Trail Running calendar near Sterling 2025-2026

The Bald Unyielding Twilight Trail Trial is an exciting ultra-running event taking place at the Bald Hill Prairie Preserve in Mount Morris, Illinois. Scheduled for February 22-23, 2025, this unique race features timed segments of 3, 6, and 12 hours, allowing participants to test their endurance in t..

The K's of Convenience is an urban ultra running event hosted by Quad Cities Trail & Ultra Runners in Davenport, IA. Participants can choose between a 50K or 25K distance, navigating an ever-changing course primarily on open roads and bike paths. This grassroots event emphasizes safety, as runners a..

The Skunk Ape 806/314 Trail Race is a unique running event taking place on March 22, 2025, at Lowell Park in Dixon, IL. Participants can choose between two challenging distances: 33.75 miles to be completed in 8 hours and 6 minutes, or 13.5 miles in 3 hours and 14 minutes. The race features a 2.25-m..

The Loud Thunder 50 is a trail running event taking place on April 19, 2025, at the Loud Thunder Forest Preserve in Illinois City, IL. Participants can choose from three challenging distances: 50 miles, 50K, and a half marathon. The event aims to provide a rewarding experience while showcasing the p..

The Earth Day 50K/15 Mile/5 Mile event, taking place in Crystal Lake, IL, offers runners a choice of three distances to celebrate Earth Day. The race features a scenic 5-mile loop course that includes single track and rolling hills, with a major aid station providing refreshments. Participants are e..

The Great Western Half-Marathon & 10K, organized by the Fox River Trail Runners, is a well-established running event held on the scenic Great Western Trail. Celebrating over 25 years, this competitive race features a flat, out-and-back course, making it accessible for runners of all levels. Schedule..

The Spring Stampede 10K is an inaugural trail run taking place at Wildlife Prairie Park in Hanna City, Illinois. Scheduled for May 4, 2025, this event is organized by the Illinois Valley Striders and is part of a Grand Prix series. Participants can enjoy a scenic 10K course through the park's beauti..

The Galena Sky Trail Races, set for May 17, 2025, offer an exciting challenge for trail runners at Chestnut Mountain Resort in Galena, IL. Participants can choose between an 8-hour or 4-hour timed loop course, featuring scenic views of the Mississippi River. The event includes a festive atmosphere w..

The Sunderbruch B&B Trail Races, taking place in Davenport, Iowa, features 5K and 10K trail running events on scenic single-track trails. Organized by the Quad Cities Trail & Ultra Runners and Sun Trail Running, the event emphasizes fun and community, offering a post-race potluck with bacon and craf..

The Sugar Badger 50/50 and Half is a scenic running event taking place in Belleville, Wisconsin, featuring a 50-mile, 50K, and half marathon distance. The race is set on the flat and soft rail trails of the Badger State Trail and the Sugar River State Trail, offering picturesque views, trestle bridg..

The Yellowbrick Backyard Ultra is a unique running event taking place in Peoria, Illinois, at Kinsey Park, featuring a whimsical Wizard of Oz theme. This "last runner standing" race consists of 4.16-mile loops starting every hour until only one runner remains. Participants must return to the start l..

The Schuetzen NEIN! Hour Endurance Run is a unique running event taking place in Davenport, IA, where participants challenge themselves to cover as many miles as possible within a 9-hour time limit. Runners can choose to compete solo or as part of a relay team, navigating a scenic 0.85-mile trail lo..

The Pinetum Mind Games Endurance Event is a unique running challenge held at Lowell Park in Dixon, IL, featuring a .411-mile loop course. Participants can choose to compete solo or in relay teams over 6, 12, or 24-hour periods. The event encourages runners to push their limits in a fun and supportiv..

The Chupacabra Trail Races, taking place in Dixon, IL, offers participants a unique night running experience on August 9, 2025. Runners can choose from three distances: 5 miles, 10 miles, or 15 miles, with a loop course that combines grass, gravel, and dirt trails. The event features a single aid st..

The Mines of Spain Trail Races, set in Dubuque, Iowa, offers a thrilling experience for runners of all levels with distances of 4 miles, 7 miles, and a half marathon. Participants will navigate through the scenic and challenging trails of the Mines of Spain, featuring diverse terrain that includes d..

The New Glarus Woods Trail Run is an annual event that celebrates outdoor fitness and community spirit, taking place in New Glarus, Wisconsin. This year marks the 6th edition of the run, which is part of the Savanna Trail Run Series. The event features multiple race options, including a 1 Mile Fun R..

The ScoCo50, hosted by Sun Trail Running, is a trail running event taking place at Scott County Park in Long Grove, IA. Participants can choose between a 50K and a 10-mile race, designed to accommodate both beginners and experienced runners. The course features a mix of dirt and grass trails, with g..

The Gristmill Grind 10K is an annual trail race held at Franklin Creek State Parks Natural Area, known for its challenging terrain and scenic views. Scheduled for August 30, 2025, this event features a 10K race with significant elevation changes and creek crossings, as well as a 1-mile walk. Partici..

The Last Dot Standing event, hosted by Ten Junk Miles, takes place from September 19 to 22, 2025, in Belleville, WI. This unique running challenge requires participants to alternate between running 4.2 miles to Dot's Tavern and back, with a one-hour time limit for each leg. The event continues until..

The Swiss Valley Trail Races, set in the scenic Swiss Valley Nature Preserve in Peosta, IA, offers participants three challenging distances: 5.2 miles, 25K, and 50K. The course features rugged terrain, steep inclines, and creek crossings, making it a true test for trail runners. The event supports t..