Trailer released for Michael Phelps' race against a shark

Posted at 6:44 AM, Jun 29, 2017
and last updated 2017-06-29 07:24:14-04

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.