The Belfast Bantam is through to the quarter-finals after a unanimous win over Aram Avagyan of Armenia in their round 16 bout.
Fionnuala McCormack finished in an impressive 20th place in the women's marathon.
The former European cross country champion crossed the line in a personal best time of 2:31:22.
Lizzie Lee was 57th in a time of 2:39.57 with Breege Connolly 76th in 2:44:41
Kenya's Jemima Sumgong won the gold in 2:24.04.
Ciara Mageean goes in the semi-finals of the 1,500m in the early hours of tomorrow morning.
