| 6 | 55.00 | The Second Annual Triumph Open - Iowa Cup #1 | C | 04-Mar-2018 | $65 |
| 5 | 30.00 | Spring Into Legion - IOWA CUP #2 | C | 10-Mar-2018 | |
| 4 | 25.00 | Bash at Wildlife II | C | 17-Mar-2018 | $35 |
| 17 | 7.50 | Iron Lion's Mulligan Monday League | L | 19-Mar to 23-Apr-2018 | |
| 5 | 70.00 | Big Woods Open | C | 31-Mar-2018 | $60 |
| 9 | 45.00 | 8th Annual Shaver Showdown | C | 01-Apr-2018 | |
| 8 | 20.00 | Fairfield Open | C | 07-Apr-2018 | |
| 11 | 65.00 | Pickard Pectacular | C | 14-Apr-2018 | |
| 24 | 530.00 | THE RUMBLE presented by Discraft | A | 20-Apr to 22-Apr-2018 | $198 |
| 4 | 60.00 | 6th Annual Pearl City Classic | C | 29-Apr-2018 | $68 |
| 15 | 195.00 | The Greater Milwaukee Open - Pro & Adv | B | 06-May-2018 | $60 |
| 11 | 42.50 | Iron Lion's Mulligan Monday League | L | 07-May to 11-Jun-2018 | |
| 34 | 230.00 | Clash at the Canyons - MPO, MP40, MP50, MA1, FPO | A | 12-May to 13-May-2018 | |
| 7 | 140.00 | Legion of Doom 2018 | C | 19-May to 20-May-2018 | $168 |
| 9 | 75.00 | Southeast Minnesota Showdown presented by Hot Chip Burger Bar | B | 27-May-2018 | |
| 4 | 10.00 | Good Neighbor Days Tournament | C | 02-Jun-2018 | |
| 1 | 40.00 | Dewitt! | C | 03-Jun-2018 | $151 |
| 1 | 75.00 | 2018 Forsyth Decatur Open | B | 09-Jun to 10-Jun-2018 | $620 |
| 7 | 105.00 | Riverfest 6.0 presented by Discraft-Iowa Cup #9 $1000!! | B | 17-Jun-2018 | $90 |
| 6 | 157.50 | IOS #91 Sinnissippi Open Sponsored by Air Play Sports & Espresso - MPO/MA2/MA4/FA2/FA4 | B | 23-Jun-2018 | $82 |
| 12 | 225.00 | 36th Illinois State Disc Golf Championships - Pro/Adv | B | 30-Jun-2018 | $67 |
| 9 | 45.00 | Iron Lion's Mulligan Monday League | L | 02-Jul to 06-Aug-2018 | |
| 4 | 30.00 | Weekend at the Rez - Peninsula Park | C | 07-Jul-2018 | $45 |
| 6 | 35.00 | Bringing Back Baker | C | 08-Jul-2018 | |
| 3 | 52.50 | Peoria Frisbee Club's Greater Peoria Open 2018 | B | 15-Jul-2018 | $165 |
| 1 | 50.00 | 12th Annual Iron Lion Open | C | 22-Jul-2018 | $225 |
| 15 | 45.00 | IOS #92 Squaw Creek Showdown Sponsored by Discontinuum - MPO/MA2/MA4/FA2/FA4 | B | 28-Jul-2018 | |
| 37 | 80.00 | Titan Open presented by Discraft | A | 04-Aug to 05-Aug-2018 | |
| 3 | 97.50 | East Lake Oakland Mills Challenge | B | 18-Aug-2018 | $146 |
| 2 | 45.00 | Battle of Credit Island | C | 19-Aug-2018 | $165 |
| 8 | 142.50 | 9th Annual Monroy X Gowens Memorial Open - Pro/Adv driven by Innova Discs | B | 25-Aug-2018 | $100 |
| 4 | 20.00 | Deerwood! | C | 02-Sep-2018 | |
| 5 | 40.00 | Middletown Massacre 2018 | C | 16-Sep-2018 | $65 |
| 4 | 75.00 | The Pekin City Championships | B | 13-Oct-2018 | $140 |
| 9 | 35.00 | Iron Lion's Running with the Devil | C | 20-Oct-2018 | |
| 6 | 37.50 | Northwood Gold Worlds Preview | B | 27-Oct-2018 | |
| 4 | 45.00 | Don Crane Memorial Huck Finn Open | B | 03-Nov-2018 | $101 |
| 9 | 20.00 | LAST CALL presented by ProFlight Eastern Iowa | C | 17-Nov-2018 | |
| 6 | 172.50 | The Iowa Cup Finals presented by Kronk Disc Golf | B | 18-Nov-2018 | $125 |