| Pos. | Name | Birth | Nat. |
| 1 | Raphael Trinidad [105] | 2001 | PHI |
| 2 | Gessi Noah [210] | 2001 | ITA |
| 3 | Theva Daran [132] | 2000 | FRA |
| 4 | Riccardo De Tollis [218] | 2000 | ITA |
| 5 | Kieran Owens [138] | 2002 | GBR |
| Pos. | Name | Birth | Nat. |
| 1 | Locky Fort [16] | 2000 | AUS |
| 2 | Nicolas Karagozian [175] | 2000 | ARG |
| 3 | Gatti Leonardo [219] | 2000 | ITA |
| 4 | Ziv Zavaro [148] | 2001 | ISR |
| 5 | Jan Barton [51] | 2002 | CZE |
| Pos. | Name | Birth | Nat. |
| 1 | Bork Ower [10] | 2001 | NOR |
| 2 | Theo Balsa [130] | 2002 | FRA |
| 3 | Kai Ditsch [185] | 2000 | ARG |
| 4 | Guy Lapid [149] | 2000 | ISR |
| 5 | Jasper Van Suchtelen van de Haare [134] | 2000 | NED |
| Pos. | Name | Birth | Nat. |
| 1 | Jonas Sørlie [6] | 2001 | NOR |
| 2 | Miguel Menendez Vellanoweth [147] | 2000 | MEX |
| 3 | Patrick Hanes [50] | 2001 | CZE |
| 4 | Philipp Koch [2] | 1999 | GER |
| 5 | Max Milde [5] | 2002 | GER |
| Pos. | Name | Birth | Nat. |
| 1 | Quique Cornejo [217] | 2000 | ESP |
| 2 | Pedro Caldas [41] | 2000 | BRA |
| 3 | Daniel Castro [142] | 2002 | BRA |
| 4 | Ben Zilberman [144] | 2000 | ISR |
| 5 | Florian Weiherer [155] | 2000 | GER |
| Pos. | Name | Birth | Nat. |
| 1 | Nick Volokhov [205] | 2001 | RUS |
| 2 | Pedro Cavalcanti Diniz [43] | 2002 | BRA |
| 3 | Max Delhaas [216] | 2000 | NED |
| 4 | Ulf Ditsch [186] | 2000 | ARG |
| 5 | Oliver Orban [7] | 2001 | HUN |
1 riders go to the next heat
2 runs