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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2.5 Litre Stock

2.5 Litre Stock

2.5 Litre Stock hydroplanes ("S" class) race to 100-plus mph, using 145 horsepower marine-based 2000 and 2300 Ford engines. S-boats offer very exciting side-by-side racing at a reasonable cost. Driving skill is paramount here, and driver development is inevitable, making this class an excellent stepping stone to bigger, higher-powered classes.

2.5 Litre Stock Specifications

Minimum Length:13' 6"
Minimum Weight:1025 lbs. including driver
Engine:2000 and 2300 Ford Inline 4 Cylinder
Fuel:Gasoline per APBA specs
Approximate Speed:100+mph

2.5 Litre Stock High Point Winners

YearDriver/OwnerRacesPoints
2023JEFF BERNARD152916
2022DAVE TRISKO153055
2021DOUG MARTIN152991
2020DOUG MARTIN1200
2019AUSTIN EACRET152950
2018CHRIS FANARIS153125
2017CHRIS FANARIS153760
2016ALFRED THOMPSON152868
2015AUSTIN EACRET153013
2014GENE DEFALCO152888
2013DUTCH SQUIRES152635
2012MIKE HOFHINE153036
2011DUTCH SQUIRES153016
2010MIKE HOFHINE153103
2009SAM HORNER153105
2008DUTCH SQUIRES153071
2007DUTCH SQUIRES153088
2006DUTCH SQUIRES153075
2005DAN KANFOUSH153038
2004DAN KANFOUSH152980
2003DAN KANFOUSH153011
2002GREGORY BARKER153100

2.5 Litre Stock National Champions

YearDriver/Owner
2022ALFRED THOMPSON
2021JOHN PEETERS
2019ALFRED THOMPSON
2018CHRIS FANARIS
2017CHRIS FANARIS
2016THOMAS HUGANIR
2015GENE DEFALCO
2014WILLARD S WILSON JR
2013DAVID SOLWAY
2012SAM HORNER
2011KENT HENDERSON
2010SAM HORNER
2009SAM HORNER
2008GREGORY BARKER
2007DUTCH SQUIRES
2006DUTCH SQUIRES
2005GEORGE KENNEDY SR
2004MIKE MONAHAN
2003GREGORY BARKER
2002JON ZIMMERMAN

2.5 Litre Stock Records

RecordSiteDriver/OwnerSpeed
5 mile/3 laps
APBA
Apr 29, 2018
Yelm, WA
Jeff Bernard
Chris Fanaris
94.404
5 mile/4 laps
APBA
Apr 28, 2018
Yelm, WA
Jeff Bernard
Chris Fanaris
90.932
5 mile/5 laps
APBA
Oct 22, 2023
Lakeland, FL
John Shaw
Alfred Thompson
84.282
Kilo
APBA
Sep 23, 2017
Lincoln City, OR
Austin Eacret
Austin Eacret
112.72
1/4 mile
APBA
Sep 23, 2017
Lincoln City, OR
Austin Eacret
Austin Eacret
116.883