Speedway Digest

IMSA Airbnb Endurance Challenge Premieres at Sebring for LMP3 Competitors

The Le Mans Prototype 3 (P3) class revives a long-standing multi-driver aspect with the launch of the new IMSA Airbnb Endurance Challenge, a four-round series for LMP3 competitors. It provides an ...
Motor Trend

Acura, Team Penske Announce IMSA WeatherTech Championship Prototype Program

Confirming one of the worst kept secrets in American racing, Acura Motorsports on Tuesday announced a two-car effort in association with Team Penske. The famous U.S.-based team will campaign a pair of ...
AOL

Here are the Differences Between the Three Prototype Classes in the IMSA SportsCar Championship

At 150 mph, the three different classes of IMSA prototype cars look essentially the same. The top dog is the Daytona Prototype international, or DPi. Second on the rung is the Le Mans Prototype 2, or ...
autoweek

Sentiment Growing for IMSA, WEC to Combine Technical Rules for Prototypes

The convergence in sports car endurance racing been a success judging by the manufacturer participation and fan response. But how long can the momentum continue when one brand is winning all the ...