NHRA officials announced today that Friday’s pro qualifying session for the NHRA Thunder Valley Nationals at Bristol Dragway has been moved forward two hours due to potential weather that evening.

In the revised schedule, Pro Stock and Pro Stock Motorcycle qualifying will now begin at 5 p.m., and Top Fuel and Funny Car qualifying will now get underway at 6 p.m.

Saturday’s final two qualifying rounds remain scheduled for 1:30 and 4:30 p.m. Final eliminations are scheduled for noon on Sunday, June 19.

Friday’s 90-minute qualifying show will air on FS1 at 8 p.m. (ET), and be followed by a one-hour Saturday qualifying highlights show at 11 p.m. (ET), also on FS1. Sunday’s three-hour final eliminations show will air at 3 p.m. (ET) on FOX.

Enough with the multi-colored neck ties and fancy pocket protectors, there's still time to purchase tickets and give your Dad an unforgettable Father's Day weekend experience. Weekend packages begin at just $94 while single-day Friday tickets start as low as $30 for adults. Saturday adult tickets start at $47 and Sunday’s tickets start at $37. Kids 12 and under tickets are free each day in grandstand sections A-U with a paid adult.

To purchase your reserved seats, call Bristol Dragway at (423) 989-6900. Tickets also are available online at www.bristoldragway.com. NHRA Thunder Valley Nationals tickets are available by visiting the Bristol Motor Speedway website or by calling the Bristol Motor Speedway ticket office at 866-415-4158.