IPA: /ˈɪn.rʌn/
KK: /ˈɪnˌrʌn/
The slope or ramp that skiers use to gain speed before jumping in ski jumping events.
The athletes practiced their technique on the inrun to ensure they had enough speed for a successful jump.
This word originates from Old English, meaning to run in or enter quickly.
Think of someone quickly 'entering' ('in') a place by 'running' — that's what 'inrun' means.