Below are some potential notable starts being made by drivers this weekend. Notable meaning they will be tied with a driver in number of starts made in that specific series, or the number of starts being made is a significant number that they are reaching in their specific race this weekend at Iowa Speedway. Rankings reflect the all-time starts list for that series.
(The image above each series is the driver I find having the most notable start this weekend)

*This will be updated after qualifying for each race if a driver does not make the race.

This weekend at Iowa Josh Bilicki will make his 150th career O’Reilly Series start. Image credit: @SSGLR0708 X Page

O’Reilly Auto Parts Series Starts

Garrett Smithley: 219th start ties Brendan Gaughan, ranks 60th

Brennan Poole: 213th start ties Blake Koch, ranks 63rd

Austin Hill: 169th start ties Alex Labbe, ranks 99th

Josh Bilicki: 150th start! Ranks 113th

Blaine Perkins, Harrison Burton & Sammy Smith: 131st start ties A.J. Allmendinger, ranks 134th

Jesse Love: 89th start ties Chase Elliott & Daniel Suarez, ranks 198th

Carson Kvapil: 65th start ties Ryan Newman, ranks 246th

William Sawalich: 57th start ties Alex Bowman & Ernie Irvan, ranks 263rd

Rajah Caruth: 45th start ties Connor Zilisch, ranks 306th

Lavar Scott: 25th start! Ranks 405th

Carson Brown & Derek Lemke: 1st start!

Michael McDowell makes his 560th career Cup Series start this weekend at Iowa which ties him with NASCAR Legend, Cale Yarborough for 39th most all-time. Image credit: @SpireMotorsport X Page

Cup Series Starts

Michael McDowell: 560th start ties Cale Yarborough, ranks 39th

Ricky Stenhouse Jr.: 495th start ties Wendell Scott, ranks 51st

Kyle Larson: 425th start! Ranks 68th

Daniel Suarez: 346th start ties Reed Sorenson, ranks 88th

Tyler Reddick: 241st start ties Todd Bodine, ranks 127th

Chase Briscoe: 203rd start ties Phil Parsons, ranks 149th

Ty Gibbs: 146th start ties Timmy Hill, ranks 192nd

Riley Herbst: 67th start ties Brendan Gaughan, ranks 289th