Aidan Zingg -- a young up-and-coming motocross star -- was killed in a racing accident this weekend ... according to multiple reports.
The racer was competing in the 2025 Mammoth Motocross event in Mammoth Lakes, California Saturday where he sustained his fatal injuries.
According to the motocross focused outlet DirtbikeLover, Zingg was participating in the event when he crashed and was "run over by multiple bikes." It's unclear what caused the accident.
We've reached out to local authorities about the accident .