Each team of five is responsible for getting its teammates through mud, water and barbed wire.

Six new teams compete on one of the most demanding obstacle courses ever built for the chance to win $250,000.

Six teams compete in an obstacle-course race to win $250,000.

Six teams compete in an obstacle-course race to win $250,000

Round 2 action features six teams competing in an obstacle-course race to win $250,000.

Round 2 action features six teams competing in an obstacle-course race to win $250,000

The top six teams from the season vie for the top prize.