Gerlinde Kaltenbrunner and her husband have reached far up K2 in the last few days. They were sighted by binoculars to have setup a tent below the true C3. They were expected to reach C3 and put their gear down so that when they do go for the summit, then they are prepared. They will not likely go for the summit at this stage as the weather is not regarded as holding. They are on the Cesen route.
Recently, they returned from Everest which has clearly conditioned them for this climb.