Glenwood Springs, Colorado, United States / February 8, 2009
Dina Mishev climbed 34,546 feet in 24 hours, a new world record. Using climbing skins, she repeatedly trekked up a 1502-foot trail, checking in with officials at the top off the trail, before skiing down and checking in with officials at the bottom. She did this 23 times in 24 hours.
The record was set on February 8, 2009 during the 24 Hour Sunlight Challenge at the Sunlight Mountain Resort in Glenwood Springs, Colorado.
- breaks permitted