Mar 13

Mar 13 - Mar 15

Spring Thunder Tavares Fl.

VINTAGE

Lake Dora

Tavares, FL

Apr 11

Apr 11 - Oct 12

2026 Blue Water Resort & Casino ...

INB-MOD-SO-J CLSES

Colorado River

Parker, AZ

May 9

May 9 - May 17

2026 World Jet Boat Marathon Cha...

JRR;W

Payett,Salmon.Clearwater,Snake,St.Joe rivers

Emmet, Idaho , ID

May 15

May 15 - May 17

Thunder on Cocoa Beach

OS;N

Atlantic

Cocoa Beach FL, FL

May 16

May 16 - May 17

Harford County Spring Nationals

INB

Bush River

Edgwwood, MD

May 29

May 29 - May 31

Inboard Driving School

INB

Champions Lake Park

SPRINGFIELD, OH

Jun 5

Jun 5 - Jun 7

Rumble on the River

VINTAGE

Piney Point, Md.

City, ST

Jun 5 - Jun 7

Piney Point Rumble on the River

VINTAGE

St. George\'s Creek

St. George’s Creek, MD

Jun 6

Jun 6 - Jun 7

Hardys Race for the Lake

INB;N

Lake Decatur

Decatur, IL, IL

Jun 6 - Jun 7

Queen Marinette Regatta

PRO-KPH

Menominee River

Marinette, WI

Jun 13

Jun 13 - Jun 14

Entiat Vintage Raceboat Regatta

VINTAGE

Lake Entiat

Entiat, WA

Jun 20

Jun 20 - Jun 21

Governors Cup Regatta

INB;D

Grand Lake St Marys

Celina, OH

Jun 20 - Jun 21

Syracuse Vintage Race Boat Regat...

VINTAGE

Onondaga Lake - Willow Bay

Liverpool, NY

Jun 26

Jun 26 - Jun 28

51st Annual Idaho Regatta - APBA...

INB-SO-J CLSES

Snake River

Burley, ID

Jul 10

Jul 10 - Jul 12

Sarasota Powerboat Grand Prix

OS;N

Gulf of America

Sarasota, FL

Jul 17

Jul 17 - Jul 19

Rumble In The Hills

INB

Rocky Fork State Park

Hillsboro, OH

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Formula 400 Hydroplane

Formula 400 Hydroplane

No class description available.

Formula 400 Hydroplane Specifications

Minimum Length:
Minimum Weight:350 lbs.
Engine:Mercury 25 SS or Mercury 22.0 Powerhead 1970 to date. OMC Powerhead 1970 to date
Fuel:
Approximate Speed:65-70mph

Formula 400 Hydroplane High Point Winners

YearDriver/OwnerRacesPoints

Formula 400 Hydroplane National Champions

YearDriver/Owner

Formula 400 Hydroplane Records

RecordSiteDriver/OwnerSpeed
3 mile/3 laps
APBA
Aug 28, 2010
Dayton, OH
Rick Miller
Rick Miller
61.117
3 mile/4 laps
APBA
Aug 29, 2010
Dayton, OH
Rick Miller
Rick Miller
57.810
5 mile/3 laps
APBA
Jul 3, 1986
Decatur, IL
Barry Viola
Barry Viola
60.559
5 mile/4 laps
APBA
Sep 17, 1978
Yelm, WA
Bob Wartinger
Bob Wartinger
61.350
Kilo
APBA
Dec 5, 1987
Moore Haven, FL
Scott Anderson
Scott Anderson
75.587