May 23

May 23 - May 24

Newberg Memorial Weekend Boat Ra...

SO-OPC;R-PRO-KPH-MOD-J CLSES

Willamette River

Newberg , OR

May 23 - May 24

2026 Spring Franklin Regatta

MOD-SO-J CLSES

Justus Lake

Franklin, PA, PA

May 23 - May 24

Cambridge Classic

INB

Hambrooks Bay

Cambridge, MD

May 29

May 29 - May 31

Inboard Driving School

INB

Champions Lake Park

SPRINGFIELD, OH

May 30

May 30

Water Follies Spring Testing

VINTAGE-INB-UNL

Columbia River

Kennewick, WA

May 30 - May 31

Fireside 500

SO;D-J CLSES

Grand Lake

Presque Isle, Michigan, MI

May 30 - May 31

16th Annual Harry Brinkman Memor...

MOD;R-KPH-SO-J CLSES

Lake Clare

Huntington, IN

Jun 2

Jun 2 - Jun 6

Solar Splash: The Intercollegiat...

SE

Clark County Fairgrounds, Champions Park Lake

Springfield, OH

Jun 6

Jun 6 - Jun 7

Hardys Race for the Lake

INB;N

Lake Decatur

Decatur, IL, IL

Jun 6 - Jun 7

Piney Point Rumble on the River

VINTAGE

ST. GEORGES CREEK

PINEY POINT, MD

Jun 6 - Jun 7

Rumble on the River

PRO-KPH

Menominee River

Marinette, WI

Jun 6 - Jun 7

Newt Grant Memorial Race

OB RR

Trinity River

Willow Creek, CA

Jun 6 - Jun 7

2026 Rockin Regatta hosted by Pi...

MOD;R-MOD;D-SO-J CLSES

Allegheny River

Creighton, PA, PA

Jun 6 - Jun 7

5th Annual Howard Shaw Memorial ...

MOD;N-SE-PRO-KPH-SO-J CLSES

Silver Lake

Everett, WA

Jun 13

Jun 13 - Jun 14

Entiat Vintage Raceboat Regatta

VINTAGE

Lake Entiat

Entiat, WA

Jun 13 - Jun 14

ASBR Pro Racing Series Race #2

JET SPRI

State Fair Park Jetsprint Track

Yakima, 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