Mark called at 8am, Alaska time from his tent at High Camp, 17,200 feet (5,200 metres).
They're just having breakfast and will then leave for their summit bid. There's a bit of a wind but Mark was making sure he had his hand warmers ready for the 6 - 8 hour trek ahead with a real threat of frostbite.
They will be roped up in two teams and everyone is feeling well and is ready for the top!
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