Wisconsin ANVIL Ultra Triathlon
Event summary
With over 45 years of experience in organizing ultra triathlons, Mammoth Endurance guarantees a top-notch event with meticulous attention to detail, ensuring a smooth and enjoyable race day experience. This is more than just a race; it’s an opportunity to push your limits and discover the extraordinary strength within you. Whether you're a seasoned triathlete or venturing into ultra distances for the first time, the Wisconsin ANVIL is your chance to embark on a transformative journey. Don't miss out on this chance to redefine your limits and embrace a new chapter of athletic achievement!
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Reviews
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Races
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Solo Triple ANVIL (3x)
Incl. $73.00 Fee & Official ANVIL Event T-shirt
7.2 Mile Open Water Swim 336 Mile Bike 78.6 Mile Run
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$1,873.00
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Solo Double ANVIL (2x)
Incl. $49.00 Fee & Official ANVIL Event T-shirt
4.8 Mile Open Water Swim 224 Mile Bike 52.4 Mile Run
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$1,249.00
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Solo 1.5x ANVIL (1.5x)
Incl. $49.00 Fee & Official ANVIL Event T-shirt
Entries closedThursday, Sep 11, 2025 (8:00 AM CDT)
$1,249.00
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Solo Single ANVIL (1x)
Incl. $43.50 Fee & Official ANVIL Event T-shirt
2.4 Mile Open Water Swim 112 Mile Bike 26.2 Mile Run
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$893.50
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Solo 1x5 (1 per day)
Incl. $111.00 Fee & Official ANVIL Event T-shirt
7am start to 7am finish daily. 12 Mile Open Water Swim 560 Mile Bike 131 Mile Run
Entries closedMonday, Sep 8, 2025 (7:00 AM CDT)
$2,861.00
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Solo 1x3 (1 per day)
Incl. $73.00 Fee & Official ANVIL Event T-shirt
7am start to 3am finish daily. 7.2 Mile Open Water Swim 336 Mile Bike 78.6 Mile Run
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$1,873.00
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Relay - Quintuple ANVIL (5x)
Incl. $61.00 Fee & Official ANVIL Event T-shirt
12 Mile Open Water Swim 560 Mile Bike 131 Mile Run
Entries closedMonday, Sep 8, 2025 (7:00 AM CDT)
$1,561.00
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Relay - Triple ANVIL (3x)
Incl. $41.00 Fee & Official ANVIL Event T-shirt
7.2 Mile Open Water Swim 336 Mile Bike 78.6 Mile Run
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$1,041.00
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Relay - Double ANVIL (2x)
Incl. $38.50 Fee & Official ANVIL Event T-shirt
4.8 Mile Open Water Swim 224 Mile Bike 52.4 Mile Run
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$788.50
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Solo Quintuple Aquavelo
Incl. $111.00 Fee & Official ANVIL Event T-shirt
12 Mile Open Water Swim 560 Mile Bike
Entries closedMonday, Sep 8, 2025 (7:00 AM CDT)
$2,861.00
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Solo Triple Aquavelo
Incl. $73.00 Fee & Official ANVIL Event T-shirt
7.2 Mile Open Water Swim 336 Mile Bike
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$1,873.00
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Solo Double Aquavelo
Incl. $49.00 Fee & Official ANVIL Event T-shirt
4.8 Mile Open Water Swim 224 Mile Bike
Entries closedThursday, Sep 11, 2025 (7:00 AM CDT)
$1,249.00
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Solo Quintuple Duathlon
Incl. $111.00 Fee & Official ANVIL Event T-shirt
560 Mile Bike 131 Mile Run
Entries closedMonday, Sep 8, 2025 (8:00 AM CDT)
$2,861.00
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Solo Triple Duathlon
Incl. $73.00 Fee & Official ANVIL Event T-shirt
336 Mile Bike 78.6 Mile Run
Entries closedThursday, Sep 11, 2025 (8:00 AM CDT)
$1,873.00
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Solo Double Duathlon
Incl. $49.00 Fee & Official ANVIL Event T-shirt
224 Mile Bike 52.4 Mile Run
Entries closedThursday, Sep 11, 2025 (8:00 AM CDT)
$1,249.00
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Solo Quintuple ANVIL (5x)
Incl. $111.00 Fee & Official ANVIL Event T-shirt
12 Mile Open Water Swim 560 Mile Bike 131 Mile Run
Entries closedMonday, Sep 8, 2025 (7:00 AM CDT)
$2,861.00
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Solo Half ANVIL
Incl. $28.50 Fee & T-Shirt
Entries closedThursday, Sep 11, 2025 (8:00 AM CDT)
$578.50
Organiser's description
* 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.
Location
Ottawa Lake Recreation Area, Dousman, 53118, WI, United States
Wisconsin ANVIL Ultra Triathlon
Event data
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