave 6/12/24 is an ultrarunning event organized by the Kansas Ultrarunners' Society, taking place on June 12-13, 2025, at the Rose Hill District Stadium in Kansas. Participants can choose from 6, 12, or 24-hour races, with options for nighttime events. The course is a 400-meter track, and l..

July 2025

The Honey Badger 100 is an ultra-running event taking place in Cheney State Park, Kansas, featuring a challenging 100-mile course. Participants must provide their own crew and supplies, including water and ice, as they navigate a mix of park trails and county roads. The event emphasizes self-suffici..

August 2025

The Sunflower Trail Run is an annual running event held in Buhler, Kansas, featuring a scenic course through over 20 acres of beautiful sunflowers. Participants can choose from various events, including a competitive 5K, a non-competitive 5K, a 1-mile run, and a virtual 5K option. All runners receiv..

September 2025

FlatRock 101 is a renowned trail running event taking place in Independence, Kansas, featuring a challenging 50K, 25K, 12K, and 5K race. As the oldest trail ultra in Kansas, it offers a unique experience along the Elk River Hiking Trail, showcasing stunning limestone bluffs and picturesque views. Pa..

October 2025

The Heartland event, taking place in Cassoday, KS from October 10-12, 2025, features a variety of ultra-distance races including a 125-mile, 100-mile, 100K, 50-mile, marathon, and half marathon. The course primarily consists of backcountry gravel roads, offering stunning views of the Flint Hills tal..

November 2025

The KUS 6/12/24 Hour Run is an ultramarathon event taking place in Valley Center, Kansas, featuring multiple race durations: 6 hours, 12 hours, and 24 hours. The event is held on a certified 400-meter track, allowing participants to run as many laps as they can within their chosen time frame. Runner..

The Turkey Trails event in Goddard, Kansas, is a family-friendly running event featuring a variety of races, including a 1 Mile, 5k, 10k, Kids Dash, and a Virtual Race option. Participants can enjoy great swag, including a designer shirt and custom medal, along with chip-timing and live results. The..

December 2025

Ollie's Ultra is an endurance running event taking place at Santa Fe Park in Chanute, Kansas. Participants can choose from various race durations, including 24, 12, 9, 6, and 3 hours, all on a USATF Certified Course. Runners will complete a 2.022-mile loop, with only full loops counting towards thei..