Sep 26-27, 2015 - Manson, WA - Lake Chelan
Winners
| Date | Driver | Boat | Class |
|---|---|---|---|
| Sat Sep. 26 | MATT MATTSON | GH76 - MISS MATTSON | GRAND NATIONAL HYDRO |
| Sat Sep. 26 | TKO RACING/ THOMPSON BROTHERS RACING LLC | E35 - TM SPECIAL | 5 LTR |
| Sat Sep. 26 | AUSTIN EACRET | S36 - SUBVERT RACING | 2.5 LTR STOCK |
| Sat Sep. 26 | STAN MASEL | Y70 - GRUMPY | 1 LTR |
| Sat Sep. 26 | DAVID RANKIN | SS80 - WILD CHILD | SUPER STOCK |
| Sat Sep. 26 | RICK BRIDGEMAN | GP17 - SHOCKWAVE RACING | GRAND PRIX |
| Sat Sep. 26 | LARRY SHEPHARD | FORMULA 150 | |
| Sat Sep. 26 | Single Event Member | FORMULA 1 | |
| Sun Sep. 27 | MATT MATTSON | GH76 - MISS MATTSON | GRAND NATIONAL HYDRO |
| Sun Sep. 27 | WALLY JOHNSTON | 5 LTR | |
| Sun Sep. 27 | AUSTIN EACRET | S36 - SUBVERT RACING | 2.5 LTR STOCK |
| Sun Sep. 27 | STAN MASEL | Y70 - GRUMPY | 1 LTR |
| Sun Sep. 27 | SCOTT PIERCE | GP55 - CABO MARINE | GRAND PRIX |
| Sun Sep. 27 | LARRY SHEPHARD | FORMULA 150 | |
| Sun Sep. 27 | Single Event Member | FORMULA 1 | |
| Sun Sep. 27 | PRESTON REITZ | J CLASS H |