All available race results Efrén Alfaro
| Date | Race | Rank |
| Vuelta a Colombia | ||
| 19/06 | Stage 1 | 47 |
Rider information for 1957
| Rank | 1788 |
| Score | 0 |
| Name | Efrén ALFARO |
| Country | Colombia |
| Team | Individual |
| Date | Race | Rank |
| Vuelta a Colombia | ||
| 31/05 | Stage 1 | 48 |
| 01/06 | Stage 2 | 47 |
| 02/06 | Stage 3 | 51 |
| 03/06 | Stage 4 | 50 |
| 04/06 | Stage 5 | 6 |
| 05/06 | Stage 6 | 50 |
| 07/06 | Stage 7 | 13 |
| 08/06 | Stage 8 | 47 |
| 09/06 | Stage 9 | 45 |
| 10/06 | Stage 10 | 29 |
| 11/06 | Stage 11 | 31 |
| 13/06 | Stage 12 | 47 |
| 14/06 | Stage 13 | 45 |
| 15/06 | Stage 14 | 39 |
| 16/06 | Stage 15 | 37 |
| 16/06 | General Classification | 44 |
Rider information for 1960
| Rank | 1899 |
| Score | 0 |
| Name | Efrén ALFARO |
| Country | Colombia |
| Team | Individual |