The Stubborn Mule
Saturday, June 28, 2025
Near Cable, WI
5-Hour Race, 12-Hour Race, 24-Hour Races
Disciplines & Distances
8 - 15 Miles
Biking
2 - 4 Miles
Trekking/Land Navigation
2 - 3 Miles
Paddling
Distances are subject to change. Actual distance depends on route choice and how many checkpoints your team attempts.
12-Hour
5-Hour
24-Hour
24 - 36 Miles
Biking
8 - 13 Miles
Trekking/Land Navigation
6 - 10 Miles
Paddling
45 - 65 Miles
Biking
15 - 20 Miles
Trekking/Land Navigation
12 - 20 Miles
Paddling
Divisions
Family
(2, 3, or 4-person team multi-generation team with at least one racer under 18 years)
Coed Premier
(3 or 4 person coed team)
Open Premier
(3 or 4 person same gender team)
2 Person Coed
2 Person Open
(same gender)
Solo Man
Solo Woman
Premier Divisions consist of the traditional 3 or 4 person team and receive the most awards.
Preliminary Schedule
May 18
Race Update #1
June 22
Race Update #2
June 27
Pre-race briefing video released by noon
June 28
5:45am - 12-hour check-in, receive race materials
6:45am - 12-hour race start (staggered)
7am - 24-hour check-in, receive race materials
8am - 24-hour race start (staggered)
10am - 5-hour Wave 1 check-in, receive race materials
10:30am - 5-hour Wave 1 final briefing
11am - 5-hour Wave 1 race start
11am - 5-hour Wave 2 check-in, receive race materials
11:30am - 5-hour Wave 2 final briefing
5-6pm - 5-hour race finish
7pm - 12-hour race finish
5:30-8pm - Post-race celebration
June 29
8-10am - 24-hour race finish + post-race celebration
Entry Fees
Super Early
(ends January 10)
5-Hour: $80 / racer
12-Hour: $150 / racer
24-Hour: $250 / racer
Early
(ends April 15)
5-Hour: $90 / racer
12-Hour: $160 / racer
24-Hour: $260 / racer
Regular
(ends June 1)
5-Hour: $100 / racer
12-Hour: $170 / racer
24-Hour: $270 / racer
Late
(ends June 15)
5-Hour: $120 / racer
12-Hour: $180 / racer
24-Hour: $280 / racer
Race fees include unique, professionally designed course by 180 Adventure, land use fees, maps, rental boats (including paddles and pfds), SportIdent ePunch timing, post-race food and drink, prizes, give-a-ways, and…. a weekend of racing on a brand new course!
24-Hour race fees include live tracking by Adventure Enablers.
Racers must also have an annual USARA membership or purchase a single-event license through RunSignUp.
Our Sponsors
This race is
part of...
Wisconsin Adventure
Racing Series
This race is part of the Wisconsin Adventure Racing Series, Wisconsin’s premier race series featuring adventure races throughout WI, MN, and IL, with cash prizes totaling over $2,000. There is no fee to join the series, simply race any of the events and you’ll be automatically signed up. The more races your team competes in, the better chance you’ll have of taking home prizes. Compete in teams of 2-4, or as a soloist, and see how you rank against others in the Midwest.
United States Adventure
Racing Association
USARA National Championship Points. All three races are part of the United States Adventure Racing Association (USARA) National Points Series. The 24-Hour Race is a USARA Regional Qualifier. The winning 24-hour coed 3/4-person team wins a guaranteed entry to the 2025 National Championship and an $800 credit toward their entry!
Adventure Racing
World Series
All teams in the 24-hour race premier division, coed 3/4-person, are eligible to compete for the free entry to the 2026 ARWS World Championship. These teams must have competed in at least one additional race in the North American Series in order to earn the free entry. At least two members from the winning team must be on the roster for the World Championship.
Anti-Doping Policies
As a USARA-sanctioned event, we adhere to USARA’s anti-doping policies. It is your (the athlete’s) responsibility to uphold the integrity of the competition and reputation of adventure racing as a clean sport through educated use of supplements, medicines, and other treatments and to understand what is permissible according to USARA standards. In addition to contributing to a level playing field for all competitors, USARA’s policies are designed to help athletes learn more about the medications, substances, and methods they use for the sake of long-term health.
We encourage you to spend some time reviewing USARA’s stance on the importance of Ant-Doping, educating yourself through their collection of helpful resources, and understanding the consequences of doping infractions (medicinal, supplemental, or mechanical) by reviewing USARA’s dedicated page to Anti-Doping here.
Refund Policy
Teams may cancel their registration by emailing us directly to coordinate refunds. Refunds will be based on the published entry fees and will not include Run Sign Up fees.
Teams looking to transfer their entry to another team may do so up to 1 week prior to race day, but teams are responsible for coordinating finances themselves and then communicating the team change to us directly.
Full refund: Through January 15, 2025. Minus registration fees.
Partial refund (75%): Through February 1, 2025. Minus registration fees.
Partial refund (50%): Through March 1, 2025. Minus registration fees.
No refund: After March 1, 2025
Additional Fees
Stubborn Fool is a USARA-sanctioned event. Racers must either have an annual USARA membership or purchase a single-event license through RunSignUp. When purchasing a single day membership, be sure to set your membership start date as race day: 12/28/2025
Annual membership is instrumental in sustaining USARA’s efforts to support the US-based AR community and host an annual National Championship. In addition to supporting the community as a whole and having single-event fees waived, annual membership includes access to ExpertVoice, an incredible resource for athletes that unlocks pro-deals to hundreds of name-brands.
For new racers, check out USARA's "New to Adventure Racing" database, a terrific collection of articles that will help you dive into the amazing sport of AR!
