How Usain Bolt made history with his third 100m gold medal victory

Bolt got off to a slow start behind rival Justin Gatlin but surged ahead in the last few seconds. Although Bolt’s time didn’t break any records, his win makes him the first athlete to win three successive 100m titles.
Bolt’s time, 9.81 seconds, didn’t set any records, but this historic win made him the first man to win three Olympic 100m titles.
Bolt came in just behind the Olympic record he set in 2012 and the world record he set in 2009.
Guardian.com