Factual error: John Candy is at the top of the Calgary Tower having lunch. In the background you see a building called Bankers Hall which is slightly higher than the Calgary tower, that's fine except this was the 1988 Olympics, that building wasn't completed until late 1990.
Factual error: Early 1990s cars are outside the Relax Inn hotel in Calgary.
Factual error: The modern flag (since 1991) of the Russian Federation is at the Olympic Park. In 1988, Russia was still part of the Soviet Union, which used a red flag with a yellow hammer and sickle.
Factual error: The flag of Sri Lanka is visible at Olympic Park. Sri Lanka has never competed in the Winter Olympics.
Chosen answer: They are sprinters and so can run very fast on dry land whilst not pushing a huge metal bobsled. They can pushstart faster than most teams but nowhere near sprinter speeds. Sanka is used to pushstarts like this from his pushcart races and so is able to keep up over the short starts. Also, he is routinely shown struggling to keep up with the other three in all around training.
roboc