time trial
US /ˈtaɪm ˌtraɪəl/
UK /ˈtaɪm ˌtraɪəl/

1.
ujian masa, perlumbaan masa
a race or competition against the clock, in which competitors start at intervals and are timed individually over a set course
:
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The cyclists prepared for the individual time trial.
Penunggang basikal bersedia untuk ujian masa individu.
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She set a new record in the downhill time trial.
Dia mencatat rekod baru dalam ujian masa menuruni bukit.