| Competition | 1990 USA Swimming National Championships (Outdoor/LCM) | 
|---|---|
| Venue | Austin, Texas | 
| Held | 2 August 1990 | 
| Status | Medal | 
| Competitors | 8 | 
| Countries | 1 | 
Austin, Texas / Texas Swim Center / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jeff Rouse Tarn-Pure | 54.86 | * | ||
| 🥈 | Scott Johnson Hillenbrand Aquatics | 56.11 | |||
| 🥉 | Jeff Thibault The Woodlands Swim Team | 56.60 | |||
| 4 | Dan Veatch Mass Bay | 56.73 | |||
| 5 | Andy Gill Los Angeles Athletic Club | 56.88 | |||
| 6 | Doug Jones Las Vegas Gold | 57.24 | |||
| 7 | Bobby Brewer Tara Tarpons | 58.56 | |||
| 8 | Eric Hansen Hillenbrand Aquatics | 59.27 |