Logo

Dirt Circus - Chicago

Crystal Lake, United States • 13 Sep 2025

Dirt Circus Chicago is a one-day, free community trail-running festival in the Chicago area, organized by UltraSignup. The event blends a casual social run with a pop-up expo featuring local race directors, brands, shops, and coaches. Participants choose between two routes, approximately 4.5 miles or 7 miles, designed for runners of all levels.

The festival atmosphere includes on-site vendors, samples, a raffle, and post-run food and drinks, plus preordered exclusive Dirt Circus shirts. The cupless event offers water refills, and dogs are not allowed except service animals. Local partner: The Running Depot in Crystal Lake, IL.

Brand partners include Skratch Labs and Sidas. Visit the organization's website for the most recent information.

United States Illinois Crystal Lake

Race information

Website Registration
7 mi
7 Miler
5 mi
4.5 Miler
Visit the organization's website for the most recent information.
Trail runs nearby

Fast Track Cross Country

Schaumburg - 18 mi from Crystal Lake

Run the MacNider cross country course in Schaumburg on Nov 9 at the Fast Track Cross Country Open, with separate men's and women's races over a scenic 3.05 mile looped grass course. A great fall test for solo racers and teams alike.

Big Timber XC Challenge

Elgin - 14 mi from Crystal Lake

Tackle rugged trails and a fun creek crossing at the Big Timber XC Challenge in Elgin. Choose 3 mile, 5 mile or a kids fun run, enjoy pancakes and a finisher woodallion, and support local youth organizations.

Abominable Trail Race

Lake Geneva - 25 mi from Crystal Lake

Run scenic trails at the Abominable Trail Race in Lake Geneva on November 15 with 5K, 15K and 30K distances plus team relay. Celebrate at Base Camp with live music, food trucks, local beer and cozy fire pits.

50k Mashup Slam

Crystal Lake

Take on the 50K MASHUP SLAM, a Midwest trail series that spans eight scenic events and rewards runners who finish five races with a special finisher buckle. Top series placers earn awards at the final G.O.A.T.z or Miner 49'er event.

Frozen Gnome

Crystal Lake

Challenge winter single track trails at Veteran Acres and Sterne's Woods in Crystal Lake on a triple black diamond course offering 50K, 10K and relays. The 50K is five laps of a 10K loop with a warm Gnome Depot serving hot food and coffee.

Fox Valley Winter Challenge Trail Series

St. Charles - 22 mi from Crystal Lake

Tackle winter trails in the Fox Valley with a three part Challenge Series featuring a 5K in Batavia, 8K in Aurora and 10K in St Charles across Jan to Mar. Register single or as a bundle and earn upgraded swag for multiple races.