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Paul Chelimo on IAAF rule changes: "I don’t know if they’re trying to kill distance running or what."
They did this because the 5,000 and 10,000m records are unbreakable. Bekele was an insanely talented runner, most likely with doping and no one will ever come close to his times in the 5k and 10k.
Komen can be broken, at least theoretically.