Winter X Games IX were held from January 29, 2005, to February 1, 2005, in Aspen, Colorado. They were the 4th consecutive Winter X Games to be held in Aspen. Television coverage of Winter X Games XI was broadcast on ESPN and ABC, primarily hosted by Sal Masekela and Todd Harris.
Disciplines at the 9th Winter X Games were:
Men's Best Trick
| Place | Athlete | Score |
|---|---|---|
| Gold | Brian Deegan | 93.00 |
| Silver | Jeff Kargola | 92.20 |
| Bronze | Dustin Miller | 91.60 |
Men's Ski Cross
| Place | Athlete | Time |
|---|---|---|
| Gold | Reggie Crist | |
| Silver | Zach Crist | |
| Bronze | Enak Gavaggio |
Women's Ski Cross
| Place | Athlete | Time |
|---|---|---|
| Gold | Sanna Tidstrand | 55.097 |
| Silver | Karin Huttary | 55.385 |
| Bronze | Magdalena Jonsson | 55.662 |
Men's Ski Slopestyle
| Place | Athlete | Score |
|---|---|---|
| Gold | Charles Gagnier | 92.66 |
| Silver | Tanner Hall | 91.00 |
| Bronze | Jon Olsson | 87.00 |
Men's Ski SuperPipe
| Place | Athlete | Score |
|---|---|---|
| Gold | Simon Dumont | 92.66 |
| Silver | Tanner Hall | 91.00 |
| Bronze | Jon Olsson | 87.00 |
Women's Ski SuperPipe
| Place | Athlete |
|---|---|
| Gold | Grete Eliassen |
| Silver | Sarah Burke |
| Bronze | Kristi Leskinen |
Men's Snowboard Cross
| Place | Athlete | Time |
|---|---|---|
| Gold | Xavier de le Rue | |
| Silver | Seth Wescott | |
| Bronze | Marco Huser |
Women's Snowboard Cross
| Place | Athlete | Time |
|---|---|---|
| Gold | Lindsey Jacobellis | 1:01.102 |
| Silver | Erin Simmons | |
| Bronze | Karine Ruby |
Men's Snowboard Slopestyle
| Place | Athlete | Score |
|---|---|---|
| Gold | Shaun White | 93.00 |
| Silver | Danny Kass | 90.33 |
| Bronze | Travis Rice | 87.00 |
Women's Snowboard Slopestyle
| Place | Athlete | Score |
|---|---|---|
| Gold | Janna Meyen | 91.33 |
| Silver | Silvia Mittermueller | 86.00 |
| Bronze | Natasza Zurek | 80.33 |
Men's Snowboard SuperPipe
| Place | Athlete | Score |
|---|---|---|
| Gold | Antti Autti | 93.00 |
| Silver | Andy Finch | 92.00 |
| Bronze | Danny Kass | 90.33 |
Women's Snowboard SuperPipe
| Place | Athlete | Score |
|---|---|---|
| Gold | Gretchen Bleiler | 89.00 |
| Silver | Doriane Vidal | 88.00 |
| Bronze | Hannah Teter | 86.66 |
Snocross
| Place | Athlete |
|---|---|
| Gold | Blair Morgan |
| Silver | Tucker Hibbert |
| Bronze | Steven Martin |
Men's Combined Ultracross
| Place | Athlete |
|---|---|
| Gold | Marco Huser/Eric Andersson |
| Silver | Xavier de le Rue/Davey Barr |
| Bronze | Nate Holland/Eric Archer |