http://www.cbvela.org.br/ – CBVELA
http://www.sailing.org/isaf-worlds.php – ISAF
http://www.internationalwindsurfing.com/ – IWA
http://www.pwaworldtour.com/– PWA
http://www.rsxclass.org/ – RS:X
http://www.formulawindsurfing.org/ – IFWC
http://americanwindsurfingtour.com/ – AWT
http://ifca.internationalwindsurfing.com/ – IFCA
http://fe.internationalwindsurfing.com/ – FORMULA EXPERIENCE CLASS
http://www.raceboard.org/ INTERNATIONAL RACEBOARD CLASS
https://www.rsoneclass.com/ – RS ONE CLASS