Welcome to the Viper 640 Class

The Viper 640 is a high-performance one-design sport boat.
At 21 feet long and only 748 lbs, it combines the stiffness of a keelboat with the acceleration and planing abilities of a dinghy. The design mandate was "Simple, Clean and Effective".  The Viper has a precise and exhilarating feel on the helm, a spacious cockpit for 3 people, strict one-design class rules and ease of launching by ramp or hoist.


Want to test drive a Viper 640? Find and contact one of our builder's reps to go for a ride near you.  Life is too short to sail slow boats!
Viper 640 fun at the Newport Regatta

EFG Bank Pan American Championship

Click here for all the information about the 2014 EFG Bank Viper 640 Pan American Championship, presented by Rondar Raceboats.

How to Buy a Viper

Buying a Viper 640 is easy! Our sole Class approved builder, Rondar Raceboats, has reps covering all of North America. They're all enthusiastic Viper owners who are here to help introduce you to the Viper with a demo sail and guide you through the process of buying your own Viper 640. CLICK HERE to locate and contact the rep nearest you!

Upcoming Major Events

Pacific Coast Championship / LBRW
Long Beach, CA
June 27-29

New England Championship / Marblehead NOOD
Corinthian YC
July 25-27

SoCal Midwinters @ Cal Yacht Club
Written by John Leyland   
Wednesday, 26 February 2014 00:05

The second stop on the 2014 West Coast Viper circuit was the Southern California Mid Winters hosted by the California Yacht Club in Marina Del Rey. Mark Folkman and his crew on #130 Slitherin, fresh off their triumph at the Arizona Yacht Club’s Birthday Regatta and Leukemia Cup looked to continue their winning ways. In their way were 10 other Vipers. Boats started arriving on Friday afternoon with Timbo Carter being a great help in bringing #191 over from Glenn Griley’s warehouse as my crew and I flew in from Vancouver.

Saturday morning arrived with perfect paddle boarding conditions, warm and windless but a westerly eventually found its way down the channel to get us out into the Pacific off of Venice Beach. The breeze didn’t last long and the race committee postponed for a little over an hour until the sea breeze filled in again, this time to a roaring 8 knots or so. Race 1 saw Jay Golison on It’s All Good leading the way followed by newbie Alex Steele on his newly acquired #153 Last Call finishing second and Mark Folkman in third.

EFG Winter Cup March 2nd-3rd Miami
Written by Peter Bauer   
Sunday, 23 February 2014 20:08

The NOR for the Winter Cup has been published on the forums on the "Miami" thread and on the EFG Pan American website.

This is a two day event on Sunday and Monday as a precursor to the Pan American Championships on Thursday thru Saturday.

The Winter Cup counts as a qualifying event for the Pan American Championship and stands as a regatta in its own right. EFG have donated a "Winter Cup" perpetual trophy and there will be awards for first through fifth place.

The Winter Cup is also the second stop on the Florida Winter Circuit.

On Tuesday, between the Winter Cup and the Pan American Championships, we will be hosting the MIAMI SCORCH.

On a final note, all competitors who enter both the Winter Cup and the Pan Ams will receive $25 off from launching and hauling fees at USS Center.

We look forward to seeing you there!

South of the Border - Down Sarasota Way
Written by Dave Banyard   
Sunday, 23 February 2014 19:09

No Polar Vortex!  591 miles ahead!

Many of you will be making the annual pilgrimage past “South of the Border” this year on your way to the southern circuit of Miami and Charleston.  As part of our southern hospitality package, we’d like to cordially invite all of you to join us in Sarasota on both sides of Miami for some great Viper racing in Sarasota Bay.  In case you need further convincing, our billboard enticements include:

· Store your boat before and after Miami at the Sarasota Sailing Squadron for $85 per month or $6.50 per day for shorter term (not a typo or a gimmick!).

· No Polar Vortex – While Chicago and  New York were sub-zero,  Sarasota was in the high-50’s.  Since then, we’ve been in the high 70’s.

Announcing the Inaugural Miami Viper Scorch
Written by EFG Pan Am Committee   
Saturday, 25 January 2014 17:23

What the heck is a scorch??

Class Governor Kay Van Valkenburg started the Viper Scorch tradition in Marblehead many years ago. It's a fun, fast, reach or downwind sail in the company of other Vipers. It normally involves sailing fast to somewhere, stopping ashore for some lunch and drinks, then sailing home. While there are standing elapsed time records for the Marblehead scorches (if anyone can remember) , if you call it a race, you might be taking it too seriously! Think of it as the Viper take on a rondevous or gam...

For details click here.

Written by Justin Scott   
Wednesday, 22 January 2014 22:07



The 2014 EFG Pan American Championships  in Miami in March will be our first truly World championship level event with multiple Viper teams coming from three continents .  We have three Viper teams coming from Australia and at least two teams coming from Europe in addition to class regulars from the USA, Canada and Caribbean.  Previous North American, Canadian and Atlantic Coast Champions will be going head to head with the winner of the Australian Sport Boat National Championship, the winner of Cowes Week Sport Boat Class and the winner of the Lake Garda European Sport Boat Cup.  Please extend warm welcomes to Tim Reger, Australian National Sport Boat Champion, Jon Powell British Sport Boat Class Champion  and all of the overseas competitors.

The Australians are sending three teams as part of a strategy to  win the party as well as the sailing. The Marblehead fleet however is putting together a very strong team,determined not to let the Aussies beat us in our own bars! The frigid winter conditions have been ideal for a series of practice events in Maddys and the Three Cods.

As a quick update:-

1. Our concept for Miami is that teams take 5 days off work, but get 5 days of racing and 2 additional days of fun sailing & beach in Miami.

· Friday Night - Sunday Morning is for travel. The first start on Sunday will allow time for rigging

· Sunday/Monday is the tune up regatta called the EFG Winter Cup. The emphasis is on good racing in an informal atmosphere.

· On Tuesday, teams will be able to participate in the Miami Scorch. This will be a screaming reach from Coconut Grove to  No Name Harbor at the end of Key Biscayne where we raft up off a bar called "Boater Grill". The participation of wives, husbands, girlfriends, kids from the dock and anyone you picked up at Mango's the previous evening will be encouraged.   Tuesday Evening is a Viper dinner in coconut grove + some awards.

· Wednesday can be a lay day to explore Miami but there will also be a coaching session led by a combination of pro sailors  and the more experienced Viper sailors .

· Thursday – Saturday will be the three day high quality Racing at the Pan Ams.


On Sunday, we all drive home or leave our boats at Charleston. More Updates coming soon.



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