2021 IndyCar Series Kalender
| Race | Circuit | Type | Land | Datum |
|---|---|---|---|---|
| Honda Indy Grand Prix of Alabama | Barber Motorsports Park | Permanent |  |
18 April |
| Firestone Grand Prix of St. Petersburg | St. Petersburg | Stratencircuit | |
25 April |
| Genesys 300 | Texas Motor Speedway | Oval | |
02 Mei |
| XPEL 375 | Texas Motor Speedway | Oval | |
02 Mei |
| GMR Grand Prix | Indianapolis Road Course | Permanent | |
15 Mei |
| 105th Indianapolis 500 | Indianapolis | Oval | |
30 Mei |
| Chevrolet Detroit Grand Prix - Race 1 | Detroit Belle Isle | Stratencircuit | |
12 Juni |
| Chevrolet Detroit Grand Prix - Race 2 | Detroit Belle Isle | Stratencircuit | |
13 Juni |
| REV Group Grand Prix | Road America | Permanent | |
20 Juni |
| Honda Indy 200 at Mid-Ohio | Mid-Ohio | Permanent | |
04 Juli |
| Big Machine Music City Grand Prix | Nashville | Stratencircuit | |
08 Augustus |
| Big Machine Spiked Coolers Grand Prix | Indianapolis Road Course | Permanent | |
14 Augustus |
| Bommarito Automotive Group 500 | Gateway | Oval | |
22 Augustus |
| Grand Prix of Portland | Portland | Permanent | |
12 September |
| Firestone Grand Prix of Monterey | Laguna Seca | Permanent | |
19 September |
| Acura Grand Prix of Long Beach | Long Beach | Stratencircuit | |
26 September |