May 2

May 2 - May 3

Spring Lock Haven Regatta

MOD-SO-J CLSES

Susquehanna River

Lock Haven, PA

May 8

May 8 - May 17

2026 World Jet Boat Marathon Cha...

JRR;W

Payett,Salmon,Snake,St.Joe rivers

Emmet, ID

May 12

May 12

HARM Vintage Unlimited Spring Te...

VINTAGE

Lake Washington

Seattle, WA

May 15

May 15 - May 17

Tom Thornton Jr regatta

PRO-MOD-SO-J CLSES

Mattanawcook Lake

Lincoln, ME

May 16

May 16 - May 17

Harford County Spring Nationals

INB

Bush River

Edgewood, MD

May 16 - May 17

2026 Spring Kickoff

INB-PRO-KPH-MOD-SO-OPC-J CLSES

Lake Minden

Nicolaus, CA

May 16 - May 17

Phantom race Days

MOD-SO-J CLSES

Phantom Lake

Mukwonago, WI

May 22

May 22 - May 25

Boatnik 2026

SE-JET SPRI-OB RR-DRAG

Rogue River

Grants Pass, OR

May 23

May 23 - May 24

Newberg Memorial Weekend Boat Ra...

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

Willamette River

Newberg , OR

May 23 - May 24

2026 Spring Franklin Regatta

MOD-SO-J CLSES

Justus Lake

Franklin, PA, PA

May 23 - May 24

Cambridge Classic

INB

Hambrooks Bay

Cambridge, MD

May 29

May 29 - May 31

Inboard Driving School

INB

Champions Lake Park

SPRINGFIELD, OH

May 30

May 30

Water Follies Spring Testing

VINTAGE-INB-UNL

Columbia River

Kennewick, WA

May 30 - May 31

Spring Tabor City Regatta

PRO-MOD-SO-J CLSES

Lake Tabor

Tabor City, NC

May 30 - May 31

Fireside 500

SO;D-J CLSES

Grand Lake

Presque Isle, Michigan, MI

May 30 - May 31

16th Annual Harry Brinkman Memor...

MOD;R-KPH-SO-J CLSES

Lake Clare

Huntington, IN

mobile menu
expand
Inboard Menu

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