Former Canadian world record holder dies at 90

Winnipeg’s Jack Parrington tied the 100m world record of 10.2 seconds in 1956

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

Bolt’s 100m and 200m world record has stood for 14 years

Jim Hines, the first man to run the 100m in under 10 seconds, dies at 76

Hines won the 100m at the 1968 Olympics in Mexico City and held the 100m world record for nearly 15 years