Swimming at the 2008 Summer Olympics – Men's 100 metre backstroke

The men's 100 metre backstroke event at the 2008 Olympic Games took place on 10–12 August at the Beijing National Aquatics Center in Beijing, China. Aaron Peirsol established a new world record of 52.54 to defend his Olympic title in the event. His teammate Matt Grevers earned a silver in 53.11, giving the United States a one-two finish. Meanwhile, Australia's Hayden Stoeckel and Russia's Arkady Vyatchanin, who both finished behind Grevers by 0.07 of a second, tied for the bronze medal in a matching time of 53.18.

Swimming at the 2008 Summer Olympics – Men's 100 metre backstroke

The men's 100 metre backstroke event at the 2008 Olympic Games took place on 10–12 August at the Beijing National Aquatics Center in Beijing, China. Aaron Peirsol established a new world record of 52.54 to defend his Olympic title in the event. His teammate Matt Grevers earned a silver in 53.11, giving the United States a one-two finish. Meanwhile, Australia's Hayden Stoeckel and Russia's Arkady Vyatchanin, who both finished behind Grevers by 0.07 of a second, tied for the bronze medal in a matching time of 53.18.