| 释义 | 
		Definition of ultramarathon in English: ultramarathonnounˈʌltrəmarəθ(ə)nˈəltrəˌmerəˌTHän A long-distance running race that is longer than a marathon (which is strictly 26 miles 385 yards/42.195 km)  the race was his third ultramarathon of 100 miles or more in six weeks as modifier an avid mountain biker and ultramarathon runner Example sentencesExamples -  Although he once ran an ultramarathon through the Sahara, extreme temperatures don't do much for him.
 -  I am an ultramarathon cyclist - having completed numerous double centuries.
 -  The Badwater Ultramarathon follows a 135-mile route through California, from the bottom of Death Valley to the Sierra Nevadas.
 -  The 50 km distance has been infrequently contested in the last decade of USA Track & Field's Ultramarathon Championship program.
 -  He found the strength and determination to beat 99 of the world's top runners in the The Atacama Crossing ultramarathon, a grueling seven-day and six-night race covering 270 km.
 -  There is no stadium, no grandstand, no masses of rabid ultramarathon fans.
 -  Skills: There's no substitute for logging the miles, and ultramarathon experience is a necessity.
 -  Over the course of five months, Warren went from running 12 - minute miles in 5ks to doing a 50k (31 miles) ultramarathon.
 -  Not content with his polar victories, he's planning to run seven extreme ultramarathons on seven continents this year.
 -  He is also the defending champion of the countries largest and oldest ultramarathon in the country - the JFK 50 Miler in Boonsboro, Maryland.
 
 
 Derivativesnounˈʌltrəmarəθ(ə)nə(r)  Even Ann Trason, the pre-eminent woman ultramarathoner who has been the top woman at the Western States 100 an astounding 14 times, says her first ultra was "a really horrible experience." Example sentencesExamples -  The quintessential ultramarathoner, Karnazes takes exquisite joy from the fundamental act of the sport he describes as the zenith of endurance.
 -  Lucy Njeri, of Kenya, was fifth, and Amy Pyles, of Hummelstown, outsprinted ultramarathoner Elvira Kolpakova for sixth place.
 -  Hungarian ultramarathoner Edit Berces pounds out 153.6 miles on a treadmill, setting a new 24-hour world record.
 -  As both a former ultramarathoner and a biologist, I know this gesture to be reflexive in runners and other competitors who have fought hard and then feel the exhilaration of triumph over adversity.
 
 
 
    Definition of ultramarathon in US English: ultramarathonnounˈəltrəˌmerəˌTHän A long-distance running race that is longer than a marathon (which is strictly 26 miles 385 yards/42.195 km)  the race was his third ultramarathon of 100 miles or more in six weeks as modifier an avid mountain biker and ultramarathon runner Example sentencesExamples -  There is no stadium, no grandstand, no masses of rabid ultramarathon fans.
 -  He is also the defending champion of the countries largest and oldest ultramarathon in the country - the JFK 50 Miler in Boonsboro, Maryland.
 -  Over the course of five months, Warren went from running 12 - minute miles in 5ks to doing a 50k (31 miles) ultramarathon.
 -  Skills: There's no substitute for logging the miles, and ultramarathon experience is a necessity.
 -  Not content with his polar victories, he's planning to run seven extreme ultramarathons on seven continents this year.
 -  I am an ultramarathon cyclist - having completed numerous double centuries.
 -  The 50 km distance has been infrequently contested in the last decade of USA Track & Field's Ultramarathon Championship program.
 -  Although he once ran an ultramarathon through the Sahara, extreme temperatures don't do much for him.
 -  He found the strength and determination to beat 99 of the world's top runners in the The Atacama Crossing ultramarathon, a grueling seven-day and six-night race covering 270 km.
 -  The Badwater Ultramarathon follows a 135-mile route through California, from the bottom of Death Valley to the Sierra Nevadas.
 
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