OREGON, USA — Jabari Matheson will run his fourth 400m over the first two days of the World Athletics Under 20 Championships when he lines up in the individual semi-finals of the distance in the afternoon session Thursday.

Matheson ran the lead off legs in both the first round and final of the mixed 4x400m relay on Wednesday, and returned on Thursday to win his first round race in the men’s 400m in 46.40 seconds.

So far, he has been consistent after running 46.65 seconds in first round of the relays and 46.48 seconds in the final where Jamaica set a national Under-20 record 3:18.78 despite just failed to get a medal, finishing fourth.