| Chris Walker-Hebborn, Adam Peaty, James Guy, Duncan Scott |
| Silver |
| Swimming |
| Men's 4x100m Medley Relay |
| 3:29.24 |
| Olympic Aquatics Stadium |
| Male |
| Dave McNulty, Jol Finck, Mel Marhsall, Ben Higson |
| 9 years 7 months / 4 years 3 months / 4 years 3 months / 2 years 9 months |
| Great Britain beat the world record holders, Michael Phelps' USA, to qualify for the final, but could not repeat the feat in the final. |