VOA慢速英语:Older Athletes, Lower Fitness Age

turn back the clock – phrase; go back in time

participant(s) – n; a person who is involved in an activity

chronological –adj; using time as a measure

pickleball –n; a game played with solid wooden racquets and a ball that is hit over a net.

benefit (s) –n; a good or helpful effect

triathlon –n; a long distance race that  has three parts, biking, swimming and running