The 2026 NASCAR Cup Series season begins now in a manner of speaking.<br>There will be two days of tire testing on Wednesday and Thursday for Goodyear to continue refining its tire combinations for the high-speed half-mile following drastic racing product swings that range from traditional racing to extreme tire wear.<br>The swing is largely believed to be a byproduct of temperatures, with cooler ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/2026-short-track-testing-begins-this-week-for-nascar/10776035/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>