B1
a person who is very good at sports or physical exercise, especially one who competes in organized events
Dictionary examples:
The forgetful athlete showed up to swim but forgot his swimsuit! (0.0)
The clumsy athlete tripped during the race and won by rolling to the finish line! (0.0)
The distracted athlete accidentally joined a marathon instead of going grocery shopping! (0.0)
He became a professional athlete at the age of 16. (34.3)