IMSA President John Doonan said that making Road America a six-hour Michelin Endurance Cup round will bring “excitement” to ...

IMSA President John Doonan discussed in further detail the changes to the 2026 WeatherTech SportsCar Championship calendar, ...

The move gives one fresh tweak to what has been a fairly stable schedule for IMSA, and Road America may get a chance to show ...

On Thursday, two days before the green flag falls for the 73rd Mobil 1 Twelve Hours of Sebring, IMSA became the first major ...

A good thing just got better, as the International Motor Sports Association (IMSA) and WSC Group today announced an extension of the partnership that will see the Touring Car (TCR) class remain a part ...

IMSA GTP teams now use this tool to enhance their simulator sessions, enabling them to accurately replicate tire warm-up, the effects of track temperature, and how car setups influence both tire and ...

It was none other than John Doonan, president of IMSA, who said the quiet part out loud when, unprompted, in his prerace remarks about the strength of the series said: “It looks like the papaya army ...

Esther and Frank had four boys, John (Loretta), George (Deceased), Ronald (Holly) and James (Monica) and were married for 53 years. After Frank’s passing in 1999 Esther married James W.