WWE's SummerSlam 2017 gone on for 4 hours 0 minutes and 44 seconds (4h 00m 44s). Here is a breakdown of the planning for each and every second of the show, in sequential request.
The matches are in intense. The "pre-coordinate" portions incorporate video bundles, doors, ring presentations, and any verbal promos that happen just before a match formally starts. The "post-coordinate" portions incorporate any festivals, replays, points, assaults, or promos that happen directly after a match is done.