The incident at the motorsports venue in Wootton, near Dover, happened at around 12.50pm on Saturday 4 May 2024.
A man in his 50s was riding a green Kawasaki ZX-10R motorcycle and came off the vehicle after leaving the track on a bend.
He was pronounced deceased at the scene.
The man’s next of kin have been informed and are being supported by officers from Kent Police’s Serious Collision Investigation Unit.
Anyone who witnessed the incident is urged to call the appeal line on 01622 798538 or email [email protected] quoting reference JG/043/24.
Video evidence of the collision can also be uploaded here – Evidence Request from Kent Police and Essex Police