All available race results Sebastian Nielsen
| Date | Race | Rank |
| 18/08 | Fyen Rundt | 18 |
Rider information for 2019
Rider Sebastian Nielsen is not classified in 2019.
| Date | Race | Rank |
| 30/05 | Fyen Rundt | 17 |
| PostNord Danmark Rundt | ||
| 10/08 | Stage 1 | 75 |
| 11/08 | Stage 2 | 56 |
| 12/08 | Stage 3 | 67 |
| 13/08 | Stage 4 | 2 |
| 14/08 | Stage 5 | 95 |
| General Classification | 50 |
Rider information for 2021
| Rank | 1348 |
| Score | 14 |
| Name | Sebastian NIELSEN |
| Country | Denmark |
| Team | Restaurant Suri - Carl Ras |
| Date | Race | Rank |
| PostNord Danmark Rundt | ||
| 16/08 | Stage 1 | 44 |
| 17/08 | Stage 2 | 94 |
| 18/08 | Stage 3 | 125 |
| 19/08 | Stage 4 | 30 |
| 20/08 | Stage 5 | 51 |
| General Classification | 73 |
Rider information for 2022
| Rank | 1963 |
| Score | 7 |
| Name | Sebastian NIELSEN |
| Country | Denmark |
| Team | Restaurant Suri - Carl Ras |
| Date | Race | Rank |
| 04/03 | Grand Prix Criquielion | 43 |
| 05/03 | G.P. Jean-Pierre Monseré | 95 |
| Tour du Loir-et-Cher | ||
| 12/04 | Stage 1 | 8 |
| 13/04 | Stage 2 | 10 |
| 15/04 | Stage 4 | 10 |
| 16/04 | Stage 5 | 8 |
| 14/05 | Fyen Rundt | 51 |
| PostNord Danmark Rundt | ||
| 15/08 | Stage 1 | 8 |
| 16/08 | Stage 2 | 14 |
| 17/08 | Stage 3 | 111 |
| 18/08 | Stage 4 | 10 |
| 19/08 | Stage 5 | 100 |
| General Classification | 74 |
Rider information for 2023
| Rank | 1262 |
| Score | 22 |
| Name | Sebastian NIELSEN |
| Country | Denmark |
| Team | Team ColoQuick |
| Date | Race | Rank |
| 27/02 | Le Samyn | 77 |
| 02/03 | Grand Prix Criquielion | 26 |
| 03/03 | G.P. Jean-Pierre Monseré | 62 |
| Olympia's Tour | ||
| 20/03 | Stage 1 | 98 |
| 03/04 | Scheldeprijs | 117 |
| Presidential Tour of Turkey | ||
| 21/04 | Stage 1 | 50 |
| 22/04 | Stage 2 | 15 |
| 23/04 | Stage 3 | 55 |
| 24/04 | Stage 4 | 4 |
| 25/04 | Stage 5 | 50 |
| 26/04 | Stage 6 | 76 |
| 27/04 | Stage 7 | 10 |
| General Classification | 63 |
Rider information for 2024
| Rank | 1229 |
| Score | 5 |
| Name | Sebastian NIELSEN |
| Country | Denmark |
| Team | TDT - Unibet |