time-keeper

The time-keeper recorded each runner's time.B2

Хронометрист записал время каждого бегуна.

The time-keeper started the stopwatch at the beginning of the race.B2

Хронометрист запустил секундомер в начале заплыва.

Each time-keeper was responsible for a different lane.B2

Каждый хронометрист отвечал за отдельную дорожку.