Note: The National Federation of State High School Association often approves events which are not approved by CIAC so please go by the list of approved activities for CIAC member schools only.
| 09-19-09 | CT | Boys & Girls Cross Country | Hartford Riverfront Cross Country Festival | |
| 09-19-09 | VA | Boys & Girls Cross Country | Brentsville | |
| 09-26-09 | RI | Boys & Girls Cross Country | New Balance Ocean State Cross Country Invitational | |
| 09-26-09 | NY | Boys & Girls Cross Country | 3rd Bowdoin Park Cross Country Classic | |
| 09-26-09 | NH | Boys & Girls Cross Country | Manchester Invitational | |
| 09-26-09 | VA | Boys & Girls Cross Country | U.S. Army X-Country Festival at Marymont | |
| 10-02-09 | PA | Boys & Girls Cross Country | Paul Short Cross Country Run | |
| 10-03-09 | NY | Boys & Girls Cross Country | McQuaid Invitational | |
| 10-03-09 | VT | Boys & Girls Cross Country | Woods Trail Run | |
| 10-03-09 | NY | Boys & Girls Cross Country | St. Anthonu's HS Cross Country Invitational | |
| 10-09-09 | FL | Boys & Girls Cross Country | Walt Disney World Cross Country Classic | Also 10-10-09 |
| 10-10-09 | CT | Boys & Girls Cross Country | Wickham Park Invitational Cross Country Meet | |
| 10-10-09 | NY | Boys & Girls Cross Country | Manhattan Cross Country Invitational | |
| 10-17-09 | RI | Boys & Girls Cross Country | Brown University Northeast CC Championship | |
| 12-19-09 | CT | Wrestling | Lancer Invitational | |
| 12-19-09 | NY | Boys & Girls Indoor Track | Bishop Loughlin Games | |
| 12-20-09 | CT | Boys Wrestling | Bristol Central Wrestling Invitational | |
| 12-28-09 | FL | Girls Basketball | KSA Holiday Girls Basketball Pink Bracket | Also 12-29-09 and 12-30-09 |
| 12-28-09 | ME | Boys Ice Hockey | Maine High School Hockey Invitational | Also 12-29-09 and 12-30-09 |
| 12-28-09 | MA | Boys & Girls Indoor Track & Field | MSTCA Boston Holiday Track & Field Invitational | |
| 12-29-09 | VT | Girls Basketball | Bellows Falls Booster Club Tournament | Also 12-30-2009 |
| 12-30-09 | RI | Boys & Girls Indoor Track & Field | Rhode Island Classic | |
| 01-02-10 | CT | Wrestling | SHS Blue Knights Duals | |
| 01-08-10 | NY | Boys Wrestling | Eastern States Classic | Also 01-09-09 |
| 01-15-10 | CT | Boys & Girls Indoor Track & Field | Yale Track Classic | Also 01-16-10 |
| 01-15-10 | MA | Boys & Girls Basketball | Hoophall Classic | Also 01-16-2010 and 01-18-2010 only |
| 01-16-10 | VT | Wrestling | Mt. Anthony Wrestling Invitational | |
| 01-22-10 | VT | Wrestling | Essex High School Michael J. Baker Wrestling Classic | Also 01-23-10 |
| 01-23-10 | NY | Boys Swimming & Diving | Eastern States LI Invitational Swim Championships | |
| 01-23-10 | NH | Boys Wrestling | Timberlane Wrestling Invitational | |
| 01-23-10 | NY | Boys & Girls Indoor Track | New Balance Games | |
| 01-29-10 | VA | Boys & Girls Indoor Track & Field | Virginia Tech. High School Invitational | Also 01-30-10 |
| 02-15-10 | FL | Girls Softball | Disney's 2010 Softball Spring Training | End Date 04-26-10 |
| 02-15-10 | FL | Boys Baseball | Disney's 2010 Baseball Spring Training | End Date 04-26-10 |
| 03-05-10 | NH | Boys Wrestling | New England High School Wrestling Championship | Also 03-06-10 |
| 03-05-10 | NH | Boys & Girls Indoor Track & Field | New England High School Indoor Track Championship | |
| 03-13-10 | NH | Girls Gymnastics | New England High School Gymnastics Championship | |
| 04-16-10 | TN | Boys & Girls Outdoor Track | Volunteer Track Classic | Also 04-17-10 |
| 04-16-10 | CA | Boys & Girls Outdoor Track & Field | Walnut HS/Mt SAC Relays | Also 04-17-10 |
| 04-17-10 | NY | Boys & Girls Outdoor Track & Field | Tri-Valley Track & Field Invitational | |
| 05-06-10 | NY | Boys & Girls Outdoor Track & Field | Glenn D. Loucks Games | Also 05-07-10 and 05-08-10 |
| 05-08-10 | CT | Boys & Girls Track & Field | Hartford Public High School Invitation Track & Field Meet | |
| 06-12-10 | NH | Boys & Girls Outdoor Track Field | New England High School Outdoor Track & Field Championship | |
| 06-21-10 | NH | Boys & Girls Golf | New England High School Golf Championship | |