She says she wants to focus on the marathon for Rio in 2016.
The first race was won by a Finnish runner.
The legendary Kip Keino of Kenya will be receiving a special honor.
The 800m champion isn't afraid to speak his mind.
The British running legend won two Olympic gold medals.
They were commemorating the 100th anniversary of the IAAF.
Some of the best East Africans head to South America in July.
She made a comeback after a Boston DNF last month.
It was ruled that he was too young to compete.
He hopes to improve on his own world record next year.