There are numerous reasons for this, not least that the race requires runners to carry their kit – which is likely to be heavier in proportion to body weight for women.
The volatility of the race requires quick reflexes, yet seriously vetting a candidate in-depth takes time.
Entrance to the race requires completion of a series of long qualifying rides, and Bob had been working through them with a partner from his hometown of Des Moines.
10 seconds of speed Though it's over in a flash, the race requires careful strategy.
This relay race requires careful planning, structured communication and lots of finesse.
By his calculations, the survival of the race required him to remain silent on the subject of the Soviet Union's internal affairs.
The rules of the race require a mandatory 12 hours of rest to be divided between the four checkpoints along the trail.
That puts a lot more energy into the tires at the start of the race, requiring particular attention to managing the first stint.
They later confirmed their deed, saying that was the kind of behavior the race required if you wanted to win.
Each Triple Crown race requires an adjustment.
