Timothy ("Tim") M. Seaman (born May 14, 1972 in North Kingstown, Rhode Island) is a male race walker from the United States. He twice competed for his native country at the Summer Olympics (2000 and 2004)
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing the United States | |||||
| 1999 | World Championships | Seville, Spain | 24th | 20 km | |
| 2000 | Olympic Games | Sydney, Australia | 40th | 20 km | |
| 2001 | World Championships | Edmonton, Canada | — | 20 km | DSQ |
| 2003 | Pan American Games | Santo Domingo, Dominican Republic | 7th | 20 km | |
| 2004 | Olympic Games | Athens, Greece | 20th | 20 km | |
| 2005 | World Championships | Helsinki, Finland | 31st | 20 km | |
| 2007 | World Championships | Osaka, Japan | 31st | 20 km | |
| 2010 | US National Championships | Des Moines, United States | 2nd | 20 km | |