Debutants
Jon Božič is the youngest debutant in GP Slovenian Istria in 2015. There are 88 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | BOŽIČ Jon | Adria Mobil | 18y + 105d |
| 2 | KOCH Christian | LKT Team Brandenburg | 18y + 123d |
| 3 | LEONE Davide | d'Amico - Bottecchia | 18y + 144d |
| 4 | BRKIC Benjamin | Tirol Cycling Team | 18y + 150d |
| 5 | ROHDE Louis | LKT Team Brandenburg | 18y + 150d |
| 6 | CAMRDA Pavel | Whirlpool Author | 18y + 158d |
| 7 | PENKO Izidor | Radenska Ljubljana | 18y + 219d |
| 8 | PLEBANI Davide | Unieuro Wilier Trevigiani | 18y + 220d |
| 9 | PEDRETTI Giovanni | Unieuro Wilier Trevigiani | 18y + 296d |
| 10 | ALIZADA Elgun | Synergy Baku Cycling Project | 18y + 315d |
| 11 | RUČIGAJ Žiga | Radenska Ljubljana | 19y + 111d |
| 12 | KESSLER Robert | LKT Team Brandenburg | 19y + 122d |
| 13 | KRAJNC Grega | Radenska Ljubljana | 19y + 179d |
| 14 | BERGER Leon | LKT Team Brandenburg | 19y + 282d |
| 15 | KOMIN Aleksandr | RusVelo | 19y + 323d |
| 16 | NIKA Iltjan | d'Amico - Bottecchia | 19y + 343d |
| 17 | LICHNOVSKÝ Ludek | SKC TUFO Prostějov | 20y + 20d |
| 18 | WACHTER Alexander | Tirol Cycling Team | 20y + 39d |
| 19 | MAMYKIN Matvey | Itera - Katusha | 20y + 121d |
| 20 | ASANOV Enver | Synergy Baku Cycling Project | 20y + 127d |
| 21 | MALTAR Bruno | Meridiana Kamen Team | 20y + 146d |
| 22 | POLETTI Nicola | d'Amico - Bottecchia | 20y + 148d |
| 23 | PAULUS Dennis | Amplatz - BMC | 20y + 160d |
| 24 | SOBALLA Carl | LKT Team Brandenburg | 20y + 163d |
| 25 | JABRAYILOV Samir | Synergy Baku Cycling Project | 20y + 175d |
| 26 | WILLWOHL Willi | LKT Team Brandenburg | 20y + 182d |
| 27 | TECCHIO Marco | Unieuro Wilier Trevigiani | 20y + 182d |
| 28 | KALOJÍROS Tomáš | Whirlpool Author | 20y + 210d |
| 29 | ILIASOV Ismail | Synergy Baku Cycling Project | 20y + 211d |
| 30 | OTONICAR Martin | Radenska Ljubljana | 20y + 297d |
| 31 | BOSMAN Patrick | Tirol Cycling Team | 20y + 311d |
| 32 | PARRA Jordan | GM Cycling Team | 20y + 316d |
| 33 | DOLEZEL Radovan | SKC TUFO Prostějov | 21y + 7d |
| 34 | JÄGER Patrick | Team Vorarlberg | 21y + 26d |
| 35 | ZAHÁLKA Matěj | SKC TUFO Prostějov | 21y + 87d |
| 36 | MALUCELLI Matteo | Team Idea 2010 ASD | 21y + 132d |
| 37 | FAIETA Emiliano | MG.Kvis Vega | 21y + 195d |
| 38 | REPŠE Uroš | Meridiana Kamen Team | 21y + 208d |
| 39 | STASH Mamyr | RusVelo | 21y + 301d |
| 40 | DAMIANO Maurizio | Team Idea 2010 ASD | 21y + 349d |
| 41 | KOZUSNIK Adam | SKC TUFO Prostějov | 22y + 11d |
| 42 | FILIP Jakub | SKC TUFO Prostějov | 22y + 213d |
| 43 | MUFFOLINI Luca | MG.Kvis Vega | 22y + 257d |
| 44 | DVORSKY David | Whirlpool Author | 22y + 263d |
| 45 | FOLIFOROV Alexander | RusVelo | 22y + 358d |
| 46 | TIZZA Marco | Team Idea 2010 ASD | 23y + 23d |
| 47 | HOSEK Josef | Whirlpool Author | 23y + 68d |
| 48 | GIAMPAOLO Moreno | MG.Kvis Vega | 23y + 188d |
| 49 | D'URBANO Marco | GM Cycling Team | 23y + 198d |
| 50 | BROGI Adriano | d'Amico - Bottecchia | 23y + 224d |
| 51 | RABITSCH Stephan | Team Felbermayr - Simplon Wels | 23y + 246d |
| 52 | PSZCZOLARSKI Wojciech | SKC TUFO Prostějov | 23y + 309d |
| 53 | HOFER Andreas | Team Hrinkow Advarics Cycleang | 24y + 21d |
| 54 | SCHIEWER Franz | LKT Team Brandenburg | 24y + 106d |
| 55 | KORETZKY Clément | Team Vorarlberg | 24y + 122d |
| 56 | UGRINIC Juraj | Meridiana Kamen Team | 24y + 140d |
| 57 | GAZZARA Michele | MG.Kvis Vega | 24y + 155d |
| 58 | FROLOV Igor | Itera - Katusha | 25y + 37d |
| 59 | POLNICKÝ Jiří | Whirlpool Author | 25y + 75d |
| 60 | GAFFURINI Nicola | MG.Kvis Vega | 25y + 76d |
| 61 | CAMBIANICA Enea | Meridiana Kamen Team | 25y + 100d |
| 62 | HUNAL Martin | Whirlpool Author | 25y + 174d |
| 63 | DI FRANCESCO Gian Marco | MG.Kvis Vega | 25y + 211d |
| 64 | POKIDOV Maxim | Itera - Katusha | 25y + 233d |
| 65 | STAMEGNA Sebastian | GM Cycling Team | 25y + 250d |
| 66 | BALDAUF Sebastian | Team Hrinkow Advarics Cycleang | 26y + 7d |
| 67 | FORTIN Filippo | GM Cycling Team | 26y + 28d |
| 68 | BOCCHIOLA Giorgio | d'Amico - Bottecchia | 26y + 38d |
| 69 | KRIVOSHEEV Evgeniy | Itera - Katusha | 26y + 99d |
| 70 | CAVASIN Daniele | GM Cycling Team | 26y + 104d |
| 71 | PARRINELLO Antonino | d'Amico - Bottecchia | 26y + 150d |
| 72 | KRIZEK Matthias | Team Felbermayr - Simplon Wels | 26y + 153d |
| 73 | HRINKOW Dominik | Team Hrinkow Advarics Cycleang | 26y + 209d |
| 74 | RYBAKOV Alexander | RusVelo | 26y + 288d |
| 75 | NIKOLAEV Sergey | Itera - Katusha | 27y + 24d |
| 76 | VAN WINDEN Dennis | Synergy Baku Cycling Project | 27y + 89d |
| 77 | SAMOKHVALOV Anton | Itera - Katusha | 28y + 103d |
| 78 | SAMOKHVALOV Dmitrii | Itera - Katusha | 28y + 103d |
| 79 | DE LA PARTE Víctor | Team Vorarlberg | 28y + 252d |
| 80 | CAMPAGNARO Simone | Meridiana Kamen Team | 28y + 274d |
| 81 | AVERIN Maksym | Synergy Baku Cycling Project | 29y + 93d |
| 82 | GRAF Andreas | Team Hrinkow Advarics Cycleang | 29y + 206d |
| 83 | ILEŠIČ Aldo Ino | Team Vorarlberg | 30y + 181d |
| 84 | KAŇKOVSKÝ Alois | Whirlpool Author | 31y + 225d |
| 85 | FIRSANOV Sergey | RusVelo | 32y + 241d |
| 86 | TAMOURIDIS Ioannis | Synergy Baku Cycling Project | 34y + 271d |
| 87 | MÜLLER Andreas | Team Hrinkow Advarics Cycleang | 35y + 96d |
| 88 | BUCHÁČEK Tomáš | Whirlpool Author | 36y + 359d |