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I would say its more time consuming. We had an issue when we build a rope path over crevasses the last person would cross the path two hours later. And I was the last one to cross it, but somehow managed to climb a peak first :)
But, yes, it is frustraiting to sit and wait for everybody. So on our next peak we split up.

Yeah, it might not only be frustrating but being fast means safety in the mountains.

Thats true, gladly we had a great weather conditions.