From Longman Dictionary of Contemporary Englishtriple jumpˈtriple jump noun [singular] DSOan athletics event in which you jump with one foot, then with your other foot, and finally with both feet —triple jumper noun [countable] Triple jumper Edwards set a new world record.
Examples from the Corpus
triple jump• Further success for Liverpool was registered by Andrew Parkinson in the boys under-15 triple jump with 12.06 metres.• Ewry also took the standing long jump at 11-4 and the standing triple jump with a whopping 37-7.• The triple jump is certainly an arcane discipline. 