All available race results William Dugan
No results available in season 2008.
Rider information for 2008
| Rank | 2823 |
| Score | 2 |
| Name | William DUGAN |
| Country | United States |
| Team | Elite without contract |
No results available in season 2009.
Rider information for 2009
| Rank | 3131 |
| Score | 1 |
| Name | William DUGAN |
| Country | United States |
| Team | Team Type 1 |
Rider information for 2010
| Rank | 2804 |
| Score | 2 |
| Name | William DUGAN |
| Country | United States |
| Team | Team Type 1 |
| Date | Race | Rank |
| 16/03 | Nokere Koerse | 51 |
| Amgen Tour of California | ||
| 16/05 | Stage 2 | 63 |
| 17/05 | Stage 3 | 134 |
| Tour of Qinghai Lake | ||
| 02/07 | Stage 1 | 91 |
| 03/07 | Stage 2 | 115 |
| 04/07 | Stage 3 | 64 |
| 05/07 | Stage 4 | 102 |
| 06/07 | Stage 5 | 60 |
| 07/07 | Stage 6 | 118 |
| 08/07 | Stage 7 | 94 |
| 09/07 | Stage 8 | 103 |
| 10/07 | Stage 9 | 29 |
| General Classification | 72 | |
| USA Pro Challenge | ||
| 22/08 | Prologue | 104 |
| 23/08 | Stage 1 | 104 |
| 24/08 | Stage 2 | 57 |
| 25/08 | Stage 3 | 86 |
| 26/08 | Stage 4 | 16 |
| 27/08 | Stage 5 | 56 |
| 28/08 | Stage 6 | 27 |
| General Classification | 56 | |
| Tour du Rwanda | ||
| 20/11 | Stage 1 | 34 |
| 21/11 | Stage 2 | 28 |
| 21/11 | Stage 3 | 24 |
| 22/11 | Stage 4 | 10 |
| 23/11 | Stage 5 | 26 |
Rider information for 2011
| Rank | 2883 |
| Score | 2 |
| Name | William DUGAN |
| Country | United States |
| Team | Team Type 1 - Sanofi Aventis |
No results available in season 2012.
Rider information for 2012
| Rank | 3908 |
| Score | 0 |
| Name | William DUGAN |
| Country | United States |
| Team | Team Type 1 - Sanofi |
No results available in season 2016.
Rider information for 2016
| Rank | 3776 |
| Score | 2 |
| Name | William DUGAN |
| Country | United States |
| Team | Elite without contract |
No results available in season 2018.
Rider information for 2018
| Rank | 3439 |
| Score | 3 |
| Name | William DUGAN |
| Country | United States |
| Team | Elite without contract |