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2026 Iowa Corn 350 Powered by Ethanol practice 1 results Select a practice session: 1Summary Previous race results / Next race results                     Previous at this track     Post NASCAR Cup Series race number 23 of 36 Sunday, August 9, 2026 at Iowa Speedway, Newton, IA 350 laps on a 0.875 mile paved track (306.250 miles) Time of race: 2:57:49 Average speed: 103.337 mph Pole speed: 134.191 mph Cautions: 7 for 45 laps Margin of victory: .253 sec Attendance: n/a Lead changes: 9 Green flag passes: 2,239 (7.3 per green flag lap) (Source: NASCAR loop data) Glossary    2026 NASCAR Cup Series results   /   2026 standings

Practice 1 results for this race: Rank Driver Nbr Car Time Diff Speed # Laps Best Lap 1 Erik Jones 43 Toyota 23.710     132.855   58 58 2 Ty Gibbs 54 Toyota 23.766   0.056   132.542   52 52 3 Austin Cindric 2 Ford 23.778   0.068   132.475   81 25 4 Todd Gilliland 34 Ford 23.812   0.102   132.286   47 47 5 Ryan Blaney 12 Ford 23.813   0.103   132.281   93 46 6 Denny Hamlin 11 Toyota 23.859   0.149   132.026   24 24 7 Joey Logano 22 Ford 23.877   0.167   131.926   81 32 8 Ross Chastain 1 Chevrolet 23.924   0.214   131.667   86 43 9 Christopher Bell 20 Toyota 23.936   0.226   131.601   69 37 10 William Byron 24 Chevrolet 23.950   0.240   131.524   64 31 11 Bubba Wallace 23 Toyota 23.956   0.246   131.491   70 40 12 Austin Hill 33 Chevrolet 24.002   0.292   131.239   72 44 13 John H. Nemechek 42 Toyota 24.008   0.298   131.206   66 42 14 Brad Keselowski 6 Ford 24.011   0.301   131.190   58 17 15 Zane Smith 38 Ford 24.034   0.324   131.064   54 37 16 Josh Berry 21 Ford 24.035   0.325   131.059   81 59 17 Tyler Reddick 45 Toyota 24.041   0.331   131.026   80 29 18 Chris Buescher 17 Ford 24.051   0.341   130.972   80 24 19 Kyle Larson 5 Chevrolet 24.054   0.344   130.955   60 14 20 Chase Briscoe 19 Toyota 24.060   0.350   130.923   39 18 21 Cody Ware 51 Chevrolet 24.075   0.365   130.841   80 41 22 Alex Bowman 48 Chevrolet 24.079   0.369   130.819   60 26 23 Shane Van Gisbergen 97 Chevrolet 24.090   0.380   130.760   73 42 24 Carson Hocevar 77 Chevrolet 24.100   0.390   130.705   70 41 25 Ricky Stenhouse Jr 47 Chevrolet 24.104   0.394   130.684   66 33 26 Connor Zilisch 88 Chevrolet 24.110   0.400   130.651   60 40 27 Michael McDowell 71 Chevrolet 24.136   0.426   130.510   77 56 28 Ty Dillon 10 Chevrolet 24.153   0.443   130.419   73 40 29 A.J. Allmendinger 16 Chevrolet 24.153   0.443   130.419   62 45 30 Chase Elliott 9 Chevrolet 24.154   0.444   130.413   60 31 31 Riley Herbst 35 Toyota 24.169   0.459   130.332   27 25 32 Austin Dillon 3 Chevrolet 24.187   0.477   130.235   57 43 33 Daniel Suarez 7 Chevrolet 24.243   0.533   129.934   64 36 34 Noah Gragson 4 Ford 24.275   0.565   129.763   64 30 35 Ryan Preece 60 Ford 24.286   0.576   129.704   42 4 36 Cole Custer 41 Chevrolet 24.355   0.645   129.337   37 25