Usage patterns
〈人〉がレースに出るto enter/participate in a race
He entered a marathon race for the first time.
レースで優勝するto win first place in a race
She won first place in the race.
レースが始まる/終わるfor a race to start/finish
The race starts at 3 p.m.
レースに勝つ/負けるto win/lose a race