| Sat, Sep 8 | 2012 Sehome Invitational | Civic Stadium | Bellingham, WA | 10:00 AM | | |
| Thu, Sep 13 | Marysville-Pilchuck, Monroe@Snohomish | Snohomish Golf Course | Snohomish, WA | | | |
| Sat, Sep 15 | South Whidbey Invitational | South Whidbey HS | Langley, WA | 10:35 AM | | |
| Thu, Sep 20 | Marysville-Pilchuck & Lake Stevens @ Lynnwood | Martha Lake Airport Park | Lynnwood, WA | 3:45 PM | | |
| Thu, Sep 27 | Arlington, Everett, Marysville Pilchuck @ River Meadow | River Meadows Park | Arlington, WA | 3:45 PM | | |
| Sat, Sep 29 | 6th Annual Twilight XC Invitational | Cedarcrest Golf Course | Marysville, WA | 3:15 PM | | |
| Thu, Oct 4 | Marysville-Pilchuck, Glacier Peak, Mariner | Marysville-Pilchuck HS | Marysville, WA | 3:45 PM | | |
| Sat, Oct 6 | HOLE IN THE WALL INVITATIONAL | Lakewood HS | Lakewood, WA | | | |
| Thu, Oct 18 | Wesco 3A/4A XC Championships | Cedarcrest Golf Course | Marysville, WA | 1:30 PM | | |
| Sat, Oct 27 | District 1 2A/3A/4A XC Championships | Lakewood HS | Lakewood, WA | 11:00 AM | | |
| Sat, Nov 3 | WIAA 3A State Championships | Sun Willows Golf Course | Pasco, WA | | | |
