Tomorow Bear Grylls, Mick Crosthwaite, Nigel Thompson, Andy Leivers, Charlie Laing and Carol McFadden will set out from Halifax, Nova Scotia to cross the Atlantic in their 11 metre 450hp open RIB.
Their route will take them to Greenland and Iceland, before arriving in John O'Groats in northern Scotland.
Chloe Boyes, the team's logistics and communications expert, will be posting regular updates here as the voyage progresses.
For more details about the project have a look at the Trans Atlantic Arctic Expedition web site
Best wishes to all the crew from RIBnet!