Coolidge National Tournament Series
2025-2026 Calendar
| Name | Location | Date(s) | Events | Reg Opens | Reg Ends | TZ |
|---|---|---|---|---|---|---|
| Coolidge Cup | Plymouth Notch, VT | Wed Jul 2–4 | DEB, DEC | May 1 | Jul 2 | EST |
| Coolidge League at the Luddy Schools 1 | Flowers Plantation, NC | Sat Sep 6 | MS, NOV, VAR | Aug 1 | Sep 2 | EST |
| Coolidge New York Open | The Bronx, NY | Sat Oct 11 | VAR, NOV, MS | Aug 1 | Oct 7 | EST |
| Coolidge Illinois Open | Des Plaines, IL | Sat Oct 18 | NOVMS, VAR | Aug 1 | Oct 14 | EST |
| Coolidge League at the Luddy Schools 2 | Apex, NC | Sat Nov 8 | MS, NOV, VAR | Aug 1 | Nov 4 | EST |
| Coolidge Presidents Cup | Washington, DC | Sat Nov 15–16 | OPEN | Aug 1 | Nov 4 | EST |
| Coolidge Connecticut Open at Yale | New Haven, CT | Sat Dec 6 | MS, NOV, VAR | Aug 1 | Dec 2 | EST |
| Coolidge Winter Online Open | NSDA Campus | Sat Dec 13 | MS, NOV, VAR | Aug 1 | Dec 9 | EST |
| Coolidge Arkansas Open | Rogers, AR | Sat Feb 14 | MS, NOV, VAR | Aug 1 | Feb 5 | CST |
| Coolidge Texas Open at SMU | Dallas, TX | Sat Mar 14 | MS, NOV, VAR | Aug 1 | Mar 5 | CST |
| Coolidge Spring Online Open | NSDA Campus | Sat Mar 21 | MS, NOV, VAR | Aug 1 | Mar 12 | EST |
| Coolidge North Carolina Open | Chapel Hill, NC | Sat Apr 25 | MS, NOV, VAR | Aug 1 | Apr 16 | EST |