To unlock these tracks, unlock certain grids in Campaign Mode.

Track	How to unlock
Corridon 12	Unlock Turblence Grid In Campaign Mode.
Modesto Heights Reverse	Unlock Voltage Grid In Campaign Mode.
Pro Tozo	Unlock Impact Grid In Campaign Mode.
Syncopia	Unlock Aftermath Grid In Campaign Mode.
Talon's Junction Reverse	Unlock Impact Grid In Campaign Mode.
Tech De Ra	Unlock Impact Grid In Campaign Mode.
Tech De Ra Reverse	Unlock Voltage Grid In Campaign Mode.
The Amphiseum Reverse	Unlock Turblence Grid In Campaign Mode.