IMSA Header Graphic
Featured Image

For the fourth race of the 2017 IMSA WeatherTech SportsCar Championship season, all four classes are set to take to Austin’s Circuit of The Americas in Saturday’s Advance Auto Parts Sportscar Showdown.

The Prototype, Prototype Challenge, GT Le Mans and GT Daytona competitors tackle the demanding 20-turn, 3.4-mile circuit in two hours, 40 minutes of exciting action. With this year’s COTA event swapping to an earlier weekend, all-new will surely play a part. The race will be same-day delay televised on FS1 beginning at 7 p.m. ET on Saturday, May 6.

The weekend also features the third round of the IMSA Continental Tire SportsCar Challenge in Friday’s Circuit of The Americas 120, a two-hour race that will be streamed live on, beginning at 3:45 p.m. ET. Also streamed live will be a pair of races for both the Lamborghini Blancpain Super Trofeo and Porsche GT3 Cup Challenge USA by Yokohama. and the IMSA mobile app will stream live in-car cameras, timing and scoring, and IMSA Radio’s play-by-play on Saturday beginning at 2:35 p.m. ET. and the IMSA mobile app will also stream Friday’s WeatherTech Championship qualifying, along with live timing and scoring throughout the weekend.

IMSA Radio, a co-production with Radio Show Limited, continues providing live audio coverage of all IMSA sessions. Tune in live all weekend long on,, Sirius Channels 106 and 145, XM 203, and Sirius XM Online 967. You can also listen live at-track on scanner channel 454.000.

Friday, May 5 (All Times ET)
Lamborghini Super Trofeo qualifying kicks off Friday’s activities at 9 a.m. Continental Tire Challenge qualifying gets underway at 12:15 p.m., while WeatherTech Championship qualifying takes the green at 1:05 p.m. and will be aired live on and the IMSA mobile app. Round 3 of the Continental Tire Challenge will take the green flag at 3:45 p.m. Friday will conclude with the first races for Lamborghini Super Trofeo (6:30 p.m.) and Porsche GT3 Cup Challenge USA (7:40 p.m.), both streamed live on and the IMSA mobile app.

Saturday, May 6
Saturday opens with a 20-minute warm-up for the WeatherTech Championship at 9:40 a.m. Race 2 for both Lamborghini Super Trofeo (10:45 a.m.) and Porsche GT3 Cup Challenge USA (12 p.m.) will be streamed live on and the IMSA mobile app. The Advance Auto Parts Sportscar Showdown – Round 4 of the WeatherTech Championship – takes the green flag at 2:35 p.m. Live coverage is available via and the IMSA mobile app, streaming in-car cameras, live timing and scoring, and IMSA Radio’s play-by-play. Same-day delay coverage of the race on FS1 begins at 7 p.m.

***Live international broadcast stream available on and the IMSA mobile app.

Featured Image
Quick Links
International Motor Sports Association
Facebook Twitter YouTube Instagram
International Motor Sports Association, LLC, One Daytona Blvd., Daytona Beach, FL 32114