释义 |
ultramarathonenUK
ul·tra·mar·a·thon U0011000 (ŭl′trə-măr′ə-thŏn′)n. A cross-country footrace longer than a traditional marathon (26 miles, 385 yards). ul′tra·mar′a·thon′er n.ultramarathon (ˈʌltrəˌmærəθən) n (Athletics (Track & Field)) a race on foot over a distance of more than 26 miles 385 yards (42.195 kilometres)ul•tra•mar•a•thon (ˌʌl trəˈmær əˌθɒn, -θən) n. any footrace that is longer than a marathon. [1975–80] ul`tra•mar′a•thon`er, n. ultramarathonenUK Any foot race that is longer than a marathon—which is 26.2 miles/42 km—usually either a timed event that cover a specified distances—50 or 100 km or miles—or an event measuring distance covered during a specified time Injuries Electrolyte imbalances, water intoxication, cerebral hyponatremia, hyponatremic encephalopathyultramarathon Sports medicine A footrace that is longer–eg, > 50 miles/80 km–than a marathon–26.2 miles/42 km. See Marathon. |