Jun 20

Jun 20 - Jun 21

Shootout Offshore

OS

Lake of the Ozarks

Lake Ozark, MO

Jun 20 - Jun 22

COA Annual Thompson Regatta

PRO-MOD-SO-J CLSES

West Thompson Lake

Thompson, CT

Jun 21

Jun 21 - Jun 22

Celina Governors Cup

VINTAGE-INB

Grand Lake St. Marys

Celina, Ohio , OH

Jun 21 - Jun 22

SYRACUSE VINTAGE RACEBOAT REGATT...

VINTAGE;N

ONONDAGA LAKE - WILLOW BAY

LIVERPOOL, NY

Jun 21 - Jun 22

Entiat Vintage Raceboat Regatta

VINTAGE-INB

Lake Entiat

Entiat, WA

Jun 21 - Jun 22

2025 APBA Modified Central Divis...

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

St. Joesph River

Constantine, MI, MI

Jun 21 - Jun 22

APBA PRO EASTERN DIVISIONALS

PRO-KPH

Wisconsin River

Wausau, WI

Jun 21

Webbs Slough Jet Sprint Boat Ra...

JET SPRI

Webbs Slough

Saint John, WA

Jun 21 - Jun 22

Sherri Hathaway Memorial Regatta

SO;D-PRO-KPH-MOD-J CLSES

Cullaby Lake

Warrenton, OR

Jun 25

Jun 25 - Jun 29

Louisiana Offshore Grand Prix

OS;N

Lake Pontchartrain

Metairie, LA

Jun 28

Jun 28 - Jun 29

LAKE VERMILION THUNDER HOSTED BY...

MOD-SO-J CLSES

Lake Vermilion

Danville, IL

Jun 28 - Jun 29

50th Annual Idaho Regatta

INB-SO-OPC-J CLSES

Snake River

Burley, ID

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

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1.5 Litre Stock

1.5 Litre Stock

1.5 Litre Stock ("T" class) hydroplanes race at 90+ mph. These small, light and racy hydros are a great starting point for young drivers or for budget teams. They generate all the competitive excitement of the bigger classes, but their smaller size, virtually stock components, and dependable 4 cylinder Toyota engine add a degree of economy to following the boat racing trail.

1.5 Litre Stock Specifications

Minimum Length:14' 6"
Minimum Weight:825 lbs including driver
Engine:4 cylinder Toyota SOHC 1587cc (97 cubic inches)
Fuel:Gasoline per APBA specs
Approximate Speed:90mph

1.5 Litre Stock High Point Winners

YearDriver/OwnerRacesPoints
2023STEVE WALDE142175
2022TKO RACING/ THOMPSON BROTHERS RACING LLC152663
2021DOUGLAS W HAGATHA61255
2019DOUGLAS W HAGATHA81650
2018DOUGLAS W HAGATHA91800
2017DOUGLAS W HAGATHA102550
2016DOUGLAS W HAGATHA122425
2015TKO RACING/ THOMPSON BROTHERS RACING LLC112175
2014TKO RACING/ THOMPSON BROTHERS RACING LLC142563
2013DOUGLAS W HAGATHA122213
2012DOUGLAS W HAGATHA142148
2011DOUGLAS W HAGATHA152958
2010STEVE ARMSTRONG243840
2009GEORGE KENNEDY JR153093
2008JOHN SHAW183381
2007KELLY ALLEN153063
2006KELLY ALLEN153136
2005JAMES SHANE153008
2004JAMES SHANE153020
2003ROBERT WILSON153125
2002JAMES SHANE153105

1.5 Litre Stock National Champions

YearDriver/Owner
2022TKO RACING/ THOMPSON BROTHERS RACING LLC
2021DOUGLAS W HAGATHA
2019DOUGLAS W HAGATHA
2018DOUGLAS W HAGATHA
2017DOUGLAS W HAGATHA
2016DOUGLAS W HAGATHA
2015TKO RACING/ THOMPSON BROTHERS RACING LLC
2014DOUGLAS W HAGATHA
2013GEORGE KENNEDY JR
2012DOUGLAS W HAGATHA
2011GEORGE KENNEDY JR
2010GEORGE KENNEDY JR
2009KASEY BROWNING
2008GEORGE KENNEDY JR
2007KASEY BROWNING
2006GEORGE KENNEDY JR
2005JAMES SHANE
2004JAMES SHANE
2003ROBERT WILSON

1.5 Litre Stock Records

RecordSiteDriver/OwnerSpeed
5 mile/3 laps
WORLD
May 14, 2006
Yelm, WA
Kelly Shane
Kelly Shane
80.819
5 mile/4 laps
WORLD
Sep 23, 2007
Washington Township, MI
Brandon Kennedy
Brandon Kennedy
76.120
5 mile/5 laps
APBA
Apr 17, 2010
Portsmouth, VA
Brandon Kennedy
Brandon Kennedy
73.493
Kilo
WORLD
Oct 16, 2004
Lincoln City, OR
James Shane
James Shane
94.774
1/4 mile
APBA
Sep 28, 2013
New Martinsville, WA
Brandon Kennedy
Brandon Kennedy
96.174