Thierry Martinez took these stunning photos of the Mari-Cha IV off the north coast of Brittany in 25kts of wind. http://www.thmartinez.com 

This 140ft carbon-fibre built yacht, owned and skippered by Robert Miller, broke the west to east monohull record last October. She took 6d 17h 52m 39s to complete the challenge at an average speed of 18.05kts. She’s now on her way to Antigua Sailing Week.