A Day's run is the distance traveled by a vessel in one day, usually reckoned from noon to noon.

Records

The Champion of the Seas

Champion of the Seas

Champion of the Seas was the second large clipper ship destined for the Liverpool, England - Melbourne, Australia passenger service. Champion was ordered by James Baines of the Black Ball Line from Donald McKay...

 sailed 465 nautical miles (861 km) noon to noon December 10-11, 1854. This record stood until August 1984, nearly 130 years.
In 1984 the 75 foot Trimaran

Trimaran

A trimaran is a multihulled boat consisting of a main hull and two smaller outrigger hulls , attached to the main hull with lateral struts...

 Formule Tag made a day's run of 512.5 nautical miles (949.2 km) with skipper Michael Birch

The current record stands at 908 nautical miles (1,682 km) sailed on August 1 2009 by French 40-Meter-Trimaran Banque Populaire V

Banque Populaire V

The offshore-racing trimaran Banque Populaire V is Team Banque Populaire's fifth boat designed to set oceanic records. She was launched on October 4, 2008 in Nantes, France....

skippered by Pascoal Bidegorry during a crossing of the North Atlantic from New York to Europe. The average speed of the 3 day 15 hour and 25 minute crossing was 33 knots (18 m/s).

The Record for single hull yachts is 602.7 nautical miles (1,116.2 km) sailed by Volvo Open70 Ericsson 4, skippered by five time Olympic Medalist Torben Grael at the Volvo Ocean Race

Volvo Ocean Race

The Volvo Ocean Race is a yacht race around the world, held every three years. It is named after its current owner, Volvo...

2008/09 on October 29 2008.