He won state as a sophomore in the 400 in 46.48 but has run 45.90 this summer and also won the 800 at Jr.Olympics in the 15-16 YO group. He ran 1:51 and to my knowledge never competed in the 800 before. Then he provided this anchor leg in the 4x400: https://www.milesplit.com/articles/337174/jonathan-simms-strikes-again-4476-on-the-4x400-anchor