100 m Breaststroke, Women
| Competition | 1948 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Cuyahoga Falls, OH; San Diego, CA
 USA
|
| Held | 27 June 1948 |
| Status | Medal |
| Competitors | 4 |
| Countries | 1 |
San Diego, California / US Naval Base San Diego Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jeanne Wilson Lake Shore Aquatic Club, Chicago, IL |
USA |
1:28.0 | ||
| 🥈 | Joyce McCrea Crystal Plunge Pool |
USA |
— | ||
| 🥉 | Nancy Merki Multnomah Athletic Club |
USA |
— | ||
| 4 | Jean Gruizmacher Crystal Plunge Pool |
USA |
— |