Penny Lee Dean swim on 29 July 1978
| Swimmer |
| Name | Dean, Penny Lee |
| Gender | F |
| Age | 23 |
| Nationality | USA |
| Country | USA |
| Swim |
| Date | 29 Jul 1978 |
| No of Ways, Leg, Direction | 1-way, 1st, E-F |
| Swim Time, Departure, Arrival | 07:40:00, 08:05:00, 15:45:00 |
| Ratifying Organisation | CSA |
| Swim Crew and Support |
| Pilot, Boat | Reg Brickell Sr, Stumark |
| Observer | M. Whipperfield |
| Miscellaneous |
| Comment | Fastest person (until 1994) Fastest lady. Worked closely with her mother as support |
| Sea Temperature (C) |
| Wind Speed (kn) |
All times are UTC/GMT, adjusted by one hour ahead during the summer to British Summer Time (BST).