Eleven teams of 2 travel from Gloucester, Massachusetts to Eastnor, Great Britain. The first team to check in at the Pit Stop wins an Express Pass, which allows them to skip one task of their choice at any point in the next seven legs of the race. Written by Allister Coots

The ten remaining teams travel from Eastnor, Great Britain to Accra, Ghana. Some of the teams' chances of staying in the race are threatened by frustrating challenges and unfortunate taxi rides. As teams struggle to complete a high-stakes Road Block, hindered by the playful locals, the winners of the previous leg consider using their Express Pass. Written by Allister Coots

The nine remaining teams stay in Ghana as they travel from Accra to Dodowa. The sweltering African heat pushes one person into a medical emergency that threatens their team's position in the race.

The nine teams travel from the suffocating heat of Dodowa, Ghana to the shivering Arctic cold on the border of Sweden and Norway.

The eight remaining teams travel from the Sweden/Norway border to Norvik, Norway. A Norwegian delicacy forces a vegetarian to make a difficult decision at the Fast Forward. At the Road Block, several people have to face their fear of heights. Written by Allister Coots

The seven remaining teams travel from Norvik, Norway to St. Petersburg, Russia, where they experience a variety of aspects of the local culture, including a choice of classical film or classical music at the Detour, and manual labour for one person at the Road Block. Written by Allister Coots

Teams are clowning around when they learn a traditional Russian circus act, but it's no joke when multiple teams make a critical error and misread a clue, jeopardizing their positions in the Race. Written by CBS Publicity

The six remaining teams travel from St. Petersburg, Russia to Muscat, Oman. One team make a huge mistake by sleeping past their starting time. One person makes a decision that will impact their team beyond the race's finish and for the rest of their lives. Written by Allister Coots

The five remaining teams travel from Muscat, Oman to Dhaka, Bangladesh. In a first for the series, tensions run high at a double U-turn when two teams' chances of staying in the race are jeopardised by them having to complete both of the Detour choices. Written by Allister Coots

The four remaining teams travel from Dhaka, Bangladesh to Hong Kong, China. Some people struggle to stay in the race when they become violently ill.

The final four teams travel to South Korea where they battle it out on water and ice to make the final three. Written by CBS Publicity

The final three teams soar to new heights over Southern California, competing in the final leg for a shot at the million-dollar prize and, for two teams, the chance to become the first ever all-female team to win the series. Written by CBS Publicity