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 Inboard Pirate Summer...

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

2025 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

Jul 26

Jul 26 - Jul 27

Rumble in the Hills

VINTAGE-INB

Rocky Fork State Park

Hillsboro, OH

Jul 26 - Jul 27

Franks Race

OB RR

Klamath River

Klamath, CA

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Modified Outboard Menu

D Modified Hydroplane

D Modified Hydroplane

No class description available.

D Modified Hydroplane Specifications

Minimum Length:
Minimum Weight:425-470 lbs.
Engine:30 c.i. up to and including 44 c.i. displacment, Mercury MK55H, and all 40 c.i. Mercury powerheads, all Mercury 44 c.i. 4 cylinder powerheads.
Fuel:
Approximate Speed:70-75mph

D Modified Hydroplane High Point Winners

YearDriver/OwnerRacesPoints

D Modified Hydroplane National Champions

YearDriver/Owner
2007ERIC P VANOVER
2006ERIC P VANOVER
2005LARRY TERZINSKI
2004BRIAN PALMQUIST
2003BRIAN PALMQUIST
2002DAN HAUENSTEIN

D Modified Hydroplane Records

RecordSiteDriver/OwnerSpeed
3 mile/3 laps
APBA
Sep 16, 2017
Yelm, WA
Jason Williams
Jason Williams
73.851
3 mile/4 laps
WORLD
Aug 27, 2017
Dayton, OH
Austin VanOver
Eric VanOver
67.929
5 mile/3 laps
APBA
Apr 27, 2013
Yelm, WA
Jason Williams
Jason Williams
81.859
5 mile/4 laps
APBA
Apr 27, 2019
Yelm, WA
Jason Williams
Jason Williams
83.237
Kilo
APBA
Sep 22, 2018
Lincoln City, OR
Jason Williams
Jason Williams
97.576
1/4 mile
WORLD
Oct 5, 2013
Lincoln City, OR
Pat Brians
Pat Brians
100.447