Only 2 athletes per country can reach the final.
Excellent endurance athletes when highly trained may reach into the 80s.
Further problems arose in the men's 5000 m, when four athletes reached the five laps remaining mark at the same time.
Barbell is lifted from the ground until the athlete reaches an upright standing position.
During the event an athlete must also reach five cut-off points in specified times to complete the race.
Other athletes reached the school after a much earlier discovery.
Now when the athletes reach the threshold of a classroom, there is "an audible reaction to just their physical presence."
When an athlete reaches the highest level, Armstrong said, life changes.
He decided that he wanted to become a nutritionist and help star athletes to reach their physical potential.
But there seems little reason to believe that athletes have reached an impassible barrier.