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 Word Wide Technology Raceway (Gateway). 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 Matt Mills makes his first Xfinity start of 2025 and ties 2x Cup Champion Terry Labonte by making his 124th career Xfinity Series start. Image credit: @DGMRacingFL X Page
Xfinity Series Starts
Justin Allgaier: 497th start ties Mike Wallace, ranks 5th
Ryan Sieg: 393rd start ties J.J. Yeley, ranks 12th
Joey Gase: 300th start! Ranks 29th
Garrett Smithley: 200th start! Ranks 74th
Austin Hill: 139th start ties Noah Gragson, ranks 119th
Matt Mills: 124th start ties Terry Labonte, ranks 140th
Kyle Sieg: 107th start ties Casey Mears & David Ragan, ranks 166th
Parker Retlzaff: 100th start! Ranks 178th
Kole Raz: 1st start!

Chase Elliott makes career milestone start number 350 this weekend at Gateway! Photo by Jeffrey Vest — Icon Sportswire via Getty Images
Cup Series Starts
Michael McDowell: 529th start ties Kasey Kahne, ranks 43rd
A.J. Allmendinger: 474th start ties Harry Gant, ranks 54th
Chase Elliott: 350th start! Ranks 86th
Riley Herbst: 36th start ties Bob Flock & Red Farmer, ranks 376th