North American Challenge

Finals
Name		Team	Time	Score	Imp
1	Rodrigo Ortiz Iturriaga Mexico	Mexico	52.65	9	–	PB
2	Adam Osowski Southern California Swimming (LSC)	Southern California Swimming (LSC)	52.72	7	-0.6%
3	Oscar Jesus Jimenez Flores Mexico	Mexico	52.81	6	–
4	Theo Velikov Southern California Swimming (LSC)	Southern California Swimming (LSC)	53.04	5	-1.8%
5	Billy Fales Unattached	Unattached	55.92	4	+5.0%	PB
6	Jack McNamara Unattached	Unattached	56.01	3	+2.5%	PB
7	Jonah Pennington Unattached	Unattached	56.60	2	-2.2%
8	P. J. Cieri Unattached	Unattached	56.98	1	+3.8%	PB

Preliminaries
Name		Team	Time	FINA	Imp
1	Adam Osowski Southern California Swimming (LSC)	Southern California Swimming (LSC)	52.81	701	-0.8%
2	Oscar Jesus Jimenez Flores Mexico	Mexico	54.24	647	–
3	Rodrigo Ortiz Iturriaga Mexico	Mexico	55.30	610	–
4	Jonah Pennington Unattached	Unattached	56.16	583	-1.4%
5	Billy Fales Unattached	Unattached	57.61	540	+2.1%	PB
6	Jack McNamara Unattached	Unattached	57.78	535	-0.6%
7	Ethan Blake Unattached	Unattached	58.51	515	-1.6%
8	Caleb Yen Unattached	Unattached	59.01	502	-2.6%
9	Theo Velikov Southern California Swimming (LSC)	Southern California Swimming (LSC)	1:00.53	465	-16.1%
10	P. J. Cieri Unattached	Unattached	1:00.58	464	-2.3%