Montreal 1976

1976: Soviet cross-country skier Sergej Saweljew passes crowds during a men's 15km race at the Winter Olympic Games, Innsbruck, Austria. Saweljew won the gold medal. (Photo by Hulton Archive/Getty Images)

Cuban runner Alberto Juantorena, gold medal winner in both the 400 and the 800 metres at the 1976 Montreal Olympics. (Photo by Express/Hulton Archive/Getty Images)

1976: John Naber stands in the pool and reacts to setting a world record at the 1976 Summer Olympics in Montreal, Canada. Mandatory Credit: Tony Duffy /Allsport

26th July 1976: Romanian athlete Nadia Comaneci celebrating her gold medal for the beam at the Montreal Olympics, while the silver medal winner and Russian athlete Olga Korbut looks on. (Photo by Reg Lancaster/Express/Getty Images)

1976: John Walker of New Zealand (black jersey) runs with a pack of racers before pulling away and capturing the gold medal in the men's 1500m event at the 1976 Summer Olympic Games in Montreal, Canada. Walker raised the profile of middle distance running in the seventies and eighties, but never realised his true potential in the Olympic arena because of injury and the 1980 boycott . He won the 1500 metres at the Montreal Games and became the first man to run the mile in under 3 min 50 seconds in August 1975. Ten years later, he ran the mile in under four minutes for the 100th time, the first man to do so. Mandatory Credit: Allsport UK/Allsport

Middle distance runner John Walker of New Zealand celebrates after winning the 1500m final at the Montreal Olympics. Original Publication: People Disc - HM0274 (Photo by Hulton Archive/Getty Images)