2021 F4 U.S. Championship
| March 26-28 | Road Atlanta |
| May 14-16 | Road America |
| June 24-27 | Mid-Ohio |
| July 16-18 | Brainerd |
| September 24-26 | VIR |
| November 5-7 | Circuit of The Americas |
F4 U.S. Championship schedule
| March 26-28 | Road Atlanta |
| May 14-16 | Road America |
| June 24-27 | Mid-Ohio |
| July 16-18 | Brainerd |
| September 24-26 | VIR |
| November 5-7 | Circuit of The Americas |
