| 2008 |
| Classic Champs | August 4-10 | Laramie Daze including 2 A days, Laramie WY  Classic Champs | sanctioned A meet |
| North American Champs | September 26-28 | CNYO: A event sprint, middle, classic; Central NY venues  North American Champs | sanctioned A meet |
| Long Champs | April 4-6 | OCIN: Flying Pig XII, Hamilton/Amelia, OH  Long Champs | sanctioned A meet |
| Middle Champs | April 19-20 | ROC: A Meet; Rochester/Danville NY  Middle Champs | sanctioned A meet |
| Sprint Champs | April 4-6 | OCIN: Flying Pig XII, Hamilton/Amelia, OH  Sprint Champs | A meet/WRE |
| Relay Champs | April 19-20 | ROC: A Meet; Rochester/Danville NY  Relay Champs | sanctioned A meet |
| Interscholastics | February 15-17 | NTOA: 2 day classic + sprint, Athens, TX  Interscholastics | sanctioned A meet |
| Intercollegiates | February 23-24 | TSN: Western States and Intercollegiate Champs, Kentucky Camp/Greaterville, AZ  Intercollegiates | sanctioned A meet |
| Night-O Champs |   | OPEN |   |
| NA Rogaine Champs |   | OPEN |   |
| US Rogaine Champs | June 14-15 | ROC/BFLO: Allegany State Park Rogaine, NY  US Rogaine Champs | sanctioned A meet |
| Ski-O Champs |   | OPEN |   |
| Trail-O Champs | November 14-16 | BAOC: O in the Oaks V (SML A event), Joe Grant Park, near San Jose, CA  Trail-O Champs | sanctioned A meet |
| Team Trials | May 24-26 | DVOA: Team Trials, Bethlehem/White Haven, PA  Team Trials | A meet/WRE |
| 2009 |
| Classic Champs |   | OPEN |   |
| North American Champs |   | N/A |   |
| Long Champs |   | OPEN |   |
| Middle Champs | June 27-28 | Cascade OC: A meet, new map at Salmon La Sac, near Cle Elum, WA  ??? Middle Champs ??? | Eric Bone |
| Sprint Champs |   | OPEN |   |
| Relay Champs |   | OPEN |   |
| Interscholastics | April 18-19 | USMAOC: Sprint/Middle/Long A event. West Point NY  Interscholastics | sanctioned A meet |
| Intercollegiates | March 27-29 | QOC: Ran-it Granite: Sprint/Middle/Long + Sprint Relay, Granite, MD  ??? Intercollegiates ??? | Ted Good |
| Night-O Champs |   | OPEN |   |
| NA Rogaine Champs |   | OPEN |   |
| US Rogaine Champs |   | OPEN |   |
| Ski-O Champs |   | OPEN |   |
| Trail-O Champs |   | OPEN |   |
| Team Trials | May 1-3 | BAOC: /Team Trials (Sprint/Middle/Long), Spring Lake/Boggs Mtn., Cobb CA  Team Trials | sanctioned A meet |