impressive is right. I bet he did it in a whole lot shorter time than the early pioneers - 1970 Dougal Haston and Don Whillans
Whillans was famous for his climbing, and his one liners. Here is just one:
Whillans was participating in the 1972 European Everest Expedition, attempting to climb Mount Everest's Southwest Face. The expedition had been plagued with several personality conflicts and the withdrawal of many climbers. While in camp, some of the other climbers overheard news that England had lost a soccer game to Germany. "It seems we have beaten you at your national sport", said a German. After a slight pause Whillans replied, "Aye, and we've beaten you at yours...twice