Overview
- The Southern 500 at Darlington starts the Round of 16 on Sunday, Aug. 31 at 6 p.m. ET on USA, running 367 laps with stage breaks at laps 115 and 230.
- RFK fields Brad Keselowski (No. 6), Chris Buescher (No. 17), and Ryan Preece (No. 60), with their post-reseed standings listed as 22nd, 17th, and 18th, respectively.
- Keselowski is a two-time Darlington winner (2018, 2024) with 12 top-10s in 23 starts and four top-10 finishes in his last six races entering the weekend.
- Buescher owns the third-best average start this season (11.7) and 13+ top-10s, while Preece has set career highs with 3 top-fives and 10 top-10s.
- Xfinity heads to Portland for the penultimate regular-season race, where Sam Mayer carries a 9.3 average finish among full-timers and a four-race top-five streak.