Olympic gold medallist and world record holder Michael Phelps is set to go head to head against a great white shark for Shark Week 2017.
The most decorated Olympian, with 23 Olympic golds and 39 world records in the pool, is currently the fastest human on the planet in water but, he is set to test to his speed in 'Phelps vs. Sharks: Great Gold vs. Great White' on Discovery.
Shark Week 2017 starts on July 23, and the Olympian won't really be swimming next to a great white but instead testing speed against various other shark species, Yahoo reports.
The fierce underwater predators can reach up to speeds of 25 to 30 mph, whereas Phelps can reach up to 6mph.