Trail Running calendar near Crystal Lake 2026-2027

We have found 98 Trailruns within 80 miles of Crystal Lake. See below where and when you can find the races.

Experience the Bloomingdale Trail Run in Chicago featuring a timed 5K and short dashes for youth. This annual event offers a variety of distances on an urban trail for a family friendly day of running.

Timed 6 and 12 hour events on a 2 mile lakefront loop in Evanston with two aid stations, public water fountains, nearby parking, and a nonalcoholic finish beverage and finisher award.

The Emmy's Rustic Run will take place in Fort Atkinson on Saturday 26 September 2026. You can run 5 kilometers.

The Hustle Up the Hill will take place in Warrenville on Saturday 26 September 2026. You can run 30 texts.unit_min.

Backyard Nonsense is a timed trail event at Richard Bong State Recreation Area in Brighton WI offering 3 hour, 6 hour, 12 hour and 24 hour formats. The 24 hour options include a backyard loop format and a continuous 24 hour option; a 2026 p..

Join this trail event at Minooka Park featuring half marathon 10K and 5K distances. Participants can choose between running walking and rucking on a scenic course with shaded trails and a notable hill challenge.

October 2026

A point to point all-trail ultramarathon along the Hennepin Canal near Sterling Illinois offering 100 mile, 50 mile, 50K and a 100 mile team relay. Aid stations are every 3 to 7 miles and bus service to the start is available for a fee.

Trail events at Rock River Heritage County Park on October 3, 2026 include a timed 5K with chip timing and a guided 2.4 mile walk, plus a park celebration with music, food trucks, tastings, and raffles.

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 fall trail event at Lapham Peak State Forest featuring timed 5K and 10K runs, accessible walk options, and a free 1K Smokey Bear run for children age 10 and under; participant shirts, awards, and post-event treats are included.

A community 5k and a 54 yard dash on October 4, 2026 in Glendale with an out-and-back course on the Oak Leaf Trail. Registration includes all-day entry to Milwaukee's Original Oktoberfest at Old Heidelberg Park.

The Lockport Fire Foundation presents the second annual Fire Zone 5k, a community 5k run and walk on a marked loop of the Forest Preserve trail starting at Hassert Park. Registered participants present on race day receive a t shirt and fini..

Participate in a half marathon, 5K, or rucking event at Zachariah's Acres in Oconomowoc. Support nature based programs for children with special needs while exploring prairie trails and wildflowers.

A community 5K in Flossmoor with a parallel virtual 5K that raises funds and collects goods to support local families experiencing hidden homelessness and provide school supplies for homeless children.

A loop-based trail ultra in Eagle, Wisconsin offering 6, 12 and 20 hour formats for solo runners or relay teams up to four people, set on three mapped autumn loops through the Southern Kettle Moraine Forest.

Multiple endurance trail distances on a flat, crushed gravel section of the Des Plaines River Trail, starting and finishing at Half Day Forest Preserve in Lake County, Illinois. The marathon is a Boston Qualifier and the event runs each Oct..

A 5K timed race and an untimed 2K through the hilly 144-acre Camp Triangle Hills at Crossroads YMCA, held as part of Fall Fest with family activities like rock climbing, archery, tractor rides and a petting zoo.

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.

Nature-based out-and-back event in Roscoe, IL offering a 5K run or 2 mile walk on mixed gravel and crushed limestone, starting at Roscoe Middle School and passing a water station twice.

Trail races of about 5 miles and 10 miles through Veteran Acres and Sternes Woods in Crystal Lake, IL, with race shirts and finisher medals, a cup-less format, and a 3 hour 30 minute cutoff.

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