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Dec
IMSA Support Series Surge: Michelin Pilot Challenge Averages 39.5 Entries, VP Challenge Peaks at 33 Cars in 2025
IMSA’s Michelin Pilot Challenge averaged 39.5 entries per race in 2025, while the VP Racing SportsCar Challenge hit a season-high 33-car grid. These trends show rising class stability, expanding participation, and new GT3 momentum across IMSA support series.
5 min read