| 1 | 27 | Hawthorne Math & Science Academy,
CA - Team Time (1st 5) 1:33:53.0 | Spread (1st 5) 1:20.0 |
| 2, 4, 6, 7, 8, (10), (18) |
| Alex Garcia, Dylan Highducheck, Andrew Tovar, Emilio De Leon, Eduardo Gonzalez, (Ryan Aquinde), (Johann Webb) |
| 17:59.0, 18:13.0, 19:09.0, 19:13.0, 19:19.0, (19:34.0), (21:53.0) |
| 2 | 47 | Vistamar,
CA - Team Time (1st 5) 1:37:35.0 | Spread (1st 5) 3:08.0 |
| 1, 3, 12, 15, 16, (19), (21) |
| Matt Fishman, Khalil Muhammad, Kevin Helling, Brent Siegel, Derrick Butler, (Eban Stern), (Brenden Craig) |
| 17:36.0, 18:12.0, 20:28.0, 20:35.0, 20:44.0, (21:59.0), (23:19.3) |
| 3 | 63 | New Roads,
CA - Team Time (1st 5) 1:41:52.0 | Spread (1st 5) 4:36.0 |
| 5, 9, 12, 17, 20, (24) |
| Ethan Woldenberg, Will Beutner, Henry Ladik, Kiran Best, Antonio Perez-Saignac, (Aidan Mayer-Ahearn) |
| 18:20.0, 19:21.0, 20:28.0, 20:47.0, 22:56.0, (25:53.0) |
| 4 | 95 | Pacific Hills (CLOSED 2019),
CA - Team Time (1st 5) 1:54:56.2 | Spread (1st 5) 5:49.0 |
| 11, 14, 22, 23, 25 |
| Julian Garcia, Clayton Guzman, Hughes Dallin, David Shaw, Jake Eshel |
| 20:10.1, 20:30.0, 24:08.3, 24:08.7, 25:59.1 |
