Chris Hoy becomes Britain 's most decorated Olympian after winning second gold . Hoy took top honors in the men 's Keirin to take second gold of Britain . Australia 's Anna Meares wins gold in the women 's sprint beating Chris Hoy . certain never to race in the Olympics again . Chris Hoy wins women 's omnium event to give Team GB ten golds out of ten .
Chris Hoy becomes Britain 's most decorated Olympian after winning second gold . Hoy took top honors in the men 's Keirin to take second gold of Britain . Australia 's Anna Meares wins gold in the women 's sprint beating Chris Hoy . Chris Hoy wins women 's omnium event to give Team GB ten golds out of ten .