The second half of the 2025 Challenge of the Americas kicked off at the Sonoma Raceway over the April 25-27 weekend. The Sonoma, California facility hosted Round Five and Six of the 18th year of the championship, welcoming nearly 100 entries over the six categories. Rob Howden and David Cole review the two days of racing at the WinterNationals in this episode of the Debrief – presented by Kart CRG USA. The show begins with the Factory Karts Paddock Pass before getting into all the details of the weekend with the AiM Sports Race Report. The EKN Trackside Live Race Calendar presented by Sodi Racing USA completes the podcast.