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

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

Jun 2

Jun 2 - Jun 6

Solar Splash: The Intercollegiat...

SE

Clark County Fairgrounds, Champions Park Lake

Springfield, OH

Jun 6

Jun 6 - Jun 7

Hardys Race for the Lake

INB;N

Lake Decatur

Decatur, IL, IL

Jun 6 - Jun 7

Piney Point Rumble on the River

VINTAGE

ST. GEORGES CREEK

PINEY POINT, MD

Jun 6 - Jun 7

Rumble on the River

PRO-KPH

Menominee River

Marinette, WI

Jun 6 - Jun 7

Newt Grant Memorial Race

OB RR

Trinity River

Willow Creek, CA

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Class 400

Class 400

Class 400: Single or Twin-Engine Open Cockpit V bottoms and Single Engine Canopy V bottoms only.
*27’- 35’ length.
a. Boats are limited to 85 MPH as a top speed.
b. Outboard or inboard
c. Bravo or Volvo based outdrive.
d. Must meet: 1. APBA safety rule Section XIII 10.32, 2. ½” polycarbonate window requirement rules
Appendix III, and 3. occupants must pass safety dunker test Rule 4, 3.3.
*Any boat that has participated in the past classes of Vee lite, Stock Vee, Pro Vee, Mod Vee etc.
Single engine canopied vee bottom boats are only allowed in Bracket classes 2 and 4.
*In case some of the older smaller twin engine boats want to race, (magnum, cigarette, etc.)

Class 400 Specifications

Minimum Length:Length 27ft - 35ft
Minimum Weight:
Engine:
Fuel:
Approximate Speed:Limited to 85 MPH

Class 400 High Point Winners

YearDriver/OwnerRacesPoints

Class 400 National Champions

YearDriver/Owner
2014JOHN SARIS

Class 400 Records

RecordSiteDriver/OwnerSpeed