All available race results Otto van Zanden
| Date | Race | Rank |
| Sibiu Cycling Tour | ||
| 06/07 | Stage 1 | 78 |
| 07/07 | Stage 2 | 26 |
| 08/07 | Stage 3 | 25 |
| 09/07 | Stage 4a | 50 |
| 09/07 | Stage 4b | 78 |
| General Classification | 21 | |
| 28/09 | Circuit Franco-Belge | 67 |
| Presidential Tour of Turkey | ||
| 08/10 | Stage 1 | 71 |
| 09/10 | Stage 2 | 70 |
| 10/10 | Stage 3 | 38 |
| 11/10 | Stage 4 | 126 |
| 12/10 | Stage 5 | 90 |
| 13/10 | Stage 6 | 41 |
| 14/10 | Stage 7 | 65 |
| 15/10 | Stage 8 | 57 |
| General Classification | 66 |
Rider information for 2023
| Rank | 6643 |
| Score | 0 |
| Name | Otto VAN ZANDEN |
| Country | Netherlands |
| Team | A Bloc CT |
| Date | Race | Rank |
| Tour of Hellas | ||
| 15/05 | Stage 1 | 56 |
| 15/05 | Stage 1 | 45 |
| 16/05 | Stage 2 | 36 |
| 17/05 | Stage 3 | 17 |
| 18/05 | Stage 4 | 56 |
| 19/05 | Stage 5 | 44 |
| General Classification | 17 | |
| Sibiu Cycling Tour | ||
| 06/07 | Stage 1 | 29 |
| 07/07 | Stage 2 | 64 |
| 07/07 | Stage 2 | 38 |
| 08/07 | Stage 3 | 25 |
| 09/07 | Stage 4 | 75 |
| General Classification | 22 | |
| Tour of Poyang Lake | ||
| 04/09 | Stage 2 | 31 |
| 05/09 | Stage 3 | 47 |
| 06/09 | Stage 4 | 43 |
| 07/09 | Stage 5 | 26 |
| 08/09 | Stage 6 | 65 |
| 09/09 | Stage 7 | 11 |
| 10/09 | Stage 8 | 68 |
| 11/09 | Stage 9 | 63 |
| 12/09 | Stage 10 | 15 |
| General Classification | 9 |
Rider information for 2024
| Rank | 5002 |
| Score | 0 |
| Name | Otto VAN ZANDEN |
| Country | Netherlands |
| Team | Parkhotel Valkenburg |
| Date | Race | Rank |
| Tour of Hainan | ||
| 07/04 | Stage 1 | 89 |
| 08/04 | Stage 2 | 79 |
| 09/04 | Stage 3 | 30 |
| 10/04 | Stage 4 | 34 |
| 11/04 | Stage 5 | 51 |
| General Classification | 34 | |
| Sibiu Cycling Tour | ||
| 03/07 | Stage 1 | 68 |
| 04/07 | Stage 2 | 17 |
| 05/07 | Stage 3 | 21 |
| 06/07 | Stage 4 | 35 |
| General Classification | 18 | |
| Tour de l'Avenir | ||
| 29/08 | General Classification | 19 |
| Tour of Poyang Lake | ||
| 15/09 | Stage 1 | 6 |
| 16/09 | Stage 2 | 116 |
| 17/09 | Stage 3 | 23 |
| 19/09 | Stage 5 | 66 |
| 20/09 | Stage 6 | 43 |
| 22/09 | Stage 7 | 44 |
| 23/09 | Stage 8 | 27 |
| 24/09 | Stage 9 | 67 |
| 25/09 | Stage 10 | 15 |
| 26/09 | Stage 11 | 47 |
| General Classification | 6 | |
| Tour of Taihu Lake | ||
| 09/10 | Stage 1 | 37 |
| 10/10 | Stage 2 | 69 |
| 11/10 | Stage 3 | 90 |
| 12/10 | Stage 4 | 101 |
| General Classification | 42 |
Rider information for 2025
| Rank | 1388 |
| Score | 16 |
| Name | Otto VAN ZANDEN |
| Country | Netherlands |
| Team | Parkhotel Valkenburg |
| Date | Race | Rank |
| 04/04 | NXT Classic | 19 |
| 24/05 | Grand Prix Criquielion | 39 |
| 14/06 | Muur Classic Geraardsbergen | 57 |
| Tour of Magnificent Qinghai | ||
| 11/07 | Stage 1 | 35 |
| 12/07 | Stage 2 | 29 |
| 13/07 | Stage 3 | 22 |
| 14/07 | Stage 4 | 20 |
| 15/07 | Stage 5 | 13 |
| 17/07 | Stage 7 | 63 |
| 18/07 | General Classification | 15 |
| 18/07 | Stage 8 | 27 |
Rider information for 2026
| Rank | 1021 |
| Score | 20 |
| Name | Otto VAN ZANDEN |
| Country | Netherlands |
| Team | Azerion - Villa Valkenburg |