 She started the main climb on 6 May when climbed from the Everest base camp at 18,000 feet to Camp 2 at 22,000 feet.However, then on she used supplemental oxygen, and reached Camp 3 at 23,000 feet and Camp 4 at 26,000 feet.The multinational trekking team led by Dawa Steven Sherpa took an overnight trek to climb the summit.