Naturalized runner Oh Joo-han is the first South Korean marathon runner to secure his ticket to represent the country at the Tokyo 2020 Olympics.<br />Oh, who was born in Kenya, finished the 2019 Gyeongju International Marathon in 2-hours 8-minutes and 42 seconds on Sunday, coming in second place.<br />His time was under the 2-hours 11-minutes and 30-seconds required to qualify for the 2020 Olympics.<br />It was the Kenyan-born marathoner's first official appearance after becoming a South Korean citizen last year.<br />
