Course
Two short, steep trail courses at Robinette's Trails in Grand Rapids, Michigan, starting at 9:00am: Short & Brutal (3.1 miles) or Long & Difficult (3.4 miles). Runners pick one course on entry; the organisers bill it as the toughest 5K in the country.
Short & Brutal5 km
Long & Difficult3.4 km
Key dates
- !RegistrationOpen now
- !Entries closeWed 11 Nov 2026 · in 3 weeks
- ★Race daySat 14 Nov 2026
Date confirmed with the organiser · entry window checked by RunCalendar
About
The Dirty Duel is the only trail race in the U.S. that offers you a choice of courses: Short & Brutal (3.1 miles/5K) or Long & Difficult (3.4 miles). Choose your own adventure!
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Save The Dirty Duel to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save The Dirty Duel to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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