Deer Grove Trail Half Marathon and 10K

Experience the scenic and fast Des Plaines River Trail in Lake County, IL with Half Marathon, Marathon, 50K or 50 Mile distances starting and finishing at Half Day Forest Preserve. Flat crushed gravel and brilliant fall color make it ideal..

Event details The event takes place on October 18, 2025 in Crystal Lake, IL. Distances offered: 10 mile - $69.00 5 mile - $47.00 Early bird pricing is available until July 30, 2025. Registration closes October 15, 2025 at 11:59 PM CT. Ent..

Join the Fancy Nonsense 25k or 50k for a whimsical trail ultra through Palos Trail System near Chicago, featuring runnable single track loops and full aid stations. Expect mischief, laughs, and a joyful return to the love of running.

Howl-o-ween 5k – Schaumburg takes place in Rolling Meadows, IL at Busse Woods. This pet-friendly 5k run/walk follows a scenic, paved, flat out-and-back Busse Woods Trail and is timed by J3 Timing with live results. The event supports animal..

ERC John Hennelly Public Cross Country Races are held at Lovelace Park in Evanston, IL. The event features a three-lap, 3.5-mile cross-country course that weaves hills, open fields and varied terrain, offering a challenging run for individu..

The Fast Track Cross Country Open is a 3.05-mile race held in Schaumburg, Illinois, on the MacNider cross country course near Hoover Elementary School. Scheduled for November 9, 2025, it features separate women's and men's races open to all..