Recently a list of camera certifications for 2019 got posted.
There are only 3 cameras that "could" be the 7d iii:
the K437 (32 mp dslr)
the K435 (24 mp dslr)
the K436 (24 mp dslr)
It cant be the K437 because there is no way that they are gonna use a 32mp sensor for a high fps sports cam.
And...