Answer: decathlon

AnswerCrossword Clue
DECATHLONGrueling athletic contest
DECATHLONRafer Johnson's Olympic Championship.
DECATHLONAthletic event.
DECATHLONOlympics event.
DECATHLONRafer Johnson's forte
DECATHLONTwo-day Olympic contest
DECATHLONOlympic event won by Bruce Jenner in 1976 and Ashton Eaton in 2012 and 2016
decathloncomposite contest that consists of the 100-meter, 400-meter, and 1500-meter runs, the 110-meter high hurdles, the javelin and discus throws, shot put, pole vault, high jump, and long jump
decathlonan athletic contest comprising ten events
decathlona 10-event athletic contest