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In This Section
USMS Top 10 Swims by William B Derdeyn (1)
Below are all recorded individual Top 10 achievements for William B Derdeyn since 1971.
2018 Short Course Yards
| Place | Event | Name | Age | Club | LMSC | Time |
|---|---|---|---|---|---|---|
| 9 | M25-29 50 Fly | William B Derdeyn | 27 | WMAC | Wisconsin | 22.70 |
USMS Top 10 Relay Swims by William B Derdeyn
No relay Top 10 swims were found for William B Derdeyn.