| Aug. 17 – 24 | Preseason Camp – required for all members | Marching Illini Practice Field | 9AM – 9:30PM | n/a |
| Aug. 21 | Sights and Sounds | Memorial Stadium | 7:00 PM | n/a |
| Aug. 22 | New Student Convocation | State Farm Center | 11:00 AM | n/a |
| Aug. 24 | Media Day | Memorial Stadium | 8:00 AM | n/a |
| Aug. 24 | Quad Day | Foellinger Auditorium | 12:00 PM | n/a |
| Aug. 26 | Farm Progress Show | Decatur, Illinois | 7:30 AM | lots of media coverage |
| Aug. 30 | ILLINOIS vs Western Illinois | Memorial Stadium | TBD | TBD |
| Sept. 1 | CU Labor Day Parade | Champaign, IL | 9:30 AM | n/a |
| Sept. 6 | Stagg Jamboree | Palos Hills, IL | Evening | n/a |
| Sept. 13 | ILLINOIS vs Western Michigan | FamILLy Weekend | Memorial Stadium | TBD | TBD |
| Sept. 21 | Homecoming Kick Off | Alice Campbell Alumni Association | 10:30 AM | n/a |
| Sept. 26 | Illinois Homecoming Parade | Campus | 5:30 PM | n/a |
| Sept. 27 | ILLINOIS vs Southern California | Homecoming | Memorial Stadium | TBD | TBD |
| Sept. 28 – tentative | Marching Illini In Concert | State Farm Center | 3:00 PM | n/a |
| Oct. 11 | ILLINOIS vs Ohio State | Memorial Stadium | TBD | TBD |
| Oct. 12 – tentative | Marching Illini In Concert | State Farm Center | 3:00 PM | n/a |
| Oct. 18 | Bands of America Super Regional | St. Louis, MO | afternoon | n/a |
| Oct. 25 | Illinois Marching Band Championships | Memorial Stadium | 8:00 AM – 8:30 PM | Livestream |
| Nov. 1 | ILLINOIS vs Rutgers – DADS DAY | Memorial Stadium | TBD | TBD |
| Nov. 15 | ILLINOIS vs Maryland | Memorial Stadium | TBD | TBD |
| Nov. 29 | ILLINOIS vs Northwestern | Memorial Stadium | TBD | TBD |
| Dec. – Jan. | Post Season Bowl Travel | TBD | TBD | TBD |
| Mar. 13 – 18, 2026 | St. Patrick’s Day Parade | Dublin, Ireland | TBD | TBD |
