A total of 80 pictures made the long list for the annual prize, including ninth-placed Alex Irwin's aerial shot of Bill Steele's Chelsea Lady during the Royal Thames Etchells International Invitational Gertrude Cup in a rare pocket of sunshine on an otherwise dull day.
This is Guy Nowell's shot of a sail boat in the distance in the Rolex China Sea Race. The British photographer finished fourth overall.
Tim Thomas came tenth, capturing the dramatic picture of the vessel Emmaline as the waves crashed in the distance at the St Barths Bucket regatta in the Caribbean.
Aron Szanto's photographed Hungary's Blue Ribbon Regatta from a neighboring vineyard.
In total, 25 countries were represented among the photographers. Here is Pavlina Soukupova's shot of competitor Roman Rocek waiting for the start of the DN World Championship on Lake Glan, Sweden.
A dizzying image of the Polish Yachting Association Cup taken by Szymon Sikora during the women's race in Krynica Morska, Poland.
Robert Hajduk caught the sun setting on Flying Phantom in Gdynia, Poland.
A sudden shift of wind sees a rise from 16 to 35 knots in seconds at the Formula 16 Worlds at Knokke-Heist, Belgium. Jasper Van Staveren was on hand to snap one surprised competitor.