Larson had the fastest overall average lap speed at 91.019 mph, which he set in the first 20-minute session.<br>Martin Truex Jr. was second-fastest overall 991.078 mph, also in the first session, while A.J. Allmendinger was third (91.019 mph) and fastest in the second session.<br>Group A<br>Larson finished the first 20-minute session with the fastest average lap speed at 91.729 mph.<br>Truex was ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/kyle-larson-leads-sonoma-cup-practice/10481337/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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