Mark James is a former US Navy Seal and Ironman triathlete competing in World's Toughest Mudder 2017, a 24 hour obstacle course race. As a 50 year old man, Mark proves age is just a number. Watch more World's Toughest Mudder stories: [ Ссылка ].
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Mark James is a navy seal instructor and former ironman triathlon athlete who is competing in the 24 hour obstacle course race, World's Toughest Mudder.
