| 12 | 132.00 | Fraction Run Cup 3 | C | 20-Mar to 21-Mar-2021 |
| 9 | 32.00 | Throne Throwdown | C | 27-Mar-2021 |
| 4 | 80.00 | The Spring Thing presented by Castle Chiropractic & Birdbrain Disc Golf Club | C | 28-Mar-2021 |
| 15 | 132.00 | Skyline Classic - All Other Divisions | B | 11-Apr-2021 |
| 46 | 12.00 | Clay Track Classic 3 | C | 17-Apr to 18-Apr-2021 |
| 1 | 108.00 | In the Grooves at Fairfield Presented by Discontinuum DGC and fueled by Dellwood Disc Golf - MA4, MA3, and MA2 | C | 24-Apr-2021 |
| 1 | 204.00 | Paper or Plastic Presents The Dave Pitner Memorial - MPO/MP50/MA1/MA2/MA40 | B | 15-May-2021 |
| 8 | 150.00 | IOS #105 Eureka Open - (Upper Divisions) | C/B | 22-May-2021 |
| 21 | 108.00 | Werk Force Brewing Open 3 | C | 29-May to 30-May-2021 |
| 12 | 102.00 | IOS #106 Sinnissippi Open Presented by Food Fitness You - MPO/MA2/MA4/FA2/FA4/MA40 | B | 12-Jun-2021 |
| 11 | 64.00 | Sandy Knoll Series #1 driven by Innova Discs | C | 13-Jun-2021 |
| 40 | 100.00 | Clash at The Canyons V presented by Discmania | C | 19-Jun to 20-Jun-2021 |
| 32 | 42.00 | IOS #107 Northwood Open - MPO/MA2/MA4/FA2/FA4/MA40 | B | 26-Jun-2021 |
| 2 | 222.00 | Silver Cup XXI Amateurs presented by Discmania and Rollin' Ridge | B | 03-Jul to 04-Jul-2021 |
| 5 | 210.00 | The Northern Illinois Open presented by West Suburban Restoration | B | 10-Jul to 11-Jul-2021 |
| 12 | 174.00 | IOS #108 Case Jackson Memorial presented by Discontinuum - MPO/MA2/MA4/MA40 | B | 17-Jul-2021 |
| 33 | 156.00 | 2021 Discontinuum Club Challenge Invitational | XC | 25-Jul-2021 |
| 26 | 2600.00 | Discraft Ledgestone Insurance Open presented by GRIPeq | A | 06-Aug to 08-Aug-2021 |
| 1 | 384.00 | 39th Illinois State Disc Golf Championships | B | 14-Aug to 15-Aug-2021 |
| 26 | 64.00 | Unstable Open 3 | C | 21-Aug to 22-Aug-2021 |
| 1 | 180.00 | IOS #109 Oswego Open - MPO/MA2/MA4/FA2/FA4 | C/B | 28-Aug-2021 |
| 13 | 4.00 | The Lonely Beaver | C | 18-Sep-2021 |
| 2 | 72.00 | IOS #110 Illiana Open | B | 19-Sep-2021 |
| 7 | 216.00 | 34th Channahon Classic | B | 25-Sep to 26-Sep-2021 |
| 34 | 72.00 | J-Town Championships | B | 16-Oct to 17-Oct-2021 |
| 7 | 136.00 | The Ugly Sweater 2 | C | 11-Dec to 12-Dec-2021 |
