William Sawalich battled back through the field after getting spun and led Toyota with a third-place finish at Iowa Speedway on Saturday evening. Taylor Gray (seventh) put a second Joe Gibbs Racing Supra in the top-10.
The 2023 Cup Series champion from High Point, North Carolina, clocked in a pole-winning lap at 134.191 mph in 23.474 seconds for his third Cup pole of 2026 in Newton, Iowa.
The 39-year-old Sieg from Tucker, Georgia, clocked in a pole-winning lap at 131.436 mph in 23.966 seconds for his first O'Reilly Auto Parts Series career pole in his 423rd series start.