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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350CC Hydro

350CC Hydro

No description available

350CC Hydro Specifications

Minimum Length:
Minimum Weight:
Engine:Any motor over 257.5cc up to and including 350cc
Fuel:
Approximate Speed:

350CC Hydro High Point Winners

YearDriver/OwnerRacesPoints
2023JOSH HARNACK102771
2022JIMMY SMITH31600
2021ZACHARY MALHIOT41600
2018TIM FIHN82900
2017KEVIN VALENTINE61802
2016OLIVIA VALENTINE61269
2015JAMIE NILSEN72700
2014JAMIE NILSEN104450
2013JAMIE NILSEN83125
2012ZACHARY MALHIOT113159
2011ZACHARY MALHIOT122111
2010ZACHARY MALHIOT103369
2009CHRIS HELLSTEN52225
2008ZACHARY MALHIOT82900
2007ZACHARY MALHIOT102794
2006ZACHARY MALHIOT72025
2005BILL DIAMOND72253
2004BILL DIAMOND102900
2003CHRIS HELLSTEN72200

350CC Hydro National Champions

YearDriver/Owner
2023KURTIS NYDAHL
2021JOHN PALMQUIST
2018CHRIS HELLSTEN
2014KEVIN ELLISON
2013JAMIE NILSEN
2012ZACHARY MALHIOT
2011DAVID MITCHELL
2010CHRIS HELLSTEN
2009CHRIS HELLSTEN
2008JEFF KUGLER
2007ZACHARY MALHIOT
2006ZACHARY MALHIOT
2005DAVID MITCHELL
2004DAVID MITCHELL
2003DAVID MITCHELL
2002CHRIS HELLSTEN

350CC Hydro Records

RecordSiteDriver/OwnerSpeed
3 mile/3 laps
APBA
Sep 14, 2024
Yelm, WA
John Palmquist
Mike Schmidt
89.102
3 mile/4 laps
APBA
Sep 15, 2019
Yelm, WA
Ken Hehr
Ken Hehr
76.634
5 mile/3 laps
APBA
Mar 31, 1996
Lakeland, FL
Chris Hellsten
Chris Hellsten
93.168
5 mile/4 laps
WORLD
Sep 19, 1999
Yelm, WA
J. Sean McKean
J. Sean McKean
90.657
5 mile/5 laps
APBA
Apr 14, 1996
Lake Alfred, FL
Chris Hellsten
Chris Hellsten
84.270
Kilo
WORLD
Nov 24, 1995
Parker, AZ
Sean McKean
Sean McKean
113.408
1/4 mile
APBA
Oct 12, 2024
Lincoln City, OR
John Palmquist
John Palmquist
109.957