ARE YOU TOUGH ENOUGH?
The Endurance Series ties our three most unforgiving events into the ultimate yearlong test of your toughness and grit.
Run as many laps of our legendary obstacle courses as you can in 8, 12, or 24 hours (with wickedly inventive penalties to book) to find just how far you can bend your boundaries.
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ENDURANCE SERIES EVENTS
TOUGH MUDDER INFINITY
![](https://tmstagingus.wpengine.com/wp-content/uploads/2023/09/Infinity_Logo_500px.png)
TIME: 8 hours (Sat)
LAP DISTANCE: 3-5 Mile & 10+ Mile
OBSTACLES: 12+
RECORD: 53 Miles
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![Infinity bib](https://toughmudder.com/wp-content/uploads/2023/09/infinity_bib.png)
![tough mudder infinity medal](https://toughmudder.com/wp-content/uploads/2024/04/Infinity_Gradient-Curved_Background.png)
![tough mudder infinity belt buckle](https://toughmudder.com/wp-content/uploads/2024/04/Inf_Belt_Buckle_Gradient-Curved_Background.png)
![Tough Mudder Infinity headband](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-4.png)
![](https://toughmudder.com/wp-content/uploads/2024/07/Toughest_Mudder_RGB_logo-no-text_380x450.png)
AMERICA’S TOUGHEST MUDDER
TIME: 12 hours (Sat-Sun)
LAP DISTANCE: 5 Miles
OBSTACLES: 20+
RECORD: 65 Miles
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![Toughest Mudder bib](https://toughmudder.com/wp-content/uploads/2023/09/infinity_brace.png)
![toughest mudder medal](https://toughmudder.com/wp-content/uploads/2024/04/Toughest_Gradient-Curved_Background.png)
![Toughest Mudder number patches](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-7.png)
![Toughest Mudder headband](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-6.png)
![](https://tmstagingus.wpengine.com/wp-content/uploads/2023/09/WTM_Logo_500px.png)
WORLD’S TOUGHEST MUDDER
TIME: 24 hours (Sat-Sun)
LAP DISTANCE: 5 miles
OBSTACLES: 20+
RECORD: 115 mi.
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![World's Toughest Mudder bib](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-12.png)
![world's toughest mudder medal](https://toughmudder.com/wp-content/uploads/2024/04/WTM_Medal_Gradient-Curved_Background.png)
![World's Toughest Mudder bib](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-8.png)
![World's Toughest Mudder shirt](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-13.png)
TIE IT ALL TOGETHER
HOLY GRAIL
![](https://toughmudder.com/wp-content/uploads/2023/09/Artboard-2-copy-10.png)
Each season we award the Holy Grail to every Mudder that manages to finish Tough Mudder Infinity, Toughest Mudder and World’s Toughest Mudder within a single year.
Up to the challenge? Follow along and get stuck in with our Holy Grail Hub.