Tennis (11 hours, 5 minutes)
John Isner vs. Nicolas Mahut, June 22-24
John Isner and Nicolas Mahut battled before an appreciative crowd for 11 hours, 5 minutes, interrupted by a bathroom break after their first six hours and also by two suspensions of play due to darkness. After play resumed on the third day, the gallant pair went their final 20 games and 65 minutes before Isner prevailed, 6-4, 3-6, 6-7 (7), 7-6 (3), 70-68. Of note is that the scoreboard gave out before the players did. Here are some other events that hold the record for their respective sport.