In what year did Willie Williams set the 100 metres world record that was recorded by the International Association of Athletics Federations?
Willie Williams (athlete) Willie Williams (born September 12, 1931) is a former American sprinter who set the 100 metres world record in 1956, with a new time of 10.1s, one-tenth of second faster than previous record held jointly by 8 men..
Men's 400 metres world record progression The first world record in the 400 m for men (athletics) was recognized by the International Amateur Athletics Federation, now known as the International Association of Athletics Federations, in 1912. The IAAF ratified Charles Reidpath's 48.2 performance set at that year's Stockholm Olympics as a world record, but it also recognized the superior mark over 440 yards (402.34 metres) run by Maxie Long in 1900 as a world record.