Info
| Last name | Sierra |
| First name | Juan David |
| Nationality |  Italy |
| Date of birth | 25-01-2005 |
| Age | 20 |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 05-06 | 100 | Gran Premio dell'Arno (1.1) | |||||
 Trophée Centre Morbihan (2.NCUP) | |||||||
| 22-05 | 68 | Stage 2aRéguiny - Évellys (7.0km) | |||||
| 22-05 | DNF | Stage 2bBuléon - Locminé (109.0km) | |||||
| 21-05 | 94 | Stage 1Pluvigner - Pluvigner (115.0km) | |||||
Teams
| Year | Team |
|---|---|
| 2026 |  Tudor Pro Cycling Team U23 |
| 2025 | Tudor Pro Cycling Team U23 |
| 2024 | Tudor Pro Cycling Team U23 |
Victories
| This year | 0 |
| Total | 3 |