Mo Farah of Great Britain celebrates winning gold in the Men's 10,000 metres final during the first day of the IAAF World Athletics Championships at Luzhniki Stadium in Moscow on Saturday. Cameron Spencer / Getty Images
Mo Farah of Great Britain celebrates winning gold in the Men's 10,000 metres final during the first day of the IAAF World Athletics Championships at Luzhniki Stadium in Moscow on Saturday. Cameron SpeShow more