Trail Running calendar near Sheffield 2026-2027

Experience ten miles of hills and winding trails through the Byron Forest Preserve and Nardi Equine Prairie. This cup free race features cash prizes and a post race celebration with pizza at Hairy Cow Brewing Company.

A non-timed 2K and 5K trail run/walk at Case Creek Valley that welcomes leashed dogs and supports Rock Island County Animal Care & Control Shelter, with race bibs, optional T-shirts, finisher dog tags, and hydration stations.

A grassroots looped ultramarathon in Dixon, IL with a roughly 7.85 mile loop and distances to 100 miles. The course mixes singletrack, meadow and gravel, features two aid stations, allows crew and pacers, and awards finishers.

Point-to-point, all-trail ultramarathon along the Hennepin Canal between Sterling and Colona, Illinois, offering 100 mile, 50 mile, 50K and team relay options with regular aid stations and finisher awards.

Run The Woods is a trail event at Timber Pointe Outdoor Center in Hudson, IL featuring 5K and 8K races with youth divisions and a one mile untimed trail walk. Proceeds benefit Easterseals Central Illinois and Timber Pointe Outdoor Center.

Autumn Leaf Run is a 5K trail event at Oakdale Nature Preserve in Freeport on 10/03/2026. The looped course crosses prairies, creek and wooded trails and raises funds for park improvements through the Freeport Parks Foundation.

A coffee-themed, untimed fun run at Case Creek Trails on October 4, 2026, offering 2K and 5K routes, hot drinks and aid stations. The event raises funds for the local animal shelter and includes optional swag and finish tokens.

A multi-distance trail event at Farmdale Reservoir near East Peoria offering 100, 50 and 30 mile ultras plus shorter races across single-track, service road and prairie with aid stations, camping and specified cutoffs.

Trail run at Saw Wee Kee Park on October 17, 2026, over soft, twisting trails with variable footing. Bib-timed waves, part of a four-race series with collectible medal pieces and seasonal swag.

A chip timed 5K and an untimed 1 mile fun walk at GE Park in Bloomington on October 18, 2026, raising funds for BN Sunrise Rotary Youth Services and the CCHS Rotaract Club. Awards include ceramic steins for top 5K age group finishers.

A Backyard Ultra in Colona, IL where runners repeat a single *4.17m* loop each hour until they stop. The course is mostly flat with one ravine hill and offers parking and space to camp.

A Backyard Ultra in Delmar IA on November 13, 2026 where runners complete a 4.16 mile loop each hour until one remains. Participants receive a 10x10 foot camp space, may bring 1 to 3 crew members, and registration is capped at 250.

Trail races in Pekin, Illinois on November 14, 2026, from about 3.5 miles up to 50 miles on a reversed 10 mile loop featuring creek crossings, roughly 1300 feet gain per loop, a 13 hour limit, and event apparel and medals.

Celebrate Thanksgiving with a 2 mile run through the wooded trails of Sheffield Illinois. Wear your best holiday costume for a chance to win prizes at this untimed community event.

A community Turkey Trot through Atwood Park near 5k with chipped timing, common trail obstacles and door prizes. No GPS or timing devices are allowed and donations are collected for local causes.

The 36th annual FOLEPI River Trail Classic in East Peoria features a 4 Mile competitive run and a 2 Mile non competitive walk, shirt and no shirt entry options, age group awards for the run, and a post race gathering at a local pizzeria.

Experience a cross country style trail race through the Timber Pointe Nature Center at Lake Bloomington. Choose between 4K and 8K loops or a three hour endurance challenge while supporting local nature conservation.

A four-race winter trail series in Dixon, Illinois, featuring events from 5K to 20K across mixed terrain. Individual race and full-series entry options are available, with series awards and completion apparel for multi-race finishers.

A looped trail event at Lowell Park in Dixon, IL on March 27, 2027 offering 33.75, 22.5, and 13.5 mile timed races plus a team relay, alternating 2.25 mile loops with on course aid and finisher items for those who complete within limits.

Trail races at Wildlife Prairie Park in Hanna City, Illinois with 5K and 10K loop courses on maintenance trails and single track. Day park admission is included and the event features awards, post race snacks, and volunteer opportunities.