noun
time trial
A race against the clock, common in cycling, motorsports, and other timed competitions.
彼はタイムトライアルで自己ベストを更新した。
He set a new personal best in the time trial.
次のレースは個人タイムトライアルです。
The next race is an individual time trial.
Variant with interpunct; less common but seen in some contexts.
タイムアタック is often used in video games for a mode where you try to complete a stage as fast as possible, while タイムトライアル is more common in real-world sports.
Borrowed from English 'time trial'.