Viper 640 World Championship Winners
| Year | Skipper | Crew | Crew | Boat Name | Host Club |
| 2016 | Zeke Horowitz | Brendan Healy | Ian Coleman | Jenny | Royal Bermuda Yacht Club |
| 2018 | Nick Jerwood | Brian DeVries | Matt DeVries | South of Perty Yacht Club | |
| 2019 | Marchs Eagan | Andrew Eagan | Jackson Benvenutti | Red Boat | Alamitos Bay Yacht Club |
| 2023 | Jackson Benvenutti | Andrew Eagan | Chris Alexander | Psycho Tiller | Gulfport Yacht Club |
Viper 640 North American Championship Winners
| Year | Skipper | Crew | Crew | Boat Name | Host Club |
| 2006 | Rob Gorman | Eastern YC | |||
| 2007 | Rob Gorman | Boston YC | |||
| 2008 | Justin Scott | Mombo King | Corinthian YC | ||
| 2009 | Brad Boston | Lee Shuckerow | Eric Vigrass | Jackpot | Stamford YC |
| 2010 | Brad Boston | Lee Shuckerow | Eric Vigrass | Jackpot | |
| 2011 | Brad Boston | Lee Shuckerow | Eric Vigrass | Jackpot | Sarnia YC |
| 2012 | Pieter Tasellar | Willem vanWaay | Nick Thomson | Bliksem | Eastern YC |
| 2013 | Jason Carroll | Chad Corning | Danny Pletsch | Argo | Houston YC |
| 2014 | Brad Boston | Curtis Florence | Chad Corning | Jackpot | Alamitos Bay YC |
| 2015 | Brad Boston | Curtis Florence | Luke Lawrence | Jackpot | Larchmont YC |
| 2016 | Zeke Horowitz | Brendan Healy | Ian Coleman | Jenny | Royal Bermuda YC |
| 2017 | Marcus Eagan | Andrew Eagan | Jackson Benvenutti | Red Boat | Ft. Walton YC |
| 2018 | Brad Boston | Lee Shuckerow | Nick Lounsbury | Jackpot | CORK |
| 2019 | Marchs Eagan | Andrew Eagan | Jackson Benvenutti | Red Boat | Alamitos Bay YC |
| 2020 | Not sailed | ||||
| 2021 | Mark Zagol | Tim Desmond | Drew Buttner | NESS | Noroton YC |
| 2022 | Jackson Benvenutti | Andrew Eagan | Chris Alexander | Psycho Tiller | Gulfport YC |
| 2023 | Nepean Sailing Club |
