Team USA are in the lead with a BIG advantage!They lead France and Phelps has expectedly blown it out of the water - pun very much intended!
Quickly it's team Brazil who are in the lead... and now it's France in front!
Team USA is in Lane 5, with Belgium in Lane 1!
He's the most decorated Olympian of all time.
Team USA, Team Brazil, Team Australia and Team Russia walk out to the pool! Is this Phelps' time to shine?
And it's over! Team USA have won the men's 4x100m with a whopper of a performance from the legendary American swimmer.