To avoid running in oppressive heat, qualifying for the inaugural Professional Drag Racers Association (PDRA) Under the Lights event at Osage Casino Tulsa Raceway Park (TRP) began at 6 p.m. Friday, Aug. 15, but when the second round didn't conclude until after 2 a.m. Saturday, PDRA and track officials reached the decision to postpone the third of three scheduled qualifying sessions to 3 p.m. with eliminations to follow Saturday night.

To avoid running in oppressive heat, qualifying for the inaugural Professional Drag Racers Association (PDRA) Under the Lights event at Osage Casino Tulsa Raceway Park (TRP) began at 6 p.m. Friday, Aug. 15, but when the second round didn't conclude until after 2 a.m. Saturday, PDRA and track officials reached the decision to postpone the third of three scheduled qualifying sessions to 3 p.m. with eliminations to follow Saturday night.

Jason Scruggs led the premier Pro Extreme class with a track record 3.570-seconds pass at 214.79 mph in his supercharged 1969 Camaro. In Pro Nitrous, Khalid Mohammed was first with a 3.811 at 198.70 mph in another '69 Camaro, while Todd Tutterow in yet another supercharged version of the classic Chevy placed number one with a 3.853 run at 191.19 in the new PDRA Pro Boost class.

In the naturally aspirated Extreme Pro Stock division, John Montecalvo topped the field with a 4.103 at 176.51 mph in his 2012 Camaro, while Pro Extreme Motorcycle rider Eric McKinney rounded out the PDRA professional class leaders with a 4.082-seconds ride at 172.36 mph aboard his 2012 Suzuki.

First in the sportsman classes, also with one more qualifying opportunity, were Aaron Glaser in Top Sportsman and Phil Esz in Top Dragster, while all three Jr. Dragster qualifying sessions were completed Friday night, leaving Tutterow's daughter, Tia, on top in Pro Jr. Dragster and Kaylee Shepherd first in Top Jr. Dragster.

Qualifying resumes on Saturday with one session followed by eliminations.