Debutants
Luke Mudgway is the youngest debutant in Rás Tailteann in 2015. There are 23 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MUDGWAY Luke | Avanti Racing Team | 18y + 339d |
| 2 | SCHIPFLINGER Florian | Tirol Cycling Team | 19y + 242d |
| 3 | MONTGOMERY David | Team3M | 19y + 324d |
| 4 | MULLEN Ryan | An Post - Chain Reaction | 20y + 283d |
| 5 | SCHÖNBERGER Sebastian | Tirol Cycling Team | 21y + 3d |
| 6 | HOLMES Matthew | Madison Genesis | 21y + 160d |
| 7 | MALUCELLI Matteo | Team Idea 2010 ASD | 21y + 209d |
| 8 | DE MAN Jaap | Team3M | 22y + 50d |
| 9 | GRIVELL-MELLOR Luke | JLT Condor | 22y + 97d |
| 10 | EDMONDSON Joshua | An Post - Chain Reaction | 22y + 315d |
| 11 | MOSES Thomas | JLT Condor | 23y + 14d |
| 12 | TIZZA Marco | Team Idea 2010 ASD | 23y + 100d |
| 13 | PÖSTLBERGER Lukas | Tirol Cycling Team | 23y + 127d |
| 14 | HOFER Andreas | Team Hrinkow Advarics Cycleang | 24y + 98d |
| 15 | ROWSELL Erick | Madison Genesis | 24y + 292d |
| 16 | SLEURS Christophe | Team3M | 24y + 326d |
| 17 | SCHOIBL Mario | Tirol Cycling Team | 24y + 326d |
| 18 | JANSSENS Jimmy | Team3M | 25y + 352d |
| 19 | HRINKOW Dominik | Team Hrinkow Advarics Cycleang | 26y + 286d |
| 20 | KRUOPIS Aidis | An Post - Chain Reaction | 28y + 203d |
| 21 | VIGANÒ Davide | Team Idea 2010 ASD | 30y + 339d |
| 22 | BENETSEDER Josef | Team Hrinkow Advarics Cycleang | 32y + 96d |
| 23 | REDA Francesco | Team Idea 2010 ASD | 32y + 179d |