Photo: IMSA The four event, two-hour endurance race component of the LMP3 season comes to an end at Road America this weekend to cap off the IMSA Airbnb Endurance Challenge campaign. It also will see the first top scorers of the championship confirmed as part of the overall LMP3 season that spans the four endurance races and the ten sprint rounds that make up the VP Racing SportsCar Challenge. The three previous Airbnb Endurance Challenge races …
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