Claas Lehmann and Leon Oehme lived the longest day of their sporting lives on Friday—and came away champions. With Lehmann steering and Oehme out on the trapeze wire, they went to the line of race nine of the 2013 SAP 5O5 World Championship as one of three teams with a chance at the title, all of them German, all of them veteran, one of them a five-time champion who would have been the house bet to win.