Francois Gabart ( who the Vendee Globe 2013) has finished his solo round the world speed tour in 42 days with his trimaran Macif.

It means an average speed over the 22.500 miles of 22 kts. He smashed also the 24h solo record by sailing 851 miles in one 24h.
So 35 kts during 24h.

With his record he improved the previous record with an unbelievable 12 days.

RAIDER-15 (homebuilt)

hey boy, what did you do over there, alone far out at sea?..
"huh....., that's the only place where I'm happy, sir.