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 Litre

1 Litre

1 Litre ("Y" class) hydroplanes are small, light and lightning quick, racing to speeds over 105 mph. While supercharging is not allowed, other modifications are encouraged. Engines are automotive or marine based, 2 or 4-cycle style. Maximum limit of 2-cycle is 1160 cc and maximum limit of 4-cycle is 1315 cc. The most common engines are from 2-cycle personal water crafts boats!

1 Litre Specifications

Minimum Length:13' 6
Minimum Weight:750 or 825 lbs including driver depending on boat length
Engine:Fall into 4 categories with varying modification limits. 1030 cc, 1160 cc, 1260 cc, and 1315 cc
Fuel:Racing fuel per APBA specs
Approximate Speed:105mph

1 Litre High Point Winners

YearDriver/OwnerRacesPoints
2023TIMOTHY COLLINS153080
2022JIM SECHLER152935
2021TIMOTHY COLLINS142543
2020ROBERT WILSON10
2019BILL WALLACE152853
2018TIMOTHY COLLINS153143
2017TIMOTHY COLLINS153820
2016TIMOTHY COLLINS153065
2015STAN MASEL153025
2014JIM SECHLER153120
2013JIM SECHLER153100
2012JIM SECHLER153143
2011JIM SECHLER153143
2010JIM SECHLER153150
2009JIM SECHLER153115
2008JIM SECHLER153150
2007JIM SECHLER153100
2006JIM SECHLER153150
2005JIM SECHLER153188
2004ROBERT WILSON152670
2003RUSSELL K DODGE152320
2002JOSEPH CHEEZUM152745

1 Litre National Champions

YearDriver/Owner
2022CHRISTOPHER RITZ
2021TIMOTHY COLLINS
2019ROBERT WILSON
2018TIMOTHY COLLINS
2017TIMOTHY COLLINS
2016NICK BONONCINI
2015STAN MASEL
2014JIM SECHLER
2013JIM SECHLER
2012JIM SECHLER
2011JIM SECHLER
2010JIM SECHLER
2009JIM SECHLER
2008JIM SECHLER
2007JIM SECHLER
2006JIM SECHLER
2005JIM SECHLER
2004TERRY BROWNING JR
2003JOSEPH CHEEZUM
2002RUSSELL K DODGE

1 Litre Records

RecordSiteDriver/OwnerSpeed
5 mile/3 laps
APBA
Apr 23, 2022
Yelm, WA
J Michael Kelly
Tim Collins
99.624
5 mile/4 laps
APBA
Apr 30, 2023
Yelm, WA
J. Michael Kelly
Tim Collins
94.414
5 mile/5 laps
APBA
Oct 21, 2023
Lakeland, FL
J Michael Kelly
Timothy Collins
87.007
Kilo
WORLD
Oct 12, 2008
Lincoln City, OR
Dan Kanfoush
Jim Sechler
111.633
1/4 mile
WORLD
Sep 27, 2014
New Martinsville, WA
Dan Kanfoush
Jim Sechler
115.281