Debutants
Ryan Jastrab is the youngest debutant in Japan Cup Cycle Road Race in 2019. There are 62 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | JASTRAB Ryan | Wildlife Generation p/b Maxxis | 19y + 95d |
| 2 | KOIDE Itsuki | Japan | 19y + 363d |
| 3 | PAQUOT Tom | Wallonie-Bruxelles | 20y + 28d |
| 4 | YAOWARAT Ratchanon | Thailand Continental Cycling Team | 20y + 66d |
| 5 | CHAIYASOMBAT Thanakhan | Thailand Continental Cycling Team | 20y + 116d |
| 6 | ODA Hijiri | Japan | 20y + 331d |
| 7 | CARR Simon | Delko Marseille Provence | 21y + 52d |
| 8 | ABD RASIM Mohamad Saari Amri | Team Sapura Cycling | 21y + 77d |
| 9 | WIRTGEN Luc | Wallonie-Bruxelles | 21y + 105d |
| 10 | MOHD SHUKRI Muhammad Shaiful Adlan | Team Sapura Cycling | 21y + 147d |
| 11 | FOUCHÉ James | Mitchelton-Scott | 21y + 206d |
| 12 | ÖZGÜR Batuhan | Team Sapura Cycling | 21y + 261d |
| 13 | DELETTRE Alexandre | Delko Marseille Provence | 21y + 360d |
| 14 | SHIMPO Masatoshi | Nasu Blasen | 22y + 17d |
| 15 | MISBAH Muhsin Al Redha | Team Sapura Cycling | 22y + 89d |
| 16 | NAKAMURA Kaito | Nasu Blasen | 22y + 273d |
| 17 | MOLLY Kenny | Wallonie-Bruxelles | 22y + 300d |
| 18 | NAKAI Tadaaki | Shimano Racing Team | 22y + 312d |
| 19 | ROSS Kent | Wildlife Generation p/b Maxxis | 22y + 322d |
| 20 | AULAR Orluis | Matrix Powertag | 22y + 349d |
| 21 | KIRBY Quinton | Wildlife Generation p/b Maxxis | 22y + 357d |
| 22 | ZAKARIA Akmal Hakim | Team Sapura Cycling | 23y + 25d |
| 23 | POWLESS Neilson | Team Jumbo-Visma | 23y + 47d |
| 24 | WHELAN James | EF Education First | 23y + 101d |
| 25 | ROCHAS Rémy | Delko Marseille Provence | 23y + 155d |
| 26 | CHANCE Maxx | Wildlife Generation p/b Maxxis | 23y + 173d |
| 27 | GROŠELJ Matic | Ljubljana Gusto Santic | 23y + 198d |
| 28 | BENNETT Sean | EF Education First | 23y + 203d |
| 29 | PAASSCHENS Mathijs | Wallonie-Bruxelles | 23y + 216d |
| 30 | WIRTGEN Tom | Wallonie-Bruxelles | 23y + 230d |
| 31 | ZACCANTI Filippo | Nippo Vini Fantini Faizanè | 24y + 38d |
| 32 | BOARDMAN Samuel | Wildlife Generation p/b Maxxis | 24y + 42d |
| 33 | DE ROSSI Lucas | Delko Marseille Provence | 24y + 65d |
| 34 | ARAI Yuta | Kinan Cycling Team | 24y + 93d |
| 35 | NOVAK Domen | Bahrain Merida | 24y + 100d |
| 36 | NISHIO Keito | Nasu Blasen | 24y + 106d |
| 37 | EG Niklas | Trek - Segafredo | 24y + 287d |
| 38 | HOFSTEDE Lennard | Team Jumbo-Visma | 24y + 295d |
| 39 | CICCONE Giulio | Trek - Segafredo | 24y + 304d |
| 40 | KUSS Sepp | Team Jumbo-Visma | 25y + 37d |
| 41 | YOKOTSUKA Kohei | Team UKYO | 25y + 73d |
| 42 | KOBAYASHI Marino | Japan | 25y + 111d |
| 43 | KOROŠEC Rok | Ljubljana Gusto Santic | 25y + 330d |
| 44 | PIBERNIK Luka | Bahrain Merida | 25y + 362d |
| 45 | KAMSTRA Brian | Team Novo Nordisk | 26y + 107d |
| 46 | PENG Yuan Tang | Ljubljana Gusto Santic | 26y + 163d |
| 47 | SMITH Dion | Mitchelton-Scott | 26y + 231d |
| 48 | CHIKATANI Ryo | Team Bridgestone Cycling | 27y + 186d |
| 49 | BERNARD Julien | Trek - Segafredo | 27y + 217d |
| 50 | AMAGOI Tatsuki | Kinan Cycling Team | 27y + 289d |
| 51 | MORTON Lachlan | EF Education First | 27y + 291d |
| 52 | JONES Brenton | Delko Marseille Provence | 27y + 312d |
| 53 | BROWN Nathan | EF Education First | 28y + 105d |
| 54 | THEUNS Edward | Trek - Segafredo | 28y + 173d |
| 55 | PERNSTEINER Hermann | Bahrain Merida | 29y + 74d |
| 56 | COLBRELLI Sonny | Bahrain Merida | 29y + 156d |
| 57 | DYBALL Benjamin | Team Sapura Cycling | 30y + 183d |
| 58 | PLANCKAERT Baptiste | Wallonie-Bruxelles | 31y + 22d |
| 59 | MEYER Cameron | Mitchelton-Scott | 31y + 282d |
| 60 | KRUIJSWIJK Steven | Team Jumbo-Visma | 32y + 135d |
| 61 | WOODS Michael | EF Education First | 33y + 8d |
| 62 | KUSZTOR Péter | Team Novo Nordisk | 34y + 297d |