| 05/29/1966 | | DC Area Bests |
| 05/28/1966 | | IC4A Championship |
| 05/21/1966 | | MD State Champions |
| 05/21/1966 | | DC AAU Championship |
| 05/21/1966 | | IAC Championship |
| 05/21/1966 | | MD Class AA State Championship |
| 05/21/1966 | | MD Class A State Championship |
| 05/21/1966 | | VA I-A State Championship |
| 05/19/1966 | | Interhigh Championship |
| 05/17/1966 | | Good Counsel, Sherwood |
| 05/17/1966 | | SF, Landon, GP |
| 05/14/1966 | | VA 1-B Northwestern District |
| 05/14/1966 | | Mason-Dixon Championship |
| 05/14/1966 | | Catholic League Invitational |
| 05/14/1966 | | Northern Virginia Regional |
| 05/14/1966 | | MD Class A District 2 |
| 05/13/1966 | | St. Albans, Landon |
| 05/13/1966 | | Roosevelt, Coolidge |
| 05/13/1966 | | MD Class AA District |
| 05/13/1966 | | Montgomery Co. AA District |
| 05/12/1966 | | Wilson, Ballou |
| 05/09/1966 | | Catholic, Loyola |
| 05/09/1966 | | Towson, Gallaudet |
| 05/07/1966 | | American U HS Invitational |
| 05/07/1966 | | Quantico Relays |
| 05/07/1966 | | Tri-State JuCo Championship |
| 05/06/1966 | | Montgomery Co. ABC Champs |
| 05/03/1966 | | WJ, Whitman, Einstein |
| 05/03/1966 | | Suitland, Northwestern |
| 05/03/1966 | | Crossland, High Point |
| 05/03/1966 | | Bladensburg, Bowie |
| 05/03/1966 | | B-CC, Wheaton, Blair |
| 04/30/1966 | | Penn Relays |
| 04/30/1966 | | Cronly Invitational |
| 04/29/1966 | | Northwestern, Bladensburg, HP |
| 04/26/1966 | | Crossland, Wheaton |
| 04/26/1966 | | DuVal, Bladensburg |
| 04/26/1966 | | Gonzaga, McNamara |
| 04/26/1966 | | Peary, Damascus, Poolesville |
| 04/26/1966 | | Springbrook, RM |
| 04/26/1966 | | Spingarn, McKinley |
| 04/23/1966 | | Episcopal, Yorktown |
| 04/23/1966 | | Hammond Invitational |
| 04/23/1966 | | Mason-Dixon Relays |
| 04/23/1966 | | Maryland at Navy |
| 04/23/1966 | | North Carolina, Virginia |
| 04/23/1966 | | W&M, Quantico |
| 04/23/1966 | | Delaware, American |
| 04/23/1966 | | Montgomery College, Frostburg |
| 04/21/1966 | | Coolidge, Ballou |
| 04/20/1966 | | American, Catholic |
| 04/20/1966 | | Falls Church, Jefferson |
| 04/20/1966 | | Landon, St. Stephens, GC |
| 04/19/1966 | | Suitland, Central |
| 04/19/1966 | | Woodson, Jefferson |
| 04/19/1966 | | WJ, Gaithersburg, Northwood |
| 04/19/1966 | | Randolph-Macon, Einstein |
| 04/19/1966 | | Springbrook, B-CC |
| 04/19/1966 | | Oxon Hill, Bladensburg |
| 04/19/1966 | | DuVal, Northwestern, HP |
| 04/16/1966 | | Westchester at American |
| 04/16/1966 | | Mount St. Mary's, Catholic |
| 04/16/1966 | | Navy, St. John's |
| 04/16/1966 | | St. John's Relays |
| 04/15/1966 | | Laurel, Douglass |
| 04/15/1966 | | Crossland, Central |
| 04/15/1966 | | DuVal, Suitland, HP |
| 04/15/1966 | | McLean, Marshall |
| 04/15/1966 | | Maryland, MC |
| 04/15/1966 | | Falls Church, Fairfax |
| 04/14/1966 | | Episcopal, GW, TC Williams |
| 04/09/1966 | | Episcopal, St. Stephen's |
| 04/09/1966 | | Alexandria Relays |
| 04/06/1966 | | Towson, Catholic |
| 04/06/1966 | | Peary, Sherwood |
| 04/06/1966 | | Carroll, St. Albans |
| 04/06/1966 | | Montgomery AA Relays |
| 04/06/1966 | | Interhigh Relay Championship |
| 04/05/1966 | | Central, Bowie |
| 04/05/1966 | | MC, Catonsville, Essex |
| 04/05/1966 | | Mount St. Mary's, Gallaudet |
| 04/02/1966 | | Fairfax County Relays |
| 04/02/1966 | | American Relays |
| 04/02/1966 | | Catholic University Invitational |
| 04/01/1966 | | Crossland, Baltimore Poly |
| 04/01/1966 | | Suitland, Oxon Hill |
| 04/01/1966 | | High Point, Central |
| 03/30/1966 | | Gallaudet at American |
| 03/26/1966 | | Haringer Relays |
| 03/26/1966 | | Mount St. Mary's at American |
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