The suspension was lifted too late for Pistorius to compete at the Beijing Olympics but he made his mark at the Paralympics that year, winning golds and setting new Paralympics records in the 100m and 200m as well as a world record in the 400m.

BBC: Africa

For all his American records and medals at the world championships, Lagat hasn't been lucky lately at the Olympics.

WSJ: Lagat ready for 'challenge' of NYC Half