UCI Road World Championships – Men's time trial
The men's individual time trial event at the UCI Road World Championships is the men's world championship for the road bicycle racing discipline of time trial. Introduced in 1994 by the Union Cycliste Internationale (UCI), the world's governing body of cycling, the event consists of a time trial covering a distance of approximately 45 kilometres (28 mi) over flat or rolling terrain.
Source: Wikipedia — UCI Road World Championships – Men's time trial (CC BY-SA 4.0)