Record: 11 hours, 5 minutes
Athlete: John Isner
After more than 11 hours over three days, American John Isner finally dispatched Frenchman Nicolas Mahut during the first round of the 2010 Wimbledon Championships, with a remarkable fifth-set tie-breaker score of 70–68. The final set alone took more than eight hours. Isner and Mahut scored more than 200 aces combined in a match roughly 4.5 hours longer than the previous longest match.