Jimmy Thomson, CBC News:

To this day, there is no record of anyone reaching the North Pole under their own power, without resupply, in winter.

And

English explorers Alex Hibbert, George Bullard, and James Wheeldon want to meet the challenge, and have been preparing for the journey in the Yellowknife area. They’re hoping to set out for the North Pole this fall.

All are veteran explorers — Hibbert and Bullard set a world record for the longest unsupported traverse of Greenland in 2008, while Wheeldon and Hibbert spent a winter together in northern Greenland. But they have never worked together as a trio.

Follow Alex Hibbert and George Bullard on Twitter.