It's Suguro Osako from NOP and coached by Salad Bar.
Suguru, not Suguro. He happens to be the Asian U20 half-marathon record holder (1:01:47). He has PRs of 13:08 for 5k, 1:01;13 for the half, and 2:07:19 for the marathon. And he finished 3rd at Boston in 2017.
Jamin is an idiot.