Preparation for schooner race (SAP 5O5 World Championship). The 5O5 is named for its length. That's 5-oh-5, as in 5.05 meters (16 feet 6 inches).
<ul><li><a href="//commons.wikimedia.org/wiki/File:Preparation_for_schooner_race.jpg" title="File:Preparation for schooner race.jpg">Preparation_for_schooner_race.jpg</a>: <a href="//commons.wikimedia.org/wiki/User:Two%2Btwo%3D4" title="User:Two+two=4">Two+two=4</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Lo%C5%A1mi" title="User:Lošmi">Lošmi</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Lo%C5%A1mi" title="User talk:Lošmi"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Preparation_for_schooner_race.jpg" title="File:Preparation for schooner race.jpg">Preparation_for_schooner_race.jpg</a></li></ul>