May 3

May 3 - May 4

Norm Evans Apple Cup

VINTAGE-INB

Lake Chelan

Chelan, WA

May 3 - May 4

Port Neches Riverfest

OPC

Neches River

Port Neches, TX

May 3 - May 4

Harford County Spring Nationals

INB

Bush River

Edgewood, MD

May 3 - May 4

Spring Lock Haven Regatta

PRO-MOD-SO

Susquehanna River

Lock Haven, PA

May 10

May 10 - May 11

George Grant Memorial Race

OB RR

Trinity River

Hoopa, CA

May 10 - May 11

US Title Series Spring Shootout

PRO

Champions Park Lake

Springfield, OH

May 10 - May 11

Spring Race at Salt Spring

PRO-KPH-MOD-SO-J CLSES

Salt Spring Reservoir

Copperopolis, CA

May 16

May 16 - May 18

Thunder On Cocoa Beach

OS;N

Atlantic Ocean

Cocoa Beach , FL

May 17

May 17 - May 18

Tom Thornton Jr regatta

MOD-SO-J CLSES

Mattanawcook lake

Lincoln, ME

May 17 - May 18

Race the Joe! - St. Maries River...

SE-JRR

St. Joe River

St Maries ID, ID

May 17 - May 18

Phantom race Days

MOD-SO-J CLSES

Phantom Lake

Mukwonago, WI

May 17 - May 18

Buckingham Test & Tune 2025

VINTAGE;N

Clearlake

2850 Eastlake Dr, Kelseyville, CA 95451, CA

May 17

Water Follies Spring Testing

VINTAGE-INB-UNL

Columbia River

Kennewick, WA

May 17 - May 18

Cambridge Classic

SE-INB

Hambrooks Bay

Cambridge , MD

May 17

Regatta

SE

Body of Water

City, ST

May 17

Sprint Boat Test & Tune

SE

Ontario Speedway

Ontario, OR

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E 350

E 350

E 350 hydroplanes (5 Litre boats) race to speeds of 115 mph, powered by mildly modified marine-based stock 305 Chevrolet and 302 Ford V-8 engines (285 horsepower). Engine modifications are limited, putting a premium on driver skill, with great competition at every event. These guys and gals duke it out, every time!

E 350 Specifications

Minimum Length:16'
Minimum Weight:1525 lbs. including driver
Engine:305 Chevrolet or 302 Ford V-8
Fuel:Gasoline per APBA specs
Approximate Speed:115mph

E 350 High Point Winners

YearDriver/OwnerRacesPoints
2023BRYCE TODD152475
2022STEVE HUFF152535
2021DEREC SMITH152583
2020 BUDGET BUSTER RACING1200

E 350 National Champions

YearDriver/Owner
2022MARC LECOMPTE
2021STEVE HUFF

E 350 Records

RecordSiteDriver/OwnerSpeed
5 mile/3 laps
WORLD
May 21, 2017
Soap Lake, WA
Jim Mauldin
Jim Mauldin
110.504
5 mile/4 laps
APBA
Jun 23, 2024
OLYMPIA, WA
Jeff Bernard
Justin Weymouth
104.058
5 mile/5 laps
APBA
Oct 21, 2023
Lakeland, FL
Bobby King
Bobby King
98.738
Kilo
WORLD
Oct 2, 2016
Lincoln City, OR
Donny Allen
Richard Hearn
134.310
1/4 mile
APBA
Oct 2, 2016
Lincoln City, OR
Donny Allen
Richard Hearn
129.032