ultrarunningEnglishOxford Dictionary of Englishultrarunning /ˈʌltrərʌnɪŋ / ▸ noun [mass noun] the sport or activity of competing in ultramarathons: in the world of ultrarunning, women outperforming men isn't surprising. – DERIVATIVES ultrarunner /ˈʌltrərʌnə/ noun
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English