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Best of Tough Mudder

With no podiums, winners or clocks to race against, Tough Mudder's 10-12 mile mud and obstacle course tests your physical strength, stamina and mental grit.

SI Staff

Best of Tough Mudder
Best of Tough Mudder /

Best of Tough Mudder

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John Minchillo/AP
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Michael Nagle/Bloomberg via Getty Images
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Bruce Bennett/Getty Images
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Michael Nagle/Bloomberg via Getty Images
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Bruce Bennett/Getty Images
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Quinn Rooney/Getty Images
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Shirlaine Forrest/Getty Images
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Quinn Rooney/Getty Images
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Shirlaine Forrest/Getty Images
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Shirlaine Forrest/Getty Images
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Jens Meyer/AP
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Bruce Bennett/Getty Images
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Quinn Rooney/Getty Images
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Zuma Press/Icon Sportswire
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Shirlaine Forrest/Getty Images
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Michael Nagle/Bloomberg via Getty Images
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Bruce Bennett/Getty Images
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Ryan Pierse/Getty Images
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Shirlaine Forrest/Getty Images
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Quinn Rooney/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Ryan Pierse/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Shirlaine Forrest/Getty Images
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Mike Lawrie/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Mike Lawrie/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Stan Grossfeld/The Boston Globe via Getty Images
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Bruce Bennett/Getty Images
2013-Tough-Mudder-Scotland-GettyImages-177579971_master.jpg
Jeff J Mitchell/Getty Images
2011-Tough-Mudder-Englishtown-GettyImages-133333257_master.jpg
Michael Nagle/Bloomberg via Getty Images
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Ryan Pierse/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Jeff J Mitchell/Getty Images
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Bruce Bennett/Getty Images
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Ryan Pierse/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Mike Lawrie/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Bruce Bennett/Getty Images
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Tony Ding/Icon Sportswire
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Bruce Bennett/Getty Images
2014-Tough-Mudder-Germany-AP_944171534195.jpg
Jens Meyer/AP
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Bruce Bennett/Getty Images
2014-Tough-Mudder-Phillip-Island-Australia-480116821.jpg
Quinn Rooney/Getty Images
2012-Tough-Mudder-Sydney-152657954.jpg
Ryan Pierse/Getty Images
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Bruce Bennett/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Justin Setterfield/Getty Images
2013-Tough-Mudder-Gerrardstown-WV-450r118130420001_Tough_Mudder.jpg
Zuma Press/Icon Sportswire
2013-Tough-Mudder-Gerrardstown-WV-450r118130420016_Tough_Mudder.jpg
Zuma Press/Icon Sportswire
2013-Tough-Mudder-Scotland-GettyImages-177583087_master.jpg
Jeff J Mitchell/Getty Images
2013-Tough-Mudder-Seneca-Hunt-Club-GettyImages-169671132_master.jpg
Stan Grossfeld/The Boston Globe via Getty Images
2013-Tough-Mudder-Seneca-Hunt-Club-GettyImages-169671146_master.jpg
Stan Grossfeld/The Boston Globe via Getty Images
2013-Tough-Mudder-Seneca-Hunt-Club-GettyImages-169671152_master.jpg
Stan Grossfeld/The Boston Globe via Getty Images
2014-Tough-Mudder-Germany-77b735d2c9894ebf92c8df0afeb629b6-0.jpg
Jens Meyer/AP
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Jens Meyer/AP
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Jens Meyer/AP
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Justin Setterfield/Getty Images
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Justin Setterfield/Getty Images
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Justin Setterfield/Getty Images
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Justin Tallis/AFP/Getty Images
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Justin Setterfield/Getty Images
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Justin Setterfield/Getty Images
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Justin Setterfield/Getty Images
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Tolga Akmen/Anadolu Agency/Getty Images
2014-Tough-Mudder-Phillip-Island-Australia-480116459.jpg
Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
2014-Tough-Mudder-Westbrook-Maine-GettyImages-454038852_master.jpg
Gabe Souza/Portland Press Herald via Getty Images
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Quinn Rooney/Getty Images
2014-Tough-Mudder-Phillip-Island-Australia-480124391.jpg
Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
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Quinn Rooney/Getty Images
2014-Tough-Mudder-Westbrook-Maine-GettyImages-454038054_master.jpg
Gabe Souza/Portland Press Herald via Getty Images
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Gabe Souza/Portland Press Herald via Getty Images
2014-Tough-Mudder-Phillip-Island-Australia-480131337.jpg
Quinn Rooney/Getty Images
2014-Tough-Mudder-Westbrook-Maine-GettyImages-454039104_master.jpg
Gabe Souza/Portland Press Herald via Getty Images
2015-Tough-Mudder-Westbrook-Maine-GettyImages-490423028_master.jpg
Derek Davis/Portland Press Herald via Getty Images
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Ryan Pierse/Getty Images
2015-Tough-Mudder-Westbrook-Maine-GettyImages-490423030_master.jpg
Derek Davis/Portland Press Herald via Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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Ryan Pierse/Getty Images
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