London hands over the Olympics to the next host , Rio de Janeiro . At the end will be the traditional Olympic flag handover to the next summer Comment: Kenya and Ethiopia are favorites in the men 's marathon . Men 's boxing and women 's pentathlon also take place Sunday .
London hands over the Olympics to the next host , Rio de Janeiro . Comment: Kenya and Ethiopia are favorites in the men 's marathon . Men 's boxing and women 's pentathlon also take place Sunday .