Season 4 (2012)

Southwest Qualifying Round (1)
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May 20, 2012 • 1h

People from the Southwest compete for a chance at the world's most difficult obstacle course.

Southwest Qualifying Round (2)
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May 20, 2012 • 1h

People from the Southwest compete for a chance at the world's most difficult obstacle course.

Southwest Regional Finals
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May 22, 2012 • 1h

The top 30 finishers from the Southwest qualifying round take on an even more challenging obstacle course to advance to the national finals.

Midwest Regional Qualifying Round (1)
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May 27, 2012 • 1h

Midwest competitors try to qualify for the national contest.

Midwest Regional Qualifying Round (2)
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May 27, 2012 • 1h

Midwest competitors try to qualify for the national contest.

Midwest Regional Finals
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May 21, 2012 • 1h

The top 30 qualifiers compete for a chance to move on to the national finals and tackle a harder course in hope of getting the $50,000 prize.

Northeast Regional Qualifying Round (1)
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May 28, 2012 • 1h

Athletes from the Northeast compete.

Northeast Regional Qualifying Round (2)
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May 29, 2012 • 1h

Athletes from the Northeast compete.

Northeast Region Finals
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June 3, 2012 • 1h

The top 30 Northeast finishers take on a more challenging course.

Northwest Regional Qualifying Round (1)
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June 3, 2012 • 1h

Contestants from the Northwest compete.

Northwest Regional Qualifying Round (2)
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June 4, 2012 • 1h

Contestants from the Northwest compete.

Northwest Regional Finals
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June 5, 2012 • 1h

The top 30 Northwest finishers compete.

Midsouth Regional Qualifying Round (1)
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June 10, 2012 • 1h

Competitors from the Midsouth region.

Midsouth Regional Qualifying Round (2)
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June 10, 2012 • 1h

Competitors from the Midsouth region.

Midsouth Regional Finals
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June 11, 2012 • 1h

The top 30 Mid-south competitors compete.

Southeast Regional Qualifying Round (1)
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June 12, 2012 • 1h

Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course.

Southeast Regional Qualifying Round (2)
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June 17, 2012 • 1h

Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course.

Southeast Regional Finals
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June 17, 2012 • 1h

The top 30 Southeast finishers compete on a more challenging course..

Las Vegas Finals (1)
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June 18, 2012 • 1h

One hundred competitors attempt the most-difficult obstacle course.

Las Vegas Finals (2)
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June 19, 2012 • 1h

Stage 1 of the most-difficult obstacle course continues.

Las Vegas Finals (3)
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June 24, 2012 • 1h

Stage 1 of the most difficult obstacle course continues.

Las Vegas Finals (4)
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June 24, 2012 • 1h

Stage 1 of the 8 obstacle course will challenge even the most skilled competitors.

Las Vegas Finals (5)
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June 25, 2012 • 1h

Top finishers challenge Mount Midoriyama.

Las Vegas Finals (6)
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June 26, 2012 • 1h

Ultimate challenges including the Spider Flip and the Double Salmon Ladder.

Best of Southwest
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July 8, 2012 • 1h

Previously unseen footage includes top finishers from preliminary rounds tackling a challenging obstacle course.

Best of the Midwest
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July 8, 2012 • 1h

Competitors face a challenging obstacle course in hope of landing a spot in the finals.

Best of Northeast
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July 8, 2012 • 1h

Top contenders tackle a challenging obstacle course in hope of moving to the final round.

Best of Northwest
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July 9, 2012 • 1h

Competitors face a challenging obstacle course in hope of landing a spot in the finals.

Best of Midsouth
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July 10, 2012 • 1h

Athletes face the eight obstacles of Stage 1 in Las Vegas.

Best of Southeast
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July 16, 2012 • 1h

Finalists take on a four-stage course. Challenges include a "jumping spider" and a "spinning bridge."

Best of the Finals (1)
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July 17, 2012 • 1h

Athletes compete in the finals in Las Vegas.

Best of the Finals (2)
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July 24, 2012 • 1h

Top finishers from the regionals advance to the final round.