| May 30-31, 2026 | 2026 Phebe Corckran King Memorial Trophy | |
| May 30-31, 2026 | 2026 ISSA Double-handed Championship (Mallory Trophy) | |
| May 17, 2026 | Spring 2026 MISSA SW Tier 3 #8 | |
| May 16-17, 2026 | 2026 ISSA National Invitational Tournament (Founders Trophy) | |
| May 16, 2026 | 2026 Illinois State Championship | |
| May 15-17, 2026 | 2026 ISSA Team Race National Championship (Baker Trophy) | |
| May 9, 2026 | Spring 2026 MISSA SW Tier 3 #7 | |
| May 9, 2026 | MISSA SW Team Race Scrimmage | |
| May 3, 2026 | Spring 2026 MISSA SW Tier 3 #6 | |
| May 2-3, 2026 | 2026 MISSA Mallory Qualifier | |
| Full Southwest Calendar & Results | ||
Final ranks resulted in Antilles High School taking the first place in the national team race championship! Second place was earned by Point Loma High School and third place went to Milton Academy.