(1) This cross-border event is a rigorous and testing challenge of endurance and skill.(2) Pulling out a stopwatch and trying your skills is fun but will also test your endurance and physical fitness.(3) Soon new records will be set and new tests of endurance undergone.(4) The marathon race is the big test of endurance in the Olympics.(5) For most people, running a marathon would be the realisation of a lifetime ambition and the ultimate test of endurance .(6) Like a stage of a bike race, it is a test of endurance and, ultimately, speed.(7) The six of us that are left are looking around at the empty beds and realizing that this is becoming a test of endurance .(8) It'll take a while but any difficulty will be in testing our endurance .(9) The rally will be a real test of endurance , stamina and navigational skills.(10) His spirit of endurance and his determination carried him through those difficult times.(11) And to the greatest race of all time, were the endurance of the machine is as important as the skill of the driver.(12) The pair have been in training for the marathon endurance test since October.(13) We've seen ordinary men testing their endurance under the rigours of SAS training.(14) she was close to the limit of her endurance(15) For a man like him, Antarctica represents the ultimate endurance test.(16) A football match is not a sprint and is, more often than not, a test of endurance .