All available race results William Aranzazu Escobar
| Date | Race | Rank |
| 21/09 | World Championships U23 Time Trial | 53 |
Rider information for 2005
| Rank | 1437 |
| Score | 11 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Elite without contract |
No results available in season 2007.
Rider information for 2007
| Rank | 1987 |
| Score | 5 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Elite without contract |
| Date | Race | Rank |
| 30/11 | Campeonato Nacional de Colombia | 9 |
Rider information for 2008
| Rank | 1306 |
| Score | 14 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Elite without contract |
| Date | Race | Rank |
| 12/04 | Klasika Primavera de Amorebieta | 90 |
| Vuelta a Asturias | ||
| 28/04 | Stage 1 | 18 |
| 29/04 | Stage 2 | 50 |
| 30/04 | Stage 3 | 17 |
| 30/04 | Stage 4 | 70 |
| 01/05 | Stage 5 | 104 |
| 02/05 | Stage 6 | 35 |
| General Classification | 58 | |
| Vuelta Ciclista Comunidad de Madrid | ||
| 17/07 | Stage 1 | 92 |
| 18/07 | Stage 2 | 17 |
| General Classification | 96 | |
| 25/07 | Prueba Villafranca-Ordiziako Klasika | 81 |
| 31/07 | Circuito de Getxo | 19 |
Rider information for 2009
| Rank | 2324 |
| Score | 3 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Boyaca Es Para Vivirla |
No results available in season 2010.
Rider information for 2010
| Rank | 2704 |
| Score | 3 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Elite without contract |
| Date | Race | Rank |
| Vuelta Ciclista Comunidad de Madrid | ||
| 07/05 | Prologue | 90 |
| 07/05 | Stage 1 | 26 |
| 08/05 | Stage 2 | 90 |
| General Classification | 90 | |
| Route du Sud | ||
| 16/06 | Stage 1 | 58 |
Rider information for 2011
| Rank | 4602 |
| Score | 0 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Miche - Guerciotti |
No results available in season 2013.
Rider information for 2013
| Rank | 3141 |
| Score | 2 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Elite without contract |
No results available in season 2014.
Rider information for 2014
| Rank | 1867 |
| Score | 9 |
| Name | William ARANZAZU ESCOBAR |
| Country | Colombia |
| Team | Elite without contract |