| Nr. | Rider | Last team | Age | Retirement date |
|---|---|---|---|---|
| 1 | Martens Paul | Team Jumbo-Visma | 37 | 2021-06-30 |
| 2 | Sicard Romain | Team Total Direct Energie | 33 | 2021-04-09 |
| 3 | Wynants Maarten | Team Jumbo-Visma | 38 | 2021-04-04 |
| 4 | Sureda Jaume | Burgos-BH | 24 | 2021-01-29 |
| Nr. | Rider | Last team | Age | Retirement date |
|---|---|---|---|---|
| 1 | Martens Paul | Team Jumbo-Visma | 37 | 2021-06-30 |
| 2 | Sicard Romain | Team Total Direct Energie | 33 | 2021-04-09 |
| 3 | Wynants Maarten | Team Jumbo-Visma | 38 | 2021-04-04 |
| 4 | Sureda Jaume | Burgos-BH | 24 | 2021-01-29 |