Babylonfive
Power12
They did not break any record...
We did it here in the Netherlands on the 14th of September with 255 cars.
Dutch original:
Gelukt: Wereldrecord gebroken!! | Professional Passionates Electric Rally
Google translated version:
World record
thanks VolkerP for the translate link
I think that the OP talks about a single model of EV (Leaf), not a group consisting of different EV models.