The Royal Rumble has been a tradition since 2015 and here is a list of records.
# won: all (Dean Ambrose, Sheamus, Roman Reigns) 1
# time/single: Roman Reigns, 2017 45:54
# time/all: Braun Strowman 2:06:25
# elimination/single: Rusev: 6, 2015
# elimination/all: Kane, 13
# shortest: Heath Slater 00:14, 2016