| 1 | 36 | St Mary's (Middle) International,
OS - Team Time (1st 5) 1:02:38.3 | Spread (1st 5) 1:05.4 |
| 1, 4, 6, 8, 17, (25), (34) |
| Kai Liljequist, William Beardsley, Shunsuke Matsubayashi, Muku Nomura, Franklin Richter, (Kairi Mano), (Shion Fujita) |
| 12:01.9, 12:21.9, 12:25.1, 12:42.1, 13:07.3, (13:32.9), (14:18.9) |
| 2 | 40 | Yokosuka Middle,
OS - Team Time (1st 5) 1:02:44.0 | Spread (1st 5) 59.2 |
| 2, 3, 5, 14, 16, (18), (22) |
| Manzi Siibo, Justin Minimo, Ken Belt, Logan Hamilton, David Hurtado lll, (Justice Rose), (Raiden Urena) |
| 12:02.2, 12:19.3, 12:24.2, 12:56.9, 13:01.4, (13:11.8), (13:16.1) |
| 3 | 54 | American (Middle) School in Japan,
OS - Team Time (1st 5) 1:04:14.3 | Spread (1st 5) 26.0 |
| 7, 9, 11, 12, 15, (19), (22) |
| Takumi Harima, Kai Hyodo, Luke Raffone, Louis Avondet, Hinoto Tanaka, (Mason Macek), (Eigen Schinaman) |
| 12:32.5, 12:52.1, 12:55.1, 12:56.1, 12:58.5, (13:13.4), (13:16.1) |
| 4 | 114 | Yokota Middle,
OS - Team Time (1st 5) 1:07:02.2 | Spread (1st 5) 51.1 |
| 10, 24, 25, 27, 28, (31), (32) |
| Genesis Reed, Conner Ewens, Ryan Sheehan, Davin McArty, Brody Choate, (Johnny Stull), (Dylan McArty) |
| 12:53.4, 13:18.1, 13:32.9, 13:33.3, 13:44.5, (13:48.9), (13:57.4) |
| 5 | 181 | Nishimachi Middle International,
OS - Team Time (1st 5) 1:16:27.6 | Spread (1st 5) 5:02.0 |
| 20, 29, 37, 43, 52, (53) |
| Alex Fedoroff, Eiichiro Ishibashi, Lucas Root, Conor Hogan, Nigel Root, (Yuken Ishiyama) |
| 13:15.9, 13:45.3, 14:57.5, 16:11.0, 18:17.9, (18:55.8) |
| 181 | Zama Middle,
OS - Team Time (1st 5) 1:17:56.9 | Spread (1st 5) 4:43.3 |
| 12, 35, 36, 48, 50, (54), (55) |
| Caleb Schmiedel, Shawn Litt, Vincent Carlo, Kaimana Kuroda, Van Beeson, (Riley Jones), (Aiden George) |
| 12:56.1, 14:54.3, 14:56.7, 17:30.4, 17:39.4, (19:05.9), (20:46.3) |
| 7 | 185 | St Maur Middle International,
OS - Team Time (1st 5) 1:16:09.4 | Spread (1st 5) 3:39.5 |
| 20, 39, 40, 41, 45, (46), (47) |
| Jun Johnson, Charles Boutard, Findlay Thomas, Go Nakamaru, Jacek Ratajczak, (Kotarou Muramatsu), (Yamil Cisneros) |
| 13:15.9, 15:07.4, 15:23.4, 15:27.3, 16:55.4, (16:57.5), (17:17.3) |
| 8 | 187 | Yokohama Middle International,
OS - Team Time (1st 5) 1:15:31.8 | Spread (1st 5) 2:43.9 |
| 30, 33, 38, 42, 44, (49), (51) |
| Oliver Burkes, Oscar Masurel, Ryo Abekawa, Keishirou Yamada, Zenon Oullette, (Pol Mateu), (Noe Marteau) |
| 13:45.4, 14:14.1, 15:05.9, 15:57.1, 16:29.3, (17:39.3), (17:54.9) |
