2026 NASCAR O’Reilly Auto Parts Series entry list for Iowa Speedway
By Staff Report
NASCAR.com
Published:
1 Minute Read
The NASCAR O’Reilly Auto Parts Series returns to action following an off week to do battle at Iowa Speedway on Saturday (5 p.m. ET, The CW, ESPN Unlimited, MRN Radio, SiriusXM NASCAR Radio).
Saturday’s event will be the 23rd points-paying race of the 2026 O’Reilly Auto Parts Series season. Sam Mayer is the defending winner.
Derek Lemke will make his O’Reilly debut as driver of the No. 91 DGM Racing Chevrolet. The Delano, Minnesota, native has made three career NASCAR Craftsman Truck Series starts, with the most recent coming at Nashville Superspeedway in May. Additionally, 18-year-old Carson Brown will make his series debut in the No. 32 Chevrolet for Jordan Anderson Racing. Brown, a winner this year in the ARCA Menards Series, is a development driver for Richard Childress Racing.
Thirty-seven cars are entered into this weekend’s event.
