| Name | Nation |
|---|---|
| Aberasturi, Jon | ESP |
| Abrahamsen, Jonas | NOR |
| Abreha, Negasi Haylu | ETH |
| Ackermann, Pascal | GER |
| Adamietz, Johannes | GER |
| Adrià, Roger | ESP |
| Affini, Edoardo | ITA |
| Agirre, Jon | ESP |
| Alaphilippe, Julian | FRA |
| Albanese, Vincenzo | ITA |
| Aleotti, Giovanni | ITA |
| Allegaert, Piet | BEL |
| Alleno, Clément | FRA |
| Almeida, João | POR |
| Alustiza, Nicolas | ESP |
| Álvarez, Rodrigo | ESP |
| Alves Oliveira, Ivo Emanuel | POR |
| Alves Oliveira, Rui Filipe | POR |
| Amador, Andrey | CRC |
| Amdi Pedersen, Nicklas Overgaard | DEN |
| Amella, Matteo | ITA |
| Andersen, Idar | NOR |
| Andresen, Tobias Lund | DEN |
| Angulo, Antonio | ESP |
| Aniolkowski, Stanislaw | POL |
| Aparicio, Mario | ESP |
| Aranburu, Alex | ESP |
| Arashiro, Yukiya | JPN |
| Arcas, Jorge | ESP |
| Arensman, Thymen | NED |
| Armirail, Bruno | FRA |
| Arndt, Nikias | GER |
| Arrieta, Igor | ESP |
| Arriola-Bengoa, Julen | ESP |
| Asgreen, Kasper | DEN |
| Askey, Lewis | GBR |
| August, Andrew | USA |
| Aular, Orluis | VEN |
| Ayuso, Juan | ESP |
| Aznar, Unai | ESP |
| Aznar, Hugo | ESP |
| Azparren, Enekoitz | ESP |
| Azparren, Xabier Mikel | ESP |
| Azurmendi, Ibai | ESP |
