Byron made his final pit stop on Lap 206 of 350 on the 0.875-mile oval, where the pit window is estimated at about 110 green-flag laps. The Hendrick Motorsports driver led a race-high 141 laps in his ...

Stretching his final tank of fuel for the final 144 laps, William Byron held on to win at Iowa Speedway over pole-sitter Chase Briscoe and Brad Keselowski. "Man, we deserved that one," Byron told his ...

NASCAR Cup Series action continued with the battle to reach the playoffs hotting up as Iowa Speedway hosted the latest race.

Chase Briscoe was called out for looking backward after Ryan Blaney was told he was running the same line during an emotional Cup Series race at Iowa.

William Byron saved enough gas and held off Chase Briscoe to win Sunday’s (Aug. 3) Iowa Corn 350 at Iowa Speedway. Byron had ...

Chase Briscoe had his hands full defending the lead during Stage 2 of Sunday’s Iowa Corn 350 at Iowa Speedway. Ryan Blaney ...

Ryan Blaney criticizes Chase Briscoe's mirror driving at Iowa, sparking debate on NASCAR's rear-view mirror tactics.

NASCAR returns to Iowa Speedway for the Iowa Corn 350 on Sunday, marking just the second-ever Cup Series race at the 0.875-mile track in Newton.

It was a repeat win at the Iowa Speedway as Sam Mayer clinched the HyVee Perks 250 for the second year in a row.

NASCAR is at Iowa to take over Iowa Speedway today, Sunday, August 3, 2025. Here's the TV schedule, race start time, where to watch and streaming.

The Iowa Corn 350 will be aired on the radio by the Motor Radio Network. MRN has affiliates all across the country, and their feed can also be streamed on NASCAR.com as well as the NASCAR app. The ...

Welcome to the Racing America On SI Live Race Updates page for the 2025 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol at Iowa Speedway. Be sure to refresh ...