100 m Freestyle, Men
| Competition | 2003 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
College Park, Maryland
 USA
|
| Held | 6 August 2003 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
College Park, Maryland
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Michael Phelps North Baltimore Aquatic Club |
USA |
49.19 | ||
| 🥈 | Neil Walker Circle C Swim Team |
USA |
49.99 | ||
| 🥈 | Brent Hayden |  CAN |
49.99 | ||
| 4 | Randall Bal Stanford University |
USA |
50.30 | ||
| 5 | Gabe Woodward Irvine Novaquatics |
USA |
50.33 | ||
| 6 | Matt Grevers Patriot Aquatic Club |
USA |
50.62 | ||
| 7 | Kyle Bubolz Waukesha Express Swim Team |
USA |
51.10 | ||
| 8 | Sabir Muhammad Auburn Aquatics |
USA |
51.12 |