All available race results Lachlan Harrigan
| Date | Race | Rank |
| Santos Festival of Cycling | ||
| 26/01 | Stage C | 113 |
| 27/01 | Stage 1 | 102 |
| 28/01 | Stage 2 | 88 |
| 29/01 | Stage 3 | 109 |
| 29/01 | General Classification | 110 |
| 19/02 | Melbourne - Warrnambool | 62 |
| 10/04 | Oceania Continental Championships Road Race | 34 |
Rider information for 2022
| Rank | 5451 |
| Score | 0 |
| Name | Lachlan HARRIGAN |
| Country | Australia |
| Team | Elite without contract |
| Date | Race | Rank |
| 04/02 | Melbourne - Warrnambool | 18 |
| 01/04 | Oceania Continental Championships Road Race | 29 |
| Tour of Poyang Lake | ||
| 08/09 | Stage 1 | 32 |
| 09/09 | Stage 2 | 54 |
| 10/09 | Stage 3 | 63 |
| 11/09 | Stage 4 | 16 |
| 12/09 | Stage 5 | 44 |
| General Classification | 35 | |
| 24/09 | Tour of Binzhou | 42 |
| Tour de Kyushu | ||
| 07/10 | Stage 1 | 77 |
| 08/10 | Stage 2 | 53 |
| 09/10 | Stage 3 | 55 |
| General Classification | 61 |
Rider information for 2023
| Rank | 4569 |
| Score | 2 |
| Name | Lachlan HARRIGAN |
| Country | Australia |
| Team | St. George Continental Cycling Team |
| Date | Race | Rank |
| New Zealand Cycle Classic | ||
| 10/01 | Stage 1 | 25 |
| 11/01 | Stage 2 | 28 |
| 12/01 | Stage 3 | 29 |
| 13/01 | Stage 4 | 41 |
| 14/01 | Stage 5 | 48 |
| General Classification | 26 | |
| 03/02 | Melbourne - Warrnambool Classic | 52 |
| Tour de Taiwan | ||
| 10/03 | Stage 1 | 73 |
| 11/03 | Stage 2 | 68 |
| 12/03 | Stage 3 | 83 |
| 13/03 | Stage 4 | 58 |
| 14/03 | Stage 5 | 28 |
| General Classification | 69 | |
| Tour of Qinghai Lake | ||
| 07/07 | Stage 1 | 70 |
| 08/07 | Stage 2 | 96 |
| 09/07 | Stage 3 | 109 |
| 10/07 | Stage 4 | 110 |
Rider information for 2024
| Rank | 4385 |
| Score | 0 |
| Name | Lachlan HARRIGAN |
| Country | Australia |
| Team | St. George Continental Cycling Team |