NFL commissioner Roger Goodell on top of Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell head up to Mount Rainier's 14,411-foot summit in the early morning hours. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell gets ready to head up to Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell and members of his group head up to Mount Rainier's 14,411-foot summit in the early morning hours. (Corky Trewin / Seattle Seahawks)

The rises over the base camp on Mount Rainier. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell and Jim Mora on top of Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

Jim Mora holds up a Seattle Seahawks 12th man flag on top of Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell, Jim Mora and the rest of their group on top of Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell on his way to Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

NFL commissioner Roger Goodell makes his way down from Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)

Jim Mora makes his way down from Mount Rainier's 14,411-foot summit. (Corky Trewin / Seattle Seahawks)