A slang used to describe someone getting beat at something like a game or if someone were to fail at something like parkour. It is even used for inanimate objects. Example:
That beer bottle just got ran -- in this context, the beer bottle was thrown into the air and shattered upon impact and was destroyed, therefore getting ran.
If there was a video where someone was doing bike jumps and their bike missed the jump and they crashed, they would have gotten ran