Latest Guide: 2019 Petit Le Mans Last Updated: v1c: 17:25pm EST, 10  October 2019 (Updates to WeatherTech #54, 62 and Michelin Pilot #19, #60and #99 liveries) A warm welcome back to SpotterGuides.com and this page for the 13th season of the official IMSA Spotter Guide. The final round of the 2019 IMSA WeatherTech Championship takes … Continue reading 2019 Official IMSA Spotter Guide