| Code | SWI-M-012407 |
|---|---|
| Gender | Male |
| Full name | Hendrick A. "Sandy”•Gideonse |
| Used name | Sandy•Gideonse |
| Died | 3 December 1998 |
Killed in a traffic accident.
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 1952 USA Swimming National Championships (Outdoor/LCM) | Newark, NJ; Indianapolis, IN | 110 y Freestyle, Men | 7 | |||
| Swimming | 1952 USA Swimming National Championships (Outdoor/LCM) | Newark, NJ; Indianapolis, IN | 110 y Backstroke, Men | 8 | |||
| Swimming | 1953 USA Swimming National Championships (Outdoor/LCM) | Indianapolis, IN; Portland, OR | 100 m Freestyle, Men | 4 | |||
| Swimming | 1953 USA Swimming National Championships (Outdoor/LCM) | Indianapolis, IN; Portland, OR | 4 x 200 m Freestyle Relay, Men | 🥇 | |||
| Swimming | 1954 USA Swimming National Championships (Outdoor/LCM) | Indianapolis, Indiana | 100 m Freestyle, Men | 🥈 | |||
| Swimming | 1955 USA Swimming National Championships (Outdoor/LCM) | Los Angeles, CA; Philadelphia, PA | 100 m Freestyle, Men | 🥇 | |||
| Swimming | 1955 USA Swimming National Championships (Outdoor/LCM) | Los Angeles, CA; Philadelphia, PA | 4 x 100 m Medley Relay, Men | 🥇 |