This is the 3744th most frequent Chinese word.
赛跑
"赛跑" means "race" or "running competition."
赛跑 is used here as a noun referring to an organized running competition.
我们学校一年一度的赛跑活动吸引了许多学生参与。
The annual running race event at our school attracted many students to participate.
赛跑 is used as a compound noun to indicate the type of competition, specifically a race involving running.
为了赢得这次赛跑比赛,他每天都努力地训练。
To win this running race, he trains diligently every day.
赛跑 is used here as a verb, meaning 'to race' or 'compete by running.'