Race Website: https://www.mammothendurance.com
* this race website is the ONLY place you will find authentic details for the Wisconsin ANVIL.
MAMMOTH ENDURANCE
We Organize The Longest Triathlons In The USA. From the 1.5x distance ANVIL (210.9 miles) to the DECA ANVIL (1,406 miles), there's a distance for everyone who wants to push further and find out more about themselves. If you need that extra nudge, call one of us. Our phone numbers are listed on the website. For a lot of you, this is the step that will open up a brand new life of possibilities and allow you to see yourself as you should. You can do more than you think you can. The biggest step is signing up. Yea, it'll tear you down... Yea, it'll be worth it.
The Best of the Best
Mammoth Endurance is the premier race company organizing races longer than an Ironman Distance Triathlon. We cut no corners. You can expect a high level event with attention to the smallest of details. We have over 45 years of experience producing ultra triathlons, adventure races, ultra runs, 5Ks, marathons, sprint and olympic distance triathlons, and everything in between. It takes a different kind of Race Director and Race Crew to pull off the events we do year after year. Our team is the best, period. We work tirelessly to stand behind that sentence and we're proud of that. You can feel confident knowing the event will run smoothly. Your job is to race, and that's all you'll need to worry about. Let's get it done.
