Trail Running calendar near Rockford 2026-2027

This 5K run/walk takes place on the Rock Run Greenway Trail in Joliet, starting and ending at Cemeno's Pizza. All proceeds support local cancer patients through the Pat Clark Cancer Foundation. Registration includes a T-shirt and finisher m..

Blue Mound Trail Run on June 6, 2026 in Blue Mound State Park features 10K and 18K trail races on single-track and ski trails, and serves as a fundraiser for Friends of Blue Mound State Park.

Experience the natural beauty of St. Charles at the Hickory Knolls Trail Run, featuring 5K, 10K, and relay options on scenic grass and dirt forest pathways.

An annual trail ultra held each June with 100 mile, 100k, 50k and 38 mile options; much of the course runs on the Ice Age Trail. Registration for 2026 is by Ultrasignup lottery with a waitlist and early-invite options.

Experience an authentic cross country race on a purpose built grass course in Geneva Illinois. Run as an individual or part of a team on this wide professional grade venue featuring rolling terrain and a classic atmosphere.

Experience the glacial landscapes of Wisconsin at the Whitewater Trail Challenge. Run along the historic Ice Age Trail with 10K, Half Marathon, and 50K distances starting from the scenic Rice Lake Nature Trail.

Experience the natural beauty of Wolf Road Woods with 3, 6, or 9 mile trail runs on a scenic loop course. Enjoy a relaxed atmosphere featuring off road terrain and post race celebrations in the heart of the Palos Trail System.

This cross country run on July 4th in Williams Bay offers a 5K on grass trails through the Kishwauketoe Nature Conservancy. A kids' quarter-mile event is also available. Registration is online only, with awards for top age-group finishers.

This 10k walk/run explores the trails of Kettle Moraine State Forest in Wisconsin. It's a cup-less event with water refills and snacks provided. A portion of donations supports The Salvation Army.

A night trail event in Dixon, IL with looped courses of about 5 miles per lap, options for single runners or three‑person relays, on mixed grass, gravel, and dirt trails.

Experience a Scottish themed obstacle course race in Pingree Grove featuring 15k, 5k, and family 3k distances. Challenges include classic rigs and unique tasks like archery and caber carries in a Highland setting.

This annual community event in Sun Prairie features a 5k race and a kids' fun run, with a course on neighborhood bike paths. Proceeds go directly to support the local high school cross country team.

Experience the beauty of New Glarus Woods State Park with trail races ranging from 5k to 16k. This annual event features forested loops and prairie views while supporting park conservation efforts.

At Blackhawk Ski Club in Middleton, WI, Run The Hawk is a lap-based trail event with 3, 6 and 12 hour challenges plus a 1.7 mile fun run, featuring singletrack, a major climb, on-course aid and relay team options.

Experience the scenery of Elburn at Run the Rails featuring 1-mile, 4-mile, and 7-mile courses. Cross the Union Pacific West rail line and enjoy unique views of the Illinois countryside.

The Summer Trail Classic offers three distances on the single-track trails of Paul Douglas Forest Preserve. It's the third race in a yearly trail series, with proceeds supporting local trail maintenance. Participants receive a running vest..

Tough Mudder Chicago on August 29, 2026 at Rockford International Airport offers 5K, 15K and an eight hour Infinity format across fields, trails and creek crossings, with Mudder Village, finisher items, and group and volunteer options.

A technical trail event at Franklin Creek State Natural Area featuring 5K and 10K routes with multiple hills, limestone bluffs, creek crossings, and a rucking option. Proceeds support the Franklin Creek Conservation Association.

Take on a scenic one mile loop at Lapham Peak with 24, 12, and 6 hour timed options or set distance goals like a marathon or 50 miles. Lighted night laps, a stocked aid station, and a welcoming club vibe make every lap count.

USATF certified half marathon and 10K on crushed limestone trails at Danada Forest Preserve in Wheaton, IL, with finisher medals, chip timing, pacers and a virtual option.