American sprinter Fred Kerley: “There will be a world record the next time I touch the 100m”

Usain Bolt’s world record of 9.58 seconds has remained untouched since 2009. Kerley will next compete in the 100m on May 30 in Oslo

Usain Bolt’s 100m world record is the longest-standing in history

The Jamaican has surpassed Jim Hines, who was the first man to break 10 and who held the world record from 1968 to 1982

Usain Bolt “not worried” about his world records being broken

Bolt’s 100m and 200m world records have stood for 14 years