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 bounderies.

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ENDURANCE SERIES EVENTS

TOUGH MUDDER INFINITY

TIME: 8 hours (Sat)

LAP DISTANCE: 5km & 15km

OBSTACLES: 13+

RECORD: 86km

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AMERICA’S TOUGHEST MUDDER

TIME: 12 hours (Sat-Sun)

LAP DISTANCE: 10km

OBSTACLES: 20+

RECORD: 100km

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WORLD’S TOUGHEST MUDDER

TIME: 24 hours (Sat-Sun)

LAP DISTANCE: 5 miles

OBSTACLES: 20+

RECORD: 115 mi.

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TIE IT ALL TOGETHER

HOLY GRAIL

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.