Phelps Interview

Michael Phelps Olympics Interview

Phelps Training

Michael Phelps Training Video

Style Spot: Interview with Nick Youngquest of Invictus

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Michael Phelps races a great white shark

Michael Phelps Has Officially Retired

Michael Phelps & Nicole Johnson Share First Photos From Wedding

Michael Phelps Retires to Run His Baby Boomer's Instagram

Backstage with Michael Phelps & John Legend at Lip Sync Battle

Challenge Accepted: Spartan Ultra Iceland, Part 2

Challenge Accepted: Spartan Ultra Iceland, Part 1

All the gear you need to crush a Spartan Ultra in Iceland

Challenge Accepted: Spartan Ultra Iceland, Part 3

Watch: Exclusive preview of 'The Redeemed and the Dominant: Fittest on Earth'

Simple, healthy Valentine's Day desserts couples can make together