VIDEOS:
3DBotMaker KotM - Double DNF
In a failure-afflicted example of this trope, two MOPAR cars went head-to-head for the ninth qualifying race of the 2020 to 2022 King of the Mountain tournament. Neither car could finish the first race because they wouldn't stop flipping over on the second banked hairpin turn, leading to announcer 3D declaring the event over after four failed attempts, thus making this the first and only double DNF in the history of King of the Mountain.
Example of:
Double Knockout