奥运会自行车赛历史回顾

A crowd of spectators at White City for the 100km cycle race, an event of the 1908 Summer Olympics in London. (Photo by Central Press/Hulton Archive/Getty Images)

Cyclists at the start of one of the men's road races during the London Olympic Games, 13th August 1948 (Photo by Keystone/Hulton Archive/Getty Images)

Giorgio Ursi of Italy during the men's individual pursuit race on 17th October 1964 at the XVIII Summer Olympic Games at the Hachioji Velodrome, Tokyo, Japan. (Photo by Keystone/Hulton Archive/Getty Images)

Lothar Claesges, Karl Link, Karl-Heinz Henrichs and Ernst Streng of the United Team of Germany during the men's team pursuit cycling race during the Olympic Games Tokyo 1964 at the Hachioji Road Race Course (Photo by Keystone/Hulton Archive/Getty Images)

Swedish cyclist Gosta Peterson is handed his musette, a bag of food, by his trainer during the road race at Tokyo during the 18th Olympic Games. (Photo by Central Press/Getty Images)

Sergio Bianchetto and Angelo Damiano of Italy crosses the line ahead of Niels Fredborg and Per Sarto Jorgensen of Denmark in the Men's tandem quarter-final during the Olympic Games Tokyo 1964 at the Hachioji Velodrome (Photo by Keystone/Hulton Archive/Getty Images)

General race action from the Men's Individual Road Race during the Olympic Games Moscow 1980 (Photo by Tony Duffy/Allsport/Getty Images)

Steve Hegg of the United States celebrates winning the men's 4000m individual pursuit during the Olympic Games ‎Los Angeles 1984 (Photo by Steve Powell/Getty Images)

An impression of a Dutch team member during the men's individual pursuit qualifiers at Stone Mountain Velodrome at the 1996 Centennial Olympic Games in Atlanta. Mandatory Credit: Pascal Rondeau /Allsport

The Australian men's pursuit cycling team competing in the semi-finals at Stone Mountain Velodrome during the 1996 Olympic Games in Atlanta. Mandatory Credit: Pascal Rondeau/Allsport

Jens Fieldler of the German Men's Olympic Sprint team during Track Cycling Qualifying during the Sydney 2000 Olympic Games. Mandatory Credit: Mike Powell/Allsport

Paolo Pezzo of Italy on her way to Gold in the Women's Mountain bike at the Sydney 2000 Olympic Games. Mandatory Credit: Adam Pretty/Allsport

The peloton pass the temple of Parthenon atop the Acropolis during the men's cycling road race at the Athens 2004 Olympic Games (Photo by Ezra Shaw/Getty Images)

Riders pass Tiananmen Square during the Men's Road Race at the Good Luck Beijing Road Cycling International Invitational. The event was a test event for the 2008 Olympic Games (Photo by Feng Li/Getty Images)

Riders cycle past a section of the Great Wall during the Men's Road Cycling event during the Beijing 2008 Olympic Games (Photo by Quinn Rooney/Getty Images)

Riders cycle through water sprays at a cooling station as they compete in the Men's Road Cycling event during the Beijing 2008 Olympic Games (Photo by Jamie Squire/Getty Images)

Paul Manning, Ed Clancy, Geraint Thomas and Bradley Wiggins of Great Britain compete in the Men's Team Pursuit Finals at the Beijing 2008 Olympic Games (Photo by Mike Hewitt/Getty Images)

A general view of the action in the Men's BMX Seeding Phase during the Beijing 2008 Olympic Games (Photo by Julian Finney/Getty Images)

Elizabeth Armitstead of Great Britain waves to the crowds after the Women's Individual Time Trial Road Cycling at the London 2012 Olympic Games (Photo by Bryn Lennon/Getty Images)

Rohan Dennis of Australia competes in the Cycling Road Men's Individual Time Trial at the Rio 2016 Olympic Games (Photo by Bryn Lennon/Getty Images)

Angie Sabrina Gonzalez of Venezuela competes during the Women's Omnium Flying Lap race at the Rio 2016 Olympic Games (Photo by Tom Pennington/Getty Images)

Mariana Pajon of Colombia celebrates after winning the gold during the Women's BMX Racing Final at the Rio 2016 Olympic Games (Photo by Ryan Pierse/Getty Images)