2:01.758 transponder time 
2:01.777 AiM Solo 2 DL time 
This was lap 9 of the 2021 NASA Nationals championship race. 
At the time of posting this is the ST3 race lap record, not the overall ST3 lap time record. 
Car is a 2018 Chevy Camaro SS 1LE with a submitted weight of 3635lbs and 378whp for the NASA ST3 class. 
Turns out when you're driving angry with an open differential because the car isn't cooperating, you can still turn a solid lap time