Latest Guide:  2020 Mobil1 Twelve Hours of Sebring Latest update: Friday 13th November, 9pm ( IWSC#96 Yelloly confirmed) A warm welcome back to SpotterGuides.com and this dedicated page for the 2020 season for the official IMSA WeatherTech SportsCar Championship and IMSA Michelin Pilot SportsCar Challenge. With a revised schedule due to Covid-19, the IMSA WeatherTech … Continue reading 2020 Official IMSA Spotter Guide