Jul 4

Jul 4 - Jul 5

4th of July Boat Races

SE

Zimovia Strait

Wrangell, AK

Jul 5

Jul 5 - Jul 6

2025 Madison Regatta

INB-UNL

Ohio River

Madison, IN

Jul 11

Jul 11 - Jul 13

Les Régates de Valleyfield

SE-INB

St-Laurence River

Salaberry-de-Valleyfield, CN

Jul 12

Jul 12 - Jul 13

Black Lake Regatta Inboard Summe...

VINTAGE-INB

Black Lake

Olympia, WA

Jul 12 - Jul 13

Rock Falls River Chase

MOD-SO-J CLSES

Rock River

Rock Falls, IL

Jul 12 - Jul 13

Leo Fry Memorial

OB RR

Rogue River

Agness, OR

Jul 12 - Jul 13

Wild Ones Regatta

SO;D-J CLSES

Grass Lake

Grass Lake, MI

Jul 12 - Jul 13

Fulton Championships

MOD-SO-J CLSES

Lake Neatahwanta

Fulton, NY

Jul 12 - Jul 13

Midsummer Race at Salt Spring

INB-PRO-KPH-MOD-SO-OPC-J CLSES

Salt Spring Reservoir

Copperopolis, CA

Jul 17

Jul 17 - Jul 20

Ocean Cup - Pompano Beach, FL ar...

OS

Atlantic Ocean

Pompano Beach, FL

Jul 19

Jul 19 - Jul 20

2024 ALTON MIDWEST NATIONALS

OPC

MISSISSIPPI RIVER

Alton, IL

Jul 19 - Jul 20

Thunder on the Choptank

INB

Choptank River

Cambridge, MD

Jul 19 - Jul 20

Northland Mardi Gras Gran Prix

OPC

Flambeau River

Ladysmith, WI

Jul 23

Jul 23 - Jul 27

2025 APBA/ USTS PRO National Cha...

PRO-KPH;N

Lake DePue

DePue, IL, IL

Jul 25

Jul 25 - Jul 27

Leonardtown Bash on the Bay

VINTAGE

Breton Bay

Leonardtown, MD

Jul 25 - Jul 27

APOLLO APBA GOLD CUP

SE-VINTAGE-INB-UNL

McNary Pool, Columbia River

Kennewick, WA

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Grand Prix Hydroplane

Grand Prix Hydroplane

Grand Prix Hydroplane - supercharged competition! This professional level GP class provides all the noise and excitement you can handle. The 1500 horsepower blown V-8s, based on big block Chevrolet design, make the most noise and throw the biggest roostertails this side of anywhere! Limitations are few; beyond the 468-cubic inch engine displacement, it's Hot Rod City and up to the ingenuity of the builder. Grand Prix hydros are the biggest and baddest of the bad!

Grand Prix Hydroplane Specifications

Minimum Length:23'
Minimum Weight:2700 lbs. including driver
Engine:Supercharged Big Block Chevrolet V-8, maximum displacement 468 cubic inches
Fuel:Methanol (alcohol) or racing gasoline per APBA specs
Approximate Speed:170mph

Grand Prix Hydroplane High Point Winners

YearDriver/OwnerRacesPoints
2023JEFF BERNARD101430
2022MICHAEL GRENDELL101860
2021JEFF BERNARD71105
2019JERRY HOPP101460
2018LARRY LINN101713
2017BOB SCHELLHASE122573
2016BOB SCHELLHASE101355
2015BOB SCHELLHASE101305
2014BOB SCHELLHASE101345
2013JERRY HOPP121760
2012BOB SCHELLHASE131925
2011BOB SCHELLHASE71215
2010PIERRE MAHEU91668
2009DENNIS JOHNSON101633
2008DENNIS JOHNSON7850
2007ROBERT G ZABADY91095
2006MARIO V MARALDO60
2004MARIO V MARALDO7575
2003KEN BRODIE SR71190
2002KEN BRODIE SR5250

Grand Prix Hydroplane National Champions

YearDriver/Owner
2022ANDREW TATE
2018TKO RACING/ THOMPSON BROTHERS RACING LLC
2016MARIO V MARALDO
2015R ROYCE RICHARDS
2011MARIO V MARALDO
2010HUEY NEWPORT
2008DENNIS JOHNSON

Grand Prix Hydroplane Records

RecordSiteDriver/OwnerSpeed
5 mile/3 laps
APBA
Jun 14, 2015
Soap Lake, WA
Jerry Hopp
Jerry Hopp
110.125
5 mile/4 laps
APBA
Jul 13, 2014
Olympia, WA
Jamie Nilsen
Scott Pierce
116.89
5 mile/5 laps
WORLD
Jul 21, 2013
Waterford, MI
Bert Henderson
Bert Henderson
112.768
Kilo
APBA
Sep 21, 2019
Lincoln City, OR
Greg Hopp
Jerry Hopp
162.097
1/4 mile
APBA
Apr 2, 2016
Oroville, Ca
Jerry Hopp
Jerry Hopp
170.62