A disjointed Friday practice session made it hard for IndyCar Series teams to do long runs on Firestone’s black-banded ...

Christian Rasmussen (photo) was an impressive fifth quickest overall in practice Friday, but he'll keep an eye on tire wear ...

Championship hopeful Will Power tagged McLaren's Nolan Seigal on the opening lap of IndyCar's season opener ... who had started with soft alternative tires had the opportunity to quickly abandon ...

Who'll win the St. Pete IndyCar race?: Schedule, TV coverage, prediction, streaming Power, who turned 44 years old Saturday, will go into Sunday with more tires at his disposal, having competed in ...

A durability gap between primary and alternate tires helps make that possible when it’s as wide as a ditch. When that ...

Coming into 2025, IndyCar asked Firestone to alter its alternate compound in such a way that there would be a bigger gap in performance between the two tires. And based on what we’ve seen so far ...