Trail Running calendar near Sterling 2025-2026

The Loud Thunder 50 is a trail running event taking place on April 19, 2025, at Loud Thunder Forest Preserve in Illinois City, IL. Participants can choose from three race distances: 50 miles, 50K, and a half marathon, all set against the scenic backdrop of the Mississippi River. The event emphasizes..

The Earth Day 50K/15 Mile/5 Mile event, taking place in Crystal Lake, IL, offers participants a choice of three challenging race distances. Set in a scenic environment, the course features rolling hills and single-track trails, designed to provide an exhilarating experience for runners. The event pr..

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 exciting trail running event taking place at Wildlife Prairie Park in Hanna City, Illinois. Scheduled for May 4, 2025, this inaugural race offers participants a chance to experience the scenic beauty of the park while competing in a 10K trail run. The event is organized..

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, scheduled for May 17, 2025, 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 promotes a fun atmosphere with a focus on community and trail e..

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 an exciting running event taking place in Peoria, Illinois, at Kinsey Park, known for its whimsical Wizard of Oz theme. This unique "last runner standing" race features a 4.16-mile loop that starts every hour, challenging participants to complete each lap within the..

The Schuetzen NEIN! Hour Endurance Run is an exciting running event taking place in Davenport, IA, where participants challenge themselves to cover as many miles as possible within a 9-hour time limit. Organized by Quad Cities Trail & Ultra Runners and Sun Trail Running, this event offers both solo..

The Pinetum Mind Games Endurance Event is an exciting running challenge held at Lowell Park in Dixon, IL. Participants can choose to compete in 6, 12, or 24-hour formats, either solo or as part of a relay team. The course consists of a .411-mile loop designed to test mental and physical endurance, e..

The Chupacabra Trail Races, set in Dixon, IL, offers an exciting night running experience on August 9, 2025. Participants 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 station at the s..

The Mines of Spain Trail Races, set in Dubuque, IA, 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 dir..

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 an exciting trail running event taking place at Scott County Park in Long Grove, IA. Participants can choose between a 50K and a 10-mile race, both designed to be beginner-friendly while still appealing to experienced runners. The course features a mix of..

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 for part..

Last Dot Standing is a unique endurance running event taking place in Belleville, WI, from September 19 to 22, 2025. Participants will engage in a "last person standing" format, where they must run 4.2 miles to Dot's Tavern and back, with each leg of the race starting every hour on the hour. In addi..

The Tiger 10 Miler is an annual trail race held in Byron, Illinois, featuring a challenging 10-mile course through the scenic Byron Forest Preserve and Nardi Equine Prairie. Participants receive a custom finisher's medal, a race shirt, and have the chance to win awards in various age categories. The..

The 4sta Hike is the 8th Annual event held at the Loud Thunder Forest Preserve in Illinois City, IL, along the banks of the Mississippi River. Participants can tackle a 1-mile loop course, with options for an easier or more challenging route, depending on trail conditions. The event has a time limit..

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..

The Hennepin Hundred is Illinois' only point-to-point, all-trail ultramarathon, taking place along the scenic Hennepin Canal State Trail. Scheduled for October 4-5, 2025, this event features multiple race distances, including a 100-mile, 50-mile, and 50K, making it suitable for both seasoned ultraru..