Jul 3

Jul 3

Wrangell Boat Races

SE

Zimovia Straits

Wrangell, AK

Jul 3 - Jul 5

2026 MADISON REGATTA

INB-UNL

Ohio River

Madison, IN

Jul 4

Jul 4 - Jul 5

Lower Rogue Challenge

SE-OB RR

Rogue River

Gold Beach, OR

Jul 10

Jul 10 - Jul 12

Les Régates de Valleyfield

INB

St-Laurence River

Salaberry-de-Valleyfield, CN

Jul 11

Jul 11 - Jul 12

Silver Cloud Hotels and Codling ...

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

Black Lake

Olympia, WA

Jul 17

Jul 17 - Jul 19

2026 Stock Outboard Nationals - ...

SO;N-J CLSES

Lake Neatahwanta

Fulton, NY

Jul 18

Jul 18 - Jul 19

Rumble in the Hills

INB

Rocky Fork State Park

Hillsboro, OH

Jul 18 - Jul 19

Northland Mardi Gras Gran Prix

OPC

Flambeau River

Ladysmith, WI

Jul 23

Jul 23 - Jul 26

2026 APBA Modified / Junior Nati...

MOD;N-J CLSES

Saint Joseph River

Constantine, MI

Jul 24

Jul 24 - Jul 26

Apollo Columbia Cup

VINTAGE-INB-UNL

McNary Pool, Columbia River

Kennewick, WA

Jul 25

Jul 25 - Jul 26

Leonardtown Bash on the Bay

VINTAGE

Breton Bay

Leonardtown, MD

Jul 25 - Jul 26

Frank Lara Tribute Race

OB RR

Klamath River

Klamath, CA

Jul 25 - Jul 26

ASBR Pro Racing Series Race #3

JET SPRI

Extreme Sports Park

Port Angeles, WA

Jul 25 - Jul 26

Serpent Lake Powerboat Races

OPC

Serpent Lake

Crosby, MN

Jul 30

Jul 30 - Aug 2

2026 APBA/USTS PRO NATIONAL CHAM...

PRO;W

Lake DePue

DePue,IL, IL

Jul 31

Jul 31 - Aug 2

Seafair Hydroplane Race

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Lake Washington

Seattle, WA

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Inboard - 2022 Technical Rule Change Proposals

By: Don Melillo | Inboard Racing | Dec 7, 2021

2022 Inboard Rule Proposals - TECHNICAL

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RULE # AUTHOR - BRIEF DESCRIPTION

T1 JOHN BOSSERMAN - E 350 HEAD

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T2 NATE BROWN - SE PROP SHAFT

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T3 M. GILDERMEISTER - 2.5 STOCK ROCKER ARM

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T4 M. GILDERMEISTER - 2.5 STOCK CAM SHAFT

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T5 JIMMIE STEWART - BILGE PUMPS

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T6 CHRIS OLIVER - FUEL INJECTION

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T7 CHRIS OLIVER - COMBINE NM & GNH

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T8 CHRIS OLIVER - COMB. 1.5 AND 2.5 STOCK

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T9 MUCZINSKI - GP HEADS

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T10 SCHALLER - GP FUEL INJECTION

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