srw
It's a bit more complicated than that...
Tandem sprinting. It used to be a regular feature at the World Track Championships but was sadly ditched some years ago. It was by far the most exciting event on the track. This clip is pretty tame compared to many a contest, but still ends in tears -
View: https://www.youtube.com/watch?v=Ml4HN3B51kc
Gives me an idea for the grand tours - a new version of the Team Time Trial, with the whole team on one bike...