100 m Butterfly, Men
| Competition | 1966 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Lincoln, Nebraska
 USA
|
| Held | 18 August 1966 |
| Status | Medal |
| Competitors | 8 |
| Countries | 3 |
Lincoln, Nebraska / Woods Memorial Park / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Mark Spitz Santa Clara Swim Club |
USA |
58.1 | ||
| 🥈 | Ross Wales Y Neptune |
USA |
58.4 | ||
| 🥉 | Luis Nicolao Santa Clara Swim Club |
 ARG |
58.4 | ||
| 4 | Jon Helland Los Angeles Athletic Club |
USA |
59.1 | * | |
| 5 | Bruce Lechler Philadelphia Aquatic Club |
USA |
59.0 | * | |
| 6 | Doug Russell Buford Swim Club |
USA |
59.1 | * | |
| 7 | Vernon Slovin Unattached |
 RSA |
59.5 | ||
| 8 | John Russell Lake Erie Community Club Silver Dolphins |
USA |
1:00.2 |