Double-marathon | definition of Double-marathon by Medical dictionary
ultramarathon (redirected from Double-marathon)
Also found in: Dictionary
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 encephalopathy
ultramarathon Sports medicine A footrace that is longer–eg, > 50 miles/80 km–than a marathon–26.2 miles/42 km. See Marathon.
References in periodicals archive
Thirty-eight hardy runners took part in the first-annual "Worth The Hurt" double-marathon
, departing the start/finish line on San Francisco's Embarcadero at midnight Sunday to run the course in reverse.
Last summer, it was a 54 mile double-marathon
from Maidenhead to London.
LONDON, July 20, 2010 /PRNewswire/ -- On Saturday 17th July, the time had finally arrived for Double-Marathon