The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

The search is on for 10 Americans who will travel to Japan and show that they have the strength, stamina and the guts to make the ultimate ascent to total victory.

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

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

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

Midwest competitors try to qualify for the national contest.

Midwest competitors try to qualify for the national contest.

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.

Athletes from the Northeast compete.

Athletes from the Northeast compete.

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

Contestants from the Northwest compete.

Contestants from the Northwest compete.

The top 30 Northwest finishers compete.

Competitors from the Midsouth region.

Competitors from the Midsouth region.

The top 30 Mid-south competitors compete.

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

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