The 2025 Whelen Mazda MX-5 Cup Presented By Michelin is a single-make motor racing championship, the 21st season of the Mazda MX-5 Cup and the 5th sanctioned by the International Motor Sports Association (IMSA). The series began on January 23 at Daytona International Speedway, and will conclude on October 11 at Michelin Raceway Road Atlanta after 14 rounds.
Gresham Wagner is the defending champion, having won his second series title in 2024.
The schedule was announced on October 16, 2024, featuring 14 rounds across seven double-header weekends. In a change from the 2024 calendar, rounds at St. Petersburg and Barber were added, while events at Sebring and Laguna Seca were dropped. All races are 45 minutes in length.
All competitors utilize the Mazda MX-5 Cup car, modified to their homologated racing specification by Flis Performance.
= Eligible for Rookie's Championship
Bold indicates overall winner.
Championship points are awarded at the finish of each event according to the chart below.
IMSA recognizes driver champions based on the total number of championship points earned during the season.
â : Post-event penalty. Car moved to back of class.