Twan Castelijns
Twan Castelijns is a Dutch former cyclist, who rode professionally between 2014 and 2017 for the, and squads. During his career, he contested two Grand Tours; the 2016 Giro d'Italia, and the 2017 Giro d'Italia.
Major results
;2014;2015
;2017
Grand Tour general classification results timeline
| Grand Tour | 2016 | 2017 |
| Giro d'Italia | 114 | 130 |
| Tour de France | — | — |
| Vuelta a España | — | — |
| — | Did not compete |
| DNF | Did not finish |