Registration for the November 5-7, 2021 Tire Rack SCCA South Texas ProSolo at Chase Field will now open on Wednesday, September 29 at 3:00 pm central. 

An updated registration opening date for the South Texas ProSolo has been announced in order to finalize some remaining details. The opening date has been pushed one week, to now open on Wednesday, September 29 at 3:00 pm central.