The NASCAR Cup Series is set to tackle Sonoma Raceway this weekend, marking the fourth road course event of the 2026 season. The 2.52‑mile circuit, known for its steep climbs and tight turns in Northern California, will test the skill of the drivers as they navigate elevation changes that have become a hallmark of the schedule.
Allmendinger’s 500th Start
Kaulig Racing has announced EchoPark Automotive as the primary sponsor for AJ Allmendinger’s No. 16 entry, adding a fresh branding layer to the driver’s milestone run. Allmendinger, who is slated to make his 500th Cup Series start at Sonoma, brings a record of four top‑10 finishes and a pole award to the track, making his presence a focal point for fans and analysts alike.
Patriot Mobile’s Return
Meanwhile, Ty Dillon’s No. 10 car will be backed by Patriot Mobile, which returns as a sponsor for the In‑Season Challenge. Dillon is slated to open the tournament against veteran Denny Hamlin, a matchup that carries extra intrigue after his 2025 upset of top‑seeded drivers.
Broadcast and Coverage
The In‑Season Challenge itself begins at Sonoma, serving as the first stage of a competition that will be aired across TNT Sports, PRN, and SiriusXM NASCAR Radio channel 90. The broadcast partnership ensures nationwide coverage, bringing the high‑stakes racing to a broad audience.
Beyond the headline acts, the weekend will also feature a lineup of drivers including Chase Briscoe, Alex Bowman, John Hunter Nemechek, Ty Gibbs, and Richard Childress Racing’s own Austin Dillon, each looking to add their names to the growing list of road course successes.
The Road Course Challenge
Sonoma’s demanding layout, with its combination of elevation and technical corners, continues to differentiate the Cup Series from traditional oval tracks. The track’s unique character has drawn praise from teams and drivers, who often cite the challenge as a refreshing test of strategy and car setup. As the series moves forward, the results from Sonoma will influence playoff positioning and sponsor visibility, especially for EchoPark Automotive and Patriot Mobile, both of which are investing heavily in their respective campaigns.