Trail Running calendar near St. Charles 2026-2027

Oakadoke Trail Runs in Valparaiso, IN features single track trails with varied terrain and pond views. Three distances are offered, aid stations are spaced along the route, and a post race meal is provided; the event is cupless.

The Casual Hikers 10K will take place in La Grange on Saturday 1 August 2026. You can run 10 kilometers.

Sequoit Sunrise 5K in Antioch Illinois is a community fundraiser race supporting the cross country program. The route starts and finishes at Antioch Community High School and runs through McMillen and Osmond Parks, with concessions and musi..

Night trail races in Dixon IL on a 5 mile loop with 5, 10, and 15 mile options plus a three person relay, one aid station, and a post race snack.

A continuous loop trail race at Deer Grove East Forest Preserve in Palatine IL offering 40 or 50 mile distances on a 3.1 mile loop with full aid support.

Loop-format trail event at Deer Grove East Forest Preserve offering distances from 5K to 50K plus continuous 40 mile and 50 mile challenges with central aid.

A retro 5K cross-country race by Fox River Trail Runners at Settler's Hill in Geneva. Entry fees are $10 for members and $12 for non-members, and proceeds support the course's preservation.

A community cross country event in Mount Prospect offering 1, 2 and 3 mile races. Entry is $25 and proceeds benefit the Little Giraffe Foundation.

Awarded OCR Buddy People's Choice, Highlander Assault in Pingree Grove IL offers 3K, 5K and 15K obstacle heats plus night and haunted 5K events.

Loop based endurance event at Busse Woods on August 15, 2026 offering repeated 3.1 mile laps over smooth crushed limestone and packed gravel. Distances range from 5K to 50K with a central aid station and open loop format.

Continuous 3.1 mile loop at Busse Woods near Elk Grove, IL offering 40 and 50 mile options with a fully stocked aid station every lap and a 12 hour cutoff. Runs alongside The Next Loop series but is scored separately.

Alumni cross country meet in Chicago Heights on August 15 2026 using the old 2 Miles course with decade-based teams, chip timing and place-based scoring.

Trail races of approximately 4, 9.5 and 13 miles at Paul Douglas Forest Preserve with water stations, age group awards and CAMBr as beneficiary.

Tough Mudder Chicago on August 29, 2026 at Richardson Adventure Farm offers 5K and 15K obstacle courses, an 8 hour Infinity option, and Mudder Village with food, music and finisher items.

A 10 hour endurance run at Bluhm County Park on August 29, 2026 with repeated 4 to 4.1 mile trail loops, hourly cutoffs, and a chip based prize system.

Continuous 40 and 50 mile loop race at Half Day Forest Preserve with 3.1 mile laps, stocked aid each lap, crew access, and a 12 hour limit.

Loop based trail event at Half Day Forest Preserve where runners repeat a 3.1 mile loop, stop after any loop with no penalty, and receive official timing for each completed loop for combined results.

A 6 km cross-country race at Lovelace Park in Evanston with scholastic races, team and individual entries, race shirts, awards, and a post-race gathering with food.

Trail 5K and 10K at Franklin Creek State Natural Area featuring creek crossings, hilly technical terrain, and proceeds benefitting the Franklin Creek Conservation Association.

Timed ultrarunning at Lapham Peak State Park with 24, 12 and 6 hour options plus a distance division for marathon and longer targets. One mile loop, chip timing, an aid station, and a cupless refill policy.