We sat down with Dan Wiffen, the Irishman who became the #4 performer in history in the 1,500 freestyle this weekend in Stockholm. He discusses what he was expecting out of himself heading into the meet as well as how he has elevated his training over the past 6 months to reflect his performances. Wiffen is at the point where he's calling out sets to challenge himself (he notes 6x500 on Wiffen makes it clear that now, with only 4 more seconds to shave off, he's gunning for Sun Yang's legendary