Miler at it, for a change?

Wiktionary Word definitions in Wiktionary
n. 1 (context cycling English) An unpaced race in which riders or teams, leaving at regular intervals are timed over a preset course or distance, the winner being the rider or team to finish in the fastest time. 2 Any competitive event in which competitors ...

Wikipedia Word definitions in Wikipedia
In many racing sports an athlete (or occasionally a team of athletes) will compete in a time trial against the clock to secure the fastest time . In cycling , for example, a time trial (TT) can be a single track cycling event, or an individual or team time ...