The IMSA WeatherTech SportsCar Championship kicks off a hectic stretch of five races in eight weekends at Watkins Glen.

Watkins Glen International hosts the Sahlen’s Six Hours of the Glen. This marks Round 5 of the season for Michelin technical partner teams in the GT Le Mans class. It’s also Round 3 of the North American Endurance Championship, a championship within a championship covering 52 hours of four endurance races.

Here is the weekend schedule for WeatherTech Championship competitors.

FRIDAY, JUNE 29

10:25 a.m.-11:25 a.m. Practice 1
2:50 p.m.-3:50 p.m. Practice 2

SATURDAY, JUNE 30

8:00 a.m.-9:00 a.m. Practice 3
11:35 a.m.-11:50 a.m. GTD Qualifying
12:00 p.m.-12:15 p.m. GTLM Qualifying
12:25 p.m.-12:40 p.m. P Qualifying
2:30 p.m.-3:15 p.m. IMSA Autograph Session

SUNDAY, JULY 1

8:00 a.m.-8:20 a.m. Warm-Up
9:45 a.m.-3:45 p.m. Sahlen’s Six Hours of the Glen

TV coverage airs live at 9:30 a.m. ET on FS1, with live flag-to-flag radio coverage on IMSA Radio.

We are just one week away from the #Sahlens6HRS at @WGI! Tune in info below as @imsa returns to action to kick off the post-Le Mans portion of 2018 schedule. pic.twitter.com/bqyneGZ1Az

— Michelin Racing USA (@MichelinRaceUSA) June 22, 2018