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Tough Guy Challenge
Competitors navigate the water tunnel section during the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire...
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Adventurers Senior man. walking through small stream river of waterfall in the forest. Adventures and extreme tourism, overcoming obstacles. Travel Lifestyle and success concept. Video Slow motion
Adventurers Senior man. walking through small stream river of waterfall in the forest. Adventures and extreme tourism, overcoming obstacles. Travel Lifestyle and success concept. Video Slow motion
Getty Images
Adventurers Senior man. walking through small stream river of waterfall in the forest. Adventures and extreme tourism, overcoming obstacles. Travel Lifestyle and success concept. Video Slow motion
Adventurers Senior man. walking through small stream river of waterfall in the forest. Adventures and extreme tourism, overcoming obstacles. Travel Lifestyle and success concept. Video Slow motion
Getty Images
Tough Guy Challenge
Competitors scale the 160ft 'Tiger' obstacle during the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire...
Getty Images
Tough Guy Challenge
Competitors scale the 160ft 'Tiger' obstacle during the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire...
Getty Images
Tough Guy Challenge
Competitors at the start of the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire and ice. (Footage by Mike...
Getty Images
Tough Guy Challenge
Competitors navigate the water tunnel section during the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire...
Getty Images
AERIAL Equestrian obstacle courses, Stade, Lower Saxony, Germany
AERIAL Equestrian obstacle courses, Stade, Lower Saxony, Germany
Getty Images
General Eisenhower watches Dutch army complete maneuvers
/ Dutch army practicing maneuvers / large tank rolls along / General Dwight Eisenhower smiles as he watches the proceedings. General Eisenhower watches Dutch army complete maneuvers on May 14, 1951 in Netherlands (Footage by Getty Images)
Getty Images
A corps of U.S. Marines train with bayonets in a boot camp.
A corps of U.S. Marines train with bayonets in a boot camp.
Getty Images
Adventurers Senior man. walking through small stream river of waterfall in the forest. Adventures and extreme tourism, overcoming obstacles. Travel Lifestyle and success concept. Video Slow motion
Adventurers Senior man. walking through small stream river of waterfall in the forest. Adventures and extreme tourism, overcoming obstacles. Travel Lifestyle and success concept. Video Slow motion
Getty Images
Tough Guy Challenge
Competitors tackle the 'Dragon Pool' rope section during the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures,...
Getty Images
Tough Guy Challenge
Competitors scale the 160ft 'Tiger' obstacle during the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire...
Getty Images
Tough Guy Challenge
Tough Guy Challenge on January 27, 2013 in Telford, England (Footage by Getty Images)
Getty Images
Tough Guy Challenge
Tough Guy Challenge on January 27, 2013 in Telford, England (Footage by Getty Images)
Sherman Grinberg Film Library
Quare Times wins Grand National at Aintree Racecourse as royal family members look on
Title card, "Grand National 100-9 shot wins at Aintree" / The grandstands with scores of umbrellas; people's feet walking through puddles / An elevated shot of Elizabeth II, Princess Margaret, and the Queen Mother arriving; the queen...
Hearst Metrotone News
Members of the Women's Army Corps run an obstacle course.
Members of the Women's Army Corps run an obstacle course.
Sherman Grinberg Film Library
Caughoo beats 57 other horses to win Grand National
Title card: "World's toughest horse race! 100-1 shot wins England's Grand National!" / The grandstands at Aintree Racecourse in the rain / A high elevation view of the crowd with a few umbrellas / The 'tote' tower listing fifty-seven of...