| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Mount Rainier | 6 | 1 | 0.857 | 9 | 9 | 0.500 | |
| Mount Si | 8 | 2 | 0.800 | 19 | 7 | 0.731 | State |
| Enumclaw | 3 | 1 | 0.750 | 8 | 8 | 0.500 | |
| Tyee | 2 | 4 | 0.333 | 4 | 7 | 0.364 | |
| Tahoma | 2 | 4 | 0.333 | 5 | 9 | 0.357 | |
| Liberty (Issaquah) | 0 | 9 | 0.000 | 2 | 18 | 0.100 | |
Last Season: 1985-1986 Seamount
Next Season: 1987-1988 Seamount
1986-1987 boys Seamount | Main Page | 1986-1987 TOC
For league: 14 - 23 in non-league games
Home team wins 44.4% of league games (4 - 5)
73 games; average margin: 14.86
median margin: 13
18 games five points or less margin (including overtime games)
31 games ten points or less margin (including overtime games)
20 league games; average margin: 16.70
median margin: 14.5
4 games five points or less margin (including overtime games)
8 games ten points or less margin (including overtime games)
| 11/29/86 | Inglemoor 61, Liberty (Issaquah) 43 | Non-league |
| 12/02/86 | Gig Harbor 43, Mount Si 38 | Non-league |
| 12/02/86 | Hazen 36, Mount Rainier 19 | Non-league |
| 12/02/86 | at Liberty (Issaquah) 50, Sultan 40 | Non-league |
| 12/03/86 | Enumclaw 56, Washington 54 | Non-league |
| 12/03/86 | Lynden Christian 53, Mount Si 38 | Non-league |
| 12/03/86 | Tyee 54, West Seattle 21 | Non-league |
| 12/04/86 | Woodinville 41, at Liberty (Issaquah) 31 | Non-league |
| 12/05/86 | at Seattle Christian 58, Liberty (Issaquah) 37 | Non-league |
| 12/05/86 | Renton 64, Enumclaw 44 | Non-league |
| 12/09/86 | at Sultan 54, Liberty (Issaquah) 52 | Non-league |
| 12/09/86 | Port Angeles 49, Tyee 35 | Non-league |
| 12/09/86 | Seattle Christian 44, Mount Rainier 40 | Non-league |
| 12/09/86 | Tahoma 73, Stadium 42 | Non-league |
| 12/10/86 | at Redmond 86, Liberty (Issaquah) 32 | Non-league |
| 12/10/86 | at Mount Si 53, Meadowdale 52 | Non-league |
| 12/12/86 | Mount Si 61, Kent-Meridian 35 | Non-league |
| 12/12/86 | Rainier Beach 56, Tyee 37 | Non-league |
| 12/12/86 | Tolt 40, at Liberty (Issaquah) 28 | Non-league |
| 12/15/86 | Mount Si 59, Franklin 33 | Non-league |
| 12/15/86 | Rainier Beach 59, at Liberty (Issaquah) 25 | Non-league |
| 12/16/86 | White River 61, Enumclaw 48 | Non-league |
| 12/18/86 | at Mount Si 54, Issaquah 33 | Non-league |
| 12/19/86 | at Enumclaw 58, Liberty (Issaquah) 25 | |
| 12/19/86 | Mount Si 45, Tyee 40 | |
| 12/23/86 | Enumclaw 75, Franklin Pierce 25 | Non-league |
| 12/23/86 | Olympic 58, Mount Rainier 53 | Non-league |
| 12/29/86 | Issaquah defeated Liberty (Issaquah) | Non-league |
| 12/29/86 | at Hazen 65, Tahoma 44 | Non-league |
| 12/29/86 | White River 56, Mount Si 54 | Non-league |
| 12/30/86 | Liberty (Issaquah) 48, Tahoma 39 | Non-league |
| 01/02/87 | Enumclaw 41, Gig Harbor 34 | Non-league |
| 01/02/87 | Mount Si 50, at Inglemoor 30 | Non-league |
| 01/03/87 | Olympia 51, Enumclaw 42 | Non-league |
| 01/03/87 | Seattle Prep 38, Mount Rainier 37 | Non-league |
| 01/05/87 | Tyee 54, Stadium 34 | Non-league |
| 01/06/87 | Central Kitsap 53, Mount Rainier 46 | Non-league |
| 01/06/87 | Mount Si 57, at White River 37 | Non-league |
| 01/09/87 | Mount Si 50, Tahoma 46 | |
| 01/09/87 | Tyee 41, at Liberty (Issaquah) 15 | |
| 01/13/87 | Enumclaw 55, Mount Si 49 | |
| 01/13/87 | Mount Rainier 43, at Liberty (Issaquah) 35 | |
| 01/16/87 | Mount Si 57, Mount Rainier 43 | |
| 01/16/87 | Tahoma defeated at Liberty (Issaquah) | |
| 01/20/87 | at Mount Si 60, Liberty (Issaquah) 37 | |
| 01/20/87 | Mount Rainier 57, Tyee 41 | |
| 01/23/87 | Liberty (Issaquah) at Tyee | |
| 01/23/87 | Mount Si 54, Tahoma 47 | |
| 01/27/87 | Enumclaw 47, at Liberty (Issaquah) 34 | |
| 01/27/87 | Mount Rainier 63, Tahoma 26 | |
| 01/27/87 | Mount Si 65, Tyee 27 | |
| 01/30/87 | at Mount Rainier 55, Liberty (Issaquah) 31 | |
| 01/30/87 | Mount Si 47, Enumclaw 44 | |
| 01/30/87 | Tyee 57, Tahoma 42 | |
| 02/03/87 | Mount Rainier 46, Tyee 37 | |
| 02/03/87 | Mount Si 51, at Liberty (Issaquah) 24 | |
| 02/06/87 | at Tahoma 67, Liberty (Issaquah) 45 | |
| 02/06/87 | Mount Rainier 50, Mount Si 46 | |
| 02/07/87 | Mount Rainier 46, Enumclaw 42 | Seamount Tiebreaker (2nd/3rd) |
| 02/10/87 | at Enumclaw 53, Liberty (Issaquah) 43 | Seamount Tournament (loser out) |
| 02/10/87 | Tahoma 44, Tyee 42 | Seamount Tournament (loser out) |
| 02/11/87 | Enumclaw at Mount Rainier | Seamount Tournament |
| 02/11/87 | Tahoma at Mount Si | Seamount Tournament |
| 02/12/87 | Mount Si 38, Tahoma 26 | Seamount Tournament |
| 02/14/87 | Mount Si 46, Mount Rainier 41 | Seamount Tournament (1st/2nd) |
| 02/14/87 | Tahoma 38, Enumclaw 35 | Seamount Tournament (3rd/4th) |
| 02/20/87 | Lakeside (Seattle) 61, Enumclaw 41 | D2 AA Tournament |
| 02/20/87 | Mount Si 49, Nathan Hale 36 | D2 AA Tournament |
| 02/20/87 | Rainier Beach 72, Tahoma 60 | D2 AA Tournament |
| 02/20/87 | Mount Rainier 40, Chief Sealth 27 | D2 AA Tournament |
| 02/21/87 | Enumclaw 44, Chief Sealth 30 | D2 AA Tournament (loser out) |
| 02/21/87 | Lakeside (Seattle) 55, Mount Rainier 44 | D2 AA Tournament (winner to state) |
| 02/21/87 | Nathan Hale 53, Tahoma 52 | D2 AA Tournament (loser out) |
| 02/21/87 | Rainier Beach 57, Mount Si 51 | D2 AA Tournament (winner to state) |
| 02/24/87 | Mount Rainier 52, Nathan Hale 41 | D2 AA Tournament (loser out) |
| 02/25/87 | Mount Si 51, Enumclaw 29 | D2 AA Tournament (loser out) |
| 02/28/87 | Mount Si 49, Mount Rainier 44 | D2 AA Tournament (winner to state/loser out) |
| 03/06/87 | Sehome 53, Mount Si 45 | State AA Tournament-regional (loser out) |