1947 Hiram S. Eggers Trophy
Statistics
| June 22 | 2½ Mile Course |
| Ohio River | 5 Mile Heat |
| Louisville, Kentucky | 5 Mile Race? |
The Free-for-all Hydroplane class was won by George Davis of Louisville, Kentucky in Hermes V at a time of 6 minutes 52.4 seconds-43.646 m.p.h.
[Statistics from Greene, V.1]