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USMS Top 10 Swims by John W Ko
No individual Top 10 swims were found for John W Ko.
USMS Top 10 Relay Swims by John W Ko (1)
Below are all recorded relay Top 10 achievements for John W Ko since 1971.
2023 Short Course Meters
| Place | Event | Name | Age | Club | LMSC | Time |
|---|---|---|---|---|---|---|
| 9 | M160-199 200 Free | John W Ko | 37 | L4S | Potomac Valley | 1:56.78 |