Toughest Mudder Chicago
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (August 29, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
Toughest Mudder Chicago, held in Rockford, is a 12-hour obstacle endurance event starting at 8:00 p.m. on August 28, 2027. It calls for teamwork and mental toughness, with multiple laps of obstacles to tackle.
Participants can compete individually or as a relay in teams of two or four. After the effort, the Mudder Village Festival offers entertainment, local food and games in a friendly atmosphere.
Prepare for Toughest Mudder Chicago with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Races nearby
Other upcoming races around Rockford.
Stroll on State Dasher Dash 5k
Nov 28, 2026 · Rockford, IL · 6 mi away
3.1 mi
Shamrock Beer Run - Rockford
Mar 13, 2027 · Rockford, IL · 6 mi away
3.1 mi
Rockford Fire 911 3K Run
Jun 5, 2027 · Rockford, IL · 6 mi away
1.9 mi
Frontline OCR
May 22, 2027 · Byron, IL · 11 mi away
1 mi · 6 mi
Harlem Huskie Hustle 5K, 1 Mile Walk/Run AND Kids Fun Run
May 15, 2027 · Machesney Park, IL · 12 mi away
3.1 mi · 1 mi · 400 m
Turkey Trot 5K / Belvidere North Music Boosters
Nov 7, 2026 · Belvidere, IL · 14 mi away
3.1 mi