"Using the fastest, most agile and lightweight racing planes, pilots navigate a low-level aerial race track made up of air-filled pylons, reaching speeds of 400 km/h while withstanding forces of up to 10 Gs."
First of all, in order to be covered, you need to be driving the vehicle with the permission of its owner.
h any kind of regularity, and you are driving the vehicle with permission, you should be covered to the extent the insurance company allows in its underwriting guidelines.