| 8 | 55.00 | The Second Annual Triumph Open - Iowa Cup #1 | C | 04-Mar-2018 |
| 2 | 5.00 | Bash at Wildlife II | C | 17-Mar-2018 |
| 17 | 82.50 | Southside Saturday | B | 24-Mar-2018 |
| 3 | 150.00 | Sioux Passage Sunday | B | 25-Mar-2018 |
| 2 | 35.00 | Clash at the Canyons Warm Up | C | 15-Apr-2018 |
| 13 | 520.00 | THE RUMBLE presented by Discraft | A | 20-Apr to 22-Apr-2018 |
| 21 | 90.00 | Discraft Presents: The 5th Annual Illinois Amateur Championship | A | 28-Apr to 29-Apr-2018 |
| 72 | 40.00 | Clash at the Canyons - MPO, MP40, MP50, MA1, FPO | A | 12-May to 13-May-2018 |
| 2 | 105.00 | Smokin Aces presents South City Showdown: Sponsored by Dynamic Discs - GDG $5K/$10K event | B | 19-May-2018 |
| 6 | 247.50 | 5th Annual Iowa Amateur Championships | B | 26-May to 27-May-2018 |
| 1 | 20.00 | Good Neighbor Days Tournament | C | 02-Jun-2018 |
| 2 | 162.50 | 2018 Peoria Frisbee Club Summer Sanctioned League | L | 04-Jun to 06-Aug-2018 |
| 1 | 120.00 | Riverfest 6.0 presented by Discraft-Iowa Cup #9 $1000!! | B | 17-Jun-2018 |
| 1 | 210.00 | IOS #91 Sinnissippi Open Sponsored by Air Play Sports & Espresso - All Others | B | 24-Jun-2018 |
| 3 | 380.00 | 2018 Saint Louis Open Sponsored by Dynamic Discs | A | 29-Jun to 01-Jul-2018 |
| 1 | 85.00 | Bringing Back Baker | C | 08-Jul-2018 |
| 1 | 60.00 | Peoria Frisbee Club's Greater Peoria Open 2018 | B | 15-Jul-2018 |
| 5 | 20.00 | Dog Days of Summer presented by Foster Pet Outreach | C | 28-Jul-2018 |
| 5 | 1360.00 | DGPT - Discraft Ledgestone Insurance Open | A | 09-Aug to 12-Aug-2018 |
| 2 | 82.50 | The 6th Annual Willmore Open Powered by Prodigy | B | 25-Aug-2018 |
| 16 | 0.00 | Smokin Aces presents: ILL SIDE OPEN sponsored by Dynamic Discs | C | 15-Sep-2018 |
| 1 | 52.50 | 20th Annual Capital City Challenge Driven by Innova | B | 06-Oct-2018 |
| 1 | 45.00 | The Pekin City Championships | B | 13-Oct-2018 |
| 15 | 0.00 | 2018 Bloomington Normal Open | B | 20-Oct-2018 |
