ULTRAMARATHON
Meaning of ULTRAMARATHON in English
transcription, транскрипция: [ -ˈma-rə-ˌthän ]
noun
Date: 1977
: a footrace longer than a marathon
• ul·tra·mar·a·thon·er -ˌthä-nər noun
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003