Trail Running calendar near Kildeer 2026-2027

An overnight loop endurance event at the Pinetum in Lowell Park, Dixon IL. Runners choose 6, 12 or 24 hour formats on an approximately 0.411 mile paved loop and self track laps; solo and three person relay options available.

A daylong, in-person endurance event where runners complete a marathon by running 1.09 miles every hour and resting on site between efforts, with camping allowed and a finisher medal awarded.

A mixed relay in Brookfield with four 3K legs per team and an optional 6K two person relay. Entry is $25 or $20 for USATF members and proceeds support the Brookfield Central Cross Country team.

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..

A nighttime trail event in Dixon IL with looped courses including 15 mile, 10 mile, 5 mile and a three person relay. The course mixes grass, gravel and dirt and features a single aid station at the start finish.

Continuous 3.1 miles loop race at Deer Grove East offering 40 or 50 mile options with a 12 hour cutoff. Centralized aid every lap, designated crew access, pacers allowed, and on-course medical support.

Loop-based trail event at Deer Grove East Forest Preserve in Palatine, Illinois. Distances run from 5K to 50K and each lap returns to a central aid station so athletes can decide how far to continue.

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.

A Scottish Highlander themed obstacle race in Pingree Grove Illinois offering open and competitive 5k and 15k heats plus a family 3k. Night and haunted 5k variants are offered and finishers receive a medal and t shirt.

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.

A free alumni 2 Mile cross country meet on 08/15/2026 in Chicago Heights that uses chip timing and decade-based teams and head-start groups, with team scoring based on finishing place.

Trail running at Paul Douglas Forest Preserve with approximate 4, 9.5 and 13 mile courses on single-track trails. Part of the Dick Pond Athletics Darn Tough Trail Race Series and benefiting the Chicago Area Mountain Bikers.

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 in Westville, IN, on an about 4 mile trail loop. Runners must complete each loop within the hour, earn chips for prize tables, and receive a limited edition t-shirt and wooden medal.

A continuous loop trail race at Half Day Forest Preserve near Vernon Hills, Illinois. Runners complete repeated 3.1 mile loops toward a 40 or 50 mile total with a 12 hour cutoff and a fully stocked aid station each lap.

Looped trail event at Half Day Forest Preserve in Vernon Hills with a 5K loop and multiple distance options. The course runs on crushed limestone, gravel, and natural trails through woodlands, prairies, and riverfront scenery.