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.
British sailor Ellie Aldridge shows the wear and tear of sailing in 20-knot winds in Sydney Harbor. Andrea Francolini recorded the damage.
Mauro Melandri used an underwater camera to capture sail boat Enfant Terrible-Adria Ferries at the Alcatel J/70 Cup.
Nico Martinez captured the essence of team effort on board Marigan during the XXIII Regata Illes Balears Clássics in Mallorca, Spain, earning him a top ten place.
German duo Erik Heil and Thomas Ploessel perform a synchronized back flip after their eighth place in the final race in the Rio Olympics 49er class that earned them a bronze medal. Gilles Martin-Raget managed to snap the moment.
A musto skiff as photographed by Christian Beeck at this year's Travemünder Woche.
The bow woman of the yacht Gipsy loses her balance following a wave but is able to climb back on board thanks to a crew member during the Puig Vela Classica Barcelona. Luis Fernandez captured the action.
The vessel Puerto de Indias is pictured in the arc of a kite by the photographer Monica Diaz in Tarifa, Spain.
Thai competitor Yongyuennarn Jedtavee is photographed by Matias Capizzno at the Optimist Worlds in Vilamoura, Portugal.
The Land Rover BAR team moving at high speed at the St Petersburg leg of the Extreme Sailing Series. Eugenia Bakunova froze the action.
A sailor on board Vestas Wind is shot by Brian Carlin in France's Bay of Biscay during leg one of the Volvo Ocean Race.
Yachtsman Joost-Olan Sheehan is pictured on board Warrior Won by H.L. Devore in the Newport-Bermuda Race. The 16-year-old was embraced by his teary-eyed mother at the start of the race.
A foiling AC catamaran looks set for take-off during the LVAVWS Portsmouth event, with Sam Kurtul catching the moment head on.