Blizzard have announced they will be adding two more Fresh Start realms for the WotLK Classic pre-patch on August 31st, one day after the pre-patch starts

Fresh Start (Source)

On Wednesday, 31 August, there will be two new Fresh Start realms available for character creation and play immediately after patch maintenance is complete. Those realms will be:

Thekal (PvP)
Giantstalker (Normal)

We’re really looking forward to seeing you there next week!