All available race results Robert Adam "Bob" Spears
| Date | Race | Rank |
| 11/12 | New York Six Days | 2 |
| 25/12 | Six Days Boston | 2 |
Rider information for 1915
| Rank | 34 |
| Score | 98 |
| Name | Robert Adam "Bob" SPEARS |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 09/12 | New York Six Days | 3 |
Rider information for 1916
| Rank | 20 |
| Score | 73 |
| Name | Robert Adam "Bob" SPEARS |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 08/01 | New York Six Days | 5 |
Rider information for 1917
| Rank | 73 |
| Score | 55 |
| Name | Robert Adam "Bob" SPEARS |
| Country | Australia |
| Team | Individual |