| Track | Type | First | Second | Third | Number of drivers | Date |
|---|---|---|---|---|---|---|
| lilski_watkins_glen-boot | Practice | 1 | 2021-05-21 14:05 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-05-19 03:14 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-05-19 01:42 | |||
| lilski_watkins_glen-boot | Practice | 5 | 2021-05-18 10:36 | |||
| lilski_watkins_glen-boot | Practice | 5 | 2021-05-13 09:54 | |||
| lilski_watkins_glen-boot | Practice | 8 | 2021-05-13 08:20 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-29 21:24 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-28 14:53 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-25 11:27 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-23 17:11 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-23 14:10 | |||
| lilski_watkins_glen-boot | Practice | 2 | 2021-04-23 12:39 | |||
| lilski_watkins_glen-boot | Practice | 2 | 2021-04-18 00:17 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-15 19:28 | |||
| lilski_watkins_glen-boot | Practice | 2 | 2021-04-13 21:32 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-13 18:31 | |||
| lilski_watkins_glen-boot | Practice | 2 | 2021-04-13 12:29 | |||
| lilski_watkins_glen-boot | Practice | 1 | 2021-04-12 13:31 | |||
| lilski_watkins_glen-boot | Practice | 2 | 2021-04-10 23:06 | |||
| lilski_watkins_glen-boot | Practice | 2 | 2021-04-08 07:43 |