All available race results Marc Williams
| Date | Race | Rank |
| 17/01 | Australian Championship Time Trial | 18 |
Rider information for 2003
| Rank | 3167 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Individual |
No results available in season 2005.
Rider information for 2005
| Rank | 2510 |
| Score | 1 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | MG Xpower p/b Bigpond |
No results available in season 2006.
Rider information for 2006
| Rank | 2695 |
| Score | 2 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Elite without contract |
| Date | Race | Rank |
| 11/01 | National Championship Australia | 21 |
| Tour of Wellington | ||
| 22/01 | Stage 2 | 48 |
| 23/01 | Stage 3 | 28 |
| 24/01 | Stage 4 | 18 |
| 24/01 | Stage 5 | 23 |
| 25/01 | Stage 6 | 61 |
| 25/01 | Stage 7 | 41 |
| General Classification | 37 |
Rider information for 2009
| Rank | 4692 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Elite without contract |
| Date | Race | Rank |
| 09/01 | National Championship Australia | 43 |
Rider information for 2011
| Rank | 4971 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Elite without contract |
| Date | Race | Rank |
| 10/01 | Australian Championship Time Trial | 12 |
| 18/03 | Oceania Continental Championships Road Race | 11 |
Rider information for 2012
| Rank | 4226 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Team Budget Forklifts |
| Date | Race | Rank |
| 09/01 | Australian Championship Time Trial | 12 |
| 13/01 | National Championship Australia | 31 |
Rider information for 2013
| Rank | 4749 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Team Budget Forklifts |
| Date | Race | Rank |
| 08/01 | Australian Championship Time Trial | 7 |
| 12/01 | National Championship Australia | 22 |
Rider information for 2014
| Rank | 2743 |
| Score | 3 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Team Budget Forklifts |
No results available in season 2015.
Rider information for 2015
| Rank | 4959 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Data #3 Symantec Racing Team p/b Scody |
| Date | Race | Rank |
| 12/01 | Australian Championship Time Trial | 13 |
| 19/02 | Melbourne - Warrnambool | 40 |
Rider information for 2022
| Rank | 5456 |
| Score | 0 |
| Name | Marc WILLIAMS |
| Country | Australia |
| Team | Elite without contract |