Expedition organizers say a 42-year-old convenience store worker from Connecticut has scaled Mount Everest for a seventh time, breaking her own record as the most successful female climber of the world's highest peak.

Rajeeb Shrestha of the 7 Summits Adventure agency in Kathmandu said Lhakpa Sherpa was among 18 climbers who reached the peak on Friday morning from the northern side in Tibet.

She climbed Everest six times between 2000 and 2006 before moving to the United States where she is a permanent resident. She was born in Nepal and took up mountaineering as a profession like most Sherpas in the region.

Two Sherpa men have scaled Everest 21 times to hold the record for most climbs of Everest.