Half of the remaining field in the Cup Series playoffs is facing essentially a must-win situation at Martinsville Speedway, where NASCAR weathered a race manipulation scandal in last year's third-round finale.

XI Racing co-owner Denny Hamlin made a bold claim against NASCAR after three days of hearing against the racing giants ahead of Sunday's Cup Series race.

The track winds through buildings on the Navy base, then out toward the waters of San Diego Bay, where the digital demo reel shows two giant aircraft carriers parked alongside the circuit, before winding back onto the airfield where it winds among parked fighter jets.

Harrison Burton is set to join Sam Hunt Racing (SHR) full-time with Dean Thompson in 2026. The 25-year-old will drive the No. 24 Toyota GR Supra in the rebranded NASCAR O'Reilly Auto Parts Series.

Sam Hunt Racing expands to two full-time teams in 2026 with Dean Thompson returning and Harrison Burton joining the lineup.