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

Jul 26 - Jul 27

Serpent Lake Powerboat Races

OPC

Serpent Lake

Crosby, MN

Jul 28

Jul 28 - Aug 2

2025 Stock, MOD, & J Outboard Na...

MOD-SO;N-J CLSES

Champions Park Lake

Springfield, OH , OH

Aug 2

Aug 2 - Aug 3

Great Lakes Grand Prix

OS

Lake Michigan

Michigan City Indiana, IN

Aug 2 - Aug 3

BATTLE ON THE COLORADO

OPC

LAKE MARBLE FALLS

MARBLE FALLS, TX

Aug 2 - Aug 3

Thunder on the Niagara

SE-VINTAGE-INB

Niagara River

North Tonawanda, NY

Aug 2 - Aug 3

Seafair Hydroplane Race

VINTAGE-INB-UNL-J CLSES

Lake Washington

Seattle, WA

Aug 8

Aug 8 - Aug 10

Sheboygan MidWest Challenge

OS;N

Lake Michigan

Sheboygan, WI

Aug 8 - Aug 10

Midwest Challenge

OPC

Lake Michigan

Sheboygan, WI

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Outboard Performance Craft Menu

Modified Unlimited

Modified Unlimited

Sometimes raced by Formula 1 teams, the Mod U (Modified Unlimited) class is where raw horsepower is king and anything goes. When these boats explode off the dock with an unforgettable roar, fans go crazy. Mod U racecraft are lightning-fast on the straightway and take the turns at top speed. Any boat design is permissible; engine modifications are just fine. Mod Us are raced mostly in the Southeast, and at the OPC National Championships every year.

Modified Unlimited Specifications

Minimum Length:16'
Minimum Weight:1050 lbs. to 1250 lbs. depending on engine size
Engine:2.5 Litre, 3.0 Litre, 3.4 Litre, 3.6 Litre V-6 and V-8 - Altered Motors Must be Originally Outboard
Fuel:
Approximate Speed:90 - 100 MPH (clocked at 142 MPH in kilo trials)

Modified Unlimited High Point Winners

YearDriver/OwnerRacesPoints
2022BRUCE WASHBURN41600
2021BRUCE WASHBURN62300
2018MARK E WELCH41200
2016MARK E WELCH2800
2015TIM SEEBOLD21600
2014BRUCE WASHBURN52800
2013BRUCE WASHBURN51627
2012TERRY RINKER21300
2011TERRY RINKER32000
2010SHAUN TORRENTE11200
2009TERRY RINKER32000
2008TERRY RINKER52800
2007BRUCE WASHBURN63200
2006BRUCE WASHBURN82900
2005BRUCE WASHBURN93369
2004BRUCE WASHBURN72925
2003MARK E WELCH52000
2002BRUCE WASHBURN82969

Modified Unlimited National Champions

YearDriver/Owner
2015TIM SEEBOLD
2014BRUCE WASHBURN
2013TERRY RINKER
2012CHRIS FAIRCHILD
2011TERRY RINKER
2010SHAUN TORRENTE
2009TERRY RINKER
2008TERRY RINKER
2007BRUCE WASHBURN
2006WYATT H NELSON
2005WYATT H NELSON
2004WYATT H NELSON
2003MARK E WELCH
2002TODD BOWDEN

Modified Unlimited Records

RecordSiteDriver/OwnerSpeed
3 mile/4 laps
APBA
Apr 20, 1996
Hazlehurst, GA
Ben Robertson Jr.
Ben Robertson Jr.
93.426
5 mile/3 laps
APBA
Sep 13, 1998
Yelm, WA
Lee Davies
Lee Davies
104.330
5 mile/4 laps
APBA
Sep 12, 1999
Yelm, WA
Lee Davies
Lee Davies
100.195
5 mile/5 laps
APBA
Oct 25, 2003
Ocoee, FL
Terry Rinker
Terry Rinker
94.687
Kilo
APBA
Mar 19, 1989
Moore Haven, FL
Bob Wartinger
Gary Garbrecht
142.968
1/4 mile
APBA
Sep 29, 2012
New Martinsville, WV
Terry Rinker
Terry Rinker
144.346