Alberto Salazar Australian Derek Clayton in 1969 in Antwerp, Belgium. However, the course was found on re-measurement to be about 148 meters short of the 42.195 kilometre (26 miles, 385 yards) distance. This is equivalent to about 27 seconds. In 1982 he won his first and only Boston Marathon after the famous "Duel in the Sun" with Dick Beardsley. Salazar won the race in an exciting sprint finish and collapsed at the end before being taken to an emergency room and given six liters of saline solution intravenously because he had not drunk during the race. Salazar ended the year ranked #1
Marathon from the start at Windsor Castle to the royal entrance to the White City Stadium, followed by a lap (586 yards 2 feet; 536 m) of the track, finishing in front of the Royal Box. The course was later altered to use a different entrance to the stadium, followed by a partial lap of 385 yards to the same finish. The modern standard distance for the marathon was set by the International Amateur Athletic Federation (IAAF) in May 1921 directly from the length used at the 1908 Summer Olympics in London. An official IAAF marathon course is 42.195 km (42