Info
| Last name | De Jong |
| First name | Stef |
| Nationality |  Netherlands |
| Date of birth | 10-01-2004 |
| Age | 21 |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 22-09 | 18 | Ronde van Midden-Brabant (National) | |||||
| 08-09 | 27 | Eurode Omloop (Nat) | |||||
 Course Cycliste de Solidarnosc et des Champions Olympiques (2.2) | |||||||
| 50 |  Standings | ||||||
| 26 |  Points | ||||||
| 18 |  Youth | ||||||
| 3 |  Mountain | ||||||
| 28-06 | 72 | Stage 3Jedrzejow - Jaworzno (143.0km) | |||||
| 27-06 | Stage 2Koluszki - Kielce (216.0km) | ||||||
| 26-06 | 28 | Stage 1bKonstantynów Łódzki - Skierniewice (116.0km) | |||||
| 26-06 | 83 | Stage 1aLodz - Zdunska Wola (87.0km) | |||||
| 23-06 | 43 | National Road Championships - Netherlands U23 (CN) | |||||
| Tour of Malopolska (2.2) | |||||||
| 78 | Standings | ||||||
| 26 | Youth | ||||||
| 02-06 | 109 | Stage 3Jablonka - Stary Sacz Przehyba (130.0km) | |||||
| 31-05 | 52 | Stage 1Koszyce - Myslenice (143.0km) | |||||
| 30-05 | 76 | PrologueKraków - Kraków (1.0km) | |||||
| 04-05 | DNF | Ronde van Overijssel (1.2) | |||||
Teams
| Year | Team |
|---|---|
| 2026 | EEW - VDK Cycling Team |
| 2025 | Volharding Cycling Team |
Victories
| This year | 0 |
| Total | 0 |