Washington Island Ultra – Washington Island, WI 2026

REGISTERING FOR THE RACE Registration links to everyone who is on the waitlist or has raced the last two years will be emailed out on August 1st. If you'd like to join the waitlist, please email craig@mammothendurance.com with your First Name, Last Name and desired email address. Please note: This race typically sells out within the first 24 - 48 hours of opening. If you'd like to race, you need to join the waitlist and register ASAP on August 1st to claim your spot. If you're racing as a team, your entire team will need to register ASAP to get on the team. RACE DESCRIPTION The Washington Island Ultra is a race we hold near and dear to our hearts. My wife and I stumbled upon the Island in 2014 and have been passionate about this place ever since. We held the first Washington Island Ultra in 2016 with 25 racers. Since year one, we've welcomed 150 athletes from around the globe to the Island every July. We treat everyone who races with us like family. We're here to help you reach the goa