All available race results Alastair Mackellar
| Date | Race | Rank |
| 15/05 | Trofeo Pollença | 76 |
| Volta a Portugal | ||
| 04/08 | Prologue | 22 |
| 05/08 | Stage 1 | 112 |
| 06/08 | Stage 2 | 100 |
| 07/08 | Stage 3 | 99 |
| 08/08 | Stage 4 | 52 |
| 10/08 | Stage 5 | 75 |
| 11/08 | Stage 6 | 2 |
| 12/08 | Stage 7 | 49 |
| 13/08 | Stage 8 | 68 |
| 14/08 | Stage 9 | 86 |
| 15/08 | Stage 10 | 41 |
| General Classification | 64 | |
| 15/09 | G.P. de Wallonie | 76 |
| 19/09 | Gooikse Pijl | 76 |
| 24/09 | World Championships U23 Road Race | 96 |
| Giro di Sicilia | ||
| 28/09 | Stage 1 | 125 |
| 29/09 | Stage 2 | 125 |
| 30/09 | Stage 3 | 114 |
| 01/10 | Stage 4 | 54 |
| General Classification | 73 | |
| 04/10 | Coppa Bernocchi | 45 |
| 07/10 | Gran Piemonte | 119 |
Rider information for 2021
| Rank | 1172 |
| Score | 20 |
| Name | Alastair MACKELLAR |
| Country | Australia |
| Team | Israel Cycling Academy |
| Date | Race | Rank |
| Santos Festival of Cycling | ||
| 26/01 | Stage C | 69 |
| 27/01 | Stage 1 | 4 |
| 28/01 | Stage 2 | 24 |
| 29/01 | Stage 3 | 17 |
| 29/01 | General Classification | 6 |
| Tour du Rwanda | ||
| 20/02 | Prologue | 7 |
| 21/02 | Stage 1 | 22 |
| 22/02 | Stage 2 | 36 |
| 23/02 | Stage 3 | 12 |
| 24/02 | Stage 4 | 32 |
| 25/02 | Stage 5 | 66 |
| 26/02 | Stage 6 | 59 |
| 27/02 | Stage 7 | 16 |
| General Classification | 26 | |
| 16/03 | Milano - Torino | 108 |
| Tour de Wallonie | ||
| 23/07 | Stage 1 | 116 |
| 24/07 | Stage 2 | 112 |
| 25/07 | Stage 3 | 120 |
| 26/07 | Stage 4 | 83 |
| 31/07 | Circuito de Getxo | 92 |
| Okolo Slovenska | ||
| 13/09 | Prologue | 35 |
| 14/09 | Stage 1 | 95 |
| 15/09 | Stage 2 | 12 |
| 16/09 | Stage 3 | 25 |
| 17/09 | Stage 4 | 52 |
| General Classification | 11 | |
| CRO Race | ||
| 27/09 | Stage 1 | 61 |
| 28/09 | Stage 2 | 93 |
| 29/09 | Stage 3 | 127 |
| 30/09 | Stage 4 | 101 |
| 01/10 | Stage 5 | 64 |
| 02/10 | Stage 6 | 86 |
| General Classification | 87 |
Rider information for 2022
| Rank | 1794 |
| Score | 9 |
| Name | Alastair MACKELLAR |
| Country | Australia |
| Team | Israel Cycling Academy |
| Date | Race | Rank |
| 22/01 | Clàssica Comunitat Valenciana 1969 - Gran Premi València | 64 |
| 25/01 | Trofeo Calvia | 87 |
| 26/01 | Trofeo Alcúdia | 60 |
| Istarsko proljece - Istrian Spring Trophy | ||
| 09/03 | Prologue | 101 |
| 10/03 | Stage 1 | 84 |
| 11/03 | Stage 2 | 34 |
| 12/03 | Stage 3 | 59 |
| General Classification | 43 | |
| 15/03 | Milano - Torino | 86 |
| Settimana Internazionale Coppi e Bartali | ||
| 21/03 | Stage 1 | 72 |
| 22/03 | Stage 2 | 88 |
| 23/03 | Stage 3 | 88 |
| 24/03 | Stage 4 | 86 |
| 25/03 | Stage 5 | 36 |
| General Classification | 84 | |
| 01/04 | G.P. Miguel Induráin | 91 |
| 09/08 | World Championships U23 Time Trial | 12 |
| 12/08 | World Championships U23 Road Race | 40 |
Rider information for 2023
| Rank | 745 |
| Score | 73 |
| Name | Alastair MACKELLAR |
| Country | Australia |
| Team | Israel - Premier Tech Academy |
| Date | Race | Rank |
| Circuit des Ardennes | ||
| 04/04 | Stage 1 | 76 |
| Tour de Bretagne | ||
| 25/04 | Stage 1 | 69 |
| 26/04 | Stage 2 | 79 |
| 27/04 | Stage 3 | 122 |
| 28/04 | Stage 4 | 117 |
| 29/04 | Stage 5 | 116 |
| 30/04 | Stage 6 | 86 |
| 01/05 | Stage 7 | 91 |
| General Classification | 95 | |
| 15/09 | Trofeo Matteotti | 69 |
| 07/10 | Coppa Bernocchi | 73 |
| 20/10 | Utsunomiya Japan Cup Road Race | 31 |
Rider information for 2024
| Rank | 1245 |
| Score | 18 |
| Name | Alastair MACKELLAR |
| Country | Australia |
| Team | Hagens Berman - Jayco |
| Date | Race | Rank |
| Tour Down Under | ||
| 21/01 | Stage 1 | 92 |
| 22/01 | Stage 2 | 68 |
| 23/01 | Stage 3 | 65 |
| 24/01 | Stage 4 | 89 |
| 25/01 | Stage 5 | 52 |
| 26/01 | Stage 6 | 107 |
| General Classification | 58 | |
| 30/01 | Surf Coast Classic | 86 |
| 02/02 | Cadel Evans Great Ocean Road Race | 68 |
Rider information for 2025
| Rank | 176 |
| Score | 15 |
| Name | Alastair MACKELLAR |
| Country | Australia |
| Team | EF Education - Easypost |