The suspense is building as the world prepares for the next big race.
Next month, 23-time Olympic gold medalist Michael Phelps will take to the water. This time, his opponent will be a great white shark.
The race will air on the Discovery Channel's Shark Week on July 23 at 8 p.m.
Check out their new trailer below.
— Shark Week (@SharkWeek) June 28, 2017