Trail Running calendar near Griffith 2026-2027

A 3.62-mile all-grass cross-country race at Lovelace Park in Evanston with individual and team entries, tiered entry fees by registration period, a performance shirt with entry, and a post-race awards gathering with food.

Two USATF certified distances on crushed limestone trails through Danada Forest Preserve in Naperville, IL, with chip timing, finisher medals, shuttle parking, and a virtual option.

A timed urban ultra at Horner Park offering 3, 6, and 12 hour options on a short paved loop. Hourly playful challenges, a single aid station, and two- or four-person relay options add variety.

Cornell Days 5k and 1 Mile Fun Run/Walk is a family friendly event at Clinton Keith Mills Memorial Park with an out and back county road course and a postrace breakfast cookout.

An obstacle course race at Indiana Dunes National Park on September 13, 2026, featuring 10k, 5K and a K9 3.1-mile event. The course uses varied landscapes to reflect terrains associated with military service.

Midwest OCR in Marseilles, Illinois features 5K and 10K obstacle courses, ruck options, a kid's loop, and a multi-lap Bearded Challenge, with finisher shirts, medals, and professional photos included; elite divisions award podiums and cash..

A loop-based running event at Limestone Park offering 8 hour and 4 hour races on a 1.65 mile course with mixed crushed limestone and asphalt terrain. Scoring is by completed loops and proceeds support local organizations.

A community road and trail event at Moraine Hills State Park offering 5K, 10K and half marathon distances with in person and virtual options Sept 1 to 27, 2026. Proceeds support the Friends of Moraine Hills State Park.

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.

A timed 6 hour and 12 hour event on a 2 mile lakefront loop in Evanston that passes Northwestern University's campus. The race includes two aid stations, public fountains, handmade finisher awards, and a non alcoholic Hop Water for finisher..

A 30 minute run or walk up Mt. Hoy at Blackwell Forest Preserve on September 26, 2026. Entry fees support Bridge Communities to house a family for two years while they work toward self sufficiency.

Multiple trail distances run on a 4 mile loop at Tryon Farm with grassy fields, singletrack and short pavement. Proceeds benefit the Tryon Farm Institute and the event is part of the Crazy Legs Race Series.

A community trail event in Valparaiso with a single-loop 5K and a two-loop 30K team relay hosted by local firefighters, featuring chip timing, aid stations, and team results.

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..

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.

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..

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 timed trail event at St. Patrick's County Park in South Bend offering 24 hour, 12 hour, and 6 hour formats on mostly dirt and grass trails. Park amenities are available and proceeds benefit the ALS community.

October 17, 2026. A trail race in Crystal Lake, IL with 5 mile and 10 mile options on single-track trails through Veteran Acres and Sternes Woods, cup-less aid, and a 3 hour 30 minute cutoff.

A fall event at Richardson Adventure Farm in Spring Grove, IL featuring 5K and 10K courses through the corn maze and farm, a family 1-mile run for children, and a kids 100m dash with ribbons for finishers.