triathlon
noun /traɪˈæθlən/
/traɪˈæθlən/
- a sporting event in which people compete in three different sports, usually swimming, cycling and running
compare biathlon, decathlon, heptathlon, pentathlon, tetrathlonTopics Sports: water sportsc1, Sports: other sportsc1铁人三项;三项全能运动 词源1970s: from tri- ‘three’, on the pattern of decathlon.