04/05/2010 05:12 am ET | Updated May 25, 2011

Ryan Waters, Boulder Resident, First Person To Cross Antarctica Unassisted

During his 70-day, record-setting expedition skiing across Antarctica, Ryan Waters burned 7,000 calories a day, fixed a broken tooth and never fought with his partner.

Waters, of Boulder, and his partner Cecilie Skog, of Norway, completed the first unsupported, unassisted -- no food stashes, no wind-assisted kite skiing -- crossing of Antarctica on Jan. 21.

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