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Reinforcing The Endless Pursuit Of Self Realization

Since 1985 | Home of the original Ultra-Triathlon.

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Welcome to MAMMOTH!

Floria ANVIL
Florida ANVIL Ultra Triathlon
February 20 - 23, 2025
Clermont, FL • Lake Louisa State Park

Double World Championships + 1.5x / 1x
Floria ANVIL
Wisconsin ANVIL Ultra Triathlon
September 4 - 20, 2024
Dousman, WI • Ottawa Lake State Park

10x / 5x / 4x / 3x / 2x / 1x
Floria ANVIL
Washington Island Ultra Relay
July 25 - 27, 2024
Washington Island, WI • Gislason Beach

36 / 24 / 12 Hour Format
Floria ANVIL
Virginia ANVIL Ultra Triathlon
October 10 - 13, 2024
Spotsylvania, VA • Lake Anna State Park

2x / 1x
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FILMS

Award winning films. We tell stories - vulnerable, incredible, inspiring stories.

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Florida ANVIL

You Were Born To Be Different.

We speak to the men and women who lead uncommon lifestyles while striving for bigger, bolder goals. We learn from their mistakes, their successes and find inspiration to continue refining ourselves into who we strive to be.

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@MAMMOTHENDURANCE

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OFFICIAL MAMMOTH GEAR

There's more to life than training and finishing a race. Wear our gear as a reminder to work hard for what you want. To care of the people around you and place their needs above your own. Finish what you start, be a person of character and live with intention and integrity. The race is only a small part of your story.
Go on, leave your legacy.

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MAMMOTH PARTNERS

USA Triathlon
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Hammer Nutrition
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