Zersenay Tadese will attempt to improve his personal best marathon time (2:10:41) at the 2017 Bank of America Chicago Marathon. Here are the highlights from his career:

Name: Zersenay Tadese

Country of Origin: Eritrea

Standout Race: Tadese retains the world record for the men's half marathon with a speedy showing at the 2010 Lisbon Half Marathon (58:23). 

More About Zersenay Tadese: Tadese holds four international titles in the Men's Half Marathon event in addition to his world record. Tadese has also competed in the last four Summer Olympic Games, taking home a bronze medal from the 2004 Athens Olympics in the Men's 10,000m.