| DAY/DATE | TIME(S) | EVENT | SITE |
|---|---|---|---|
| Monday, January 12, 2026 | OSAA Online registration opens | www.arbitersports.com | |
| Sunday, January 18 | 11:30 am | “Train the Trainer” | Round Table Pizza 6250 SE Foster Rd., Portland |
| Wednesday, January 28 | 6:30-8:30 pm | General Membership Mtg | Cleveland HS (cafeteria downstairs) |
| Tuesday, February 3 | 6:30-8:30 pm | Veteran’s #1 (session #1) | ZOOM |
| Wednesday, February 4 | 6:30-8:30 pm | Rookies (session #1) | ZOOM |
| Thursday, February 5 | 6:30-8:30 pm | Veteran’s #2 (session #1) | ZOOM |
| Tuesday, February 10 | 6:30-8:30 pm | Veteran’s #1 (session #2) | ZOOM |
| Wednesday, February 11 | 6:30-8:30 pm | Rookies (session #2) | ZOOM |
| Thursday, February 12 | 6:30-8:30 pm | Veteran’s #2 (session #2) | ZOOM |
| Tuesday, February 17 | 6:30-8:30 pm | Veteran’s #1 (session #3) | ZOOM |
| Wednesday, February 18 | 6:30-8:30 pm | Rookies (session #3) | ZOOM |
| Thursday, February 19 | 6:30-8:30 pm | Veteran’s #2 (session #3) | ZOOM |
| Saturday, February 21 | 9 am-5 pm | Two-Umpire Mechanics Clinic | Jesuit HS (SB field) |
| Tuesday, February 24 | 6:30-8:30 pm | Veteran’s #1 (session #4) | ZOOM |
| Wednesday, February 25 | 6:30-8:30 pm | Rookies (session #4) | ZOOM |
| Thursday, February 26 | 6:30-8:30 pm | Veteran’s #2 (session #4) | ZOOM |
| Tuesday, March 3 | 6:30-8:30 pm | Veteran’s #1 (session #5) | ZOOM |
| Wednesday, March 4 | 6:30-8:30 pm | Rookies (session #5) | ZOOM |
| Thursday, March 5 | 6:30-8:30 pm | Veteran’s #2 (session #5) | ZOOM |
| Wednesday, March 11 | 6:30-8:30 pm | General Membership Mtg | Cleveland HS |
| Monday, March 16 | Season starts | ||
| tbd | 9 am-1 pm | Three-Umpire Mechanics Clinic | Rosemont Ridge MS |
| Saturday, May 3 | 8:30 am-3:30 pm | OCEP SB Certification Clinic | Stayton HS |
| Monday, May 25 | 6A, 3A & 2A/1A First Round Playoffs | ||
| Tuesday, May 26 | 5A & 4A First Round Playoffs | ||
| Wednesday, May 27 | 6A, 3A & 2A/1A Second Round Playoffs | ||
| Friday, May 29 | All Quarter-Finals Playoffs | ||
| Tuesday, June 2 | All Semi-Final Playoffs | ||
| Thursday, June 4 | 6-9 pm | End of Season Banquet | Colwood Golf Course |
| Friday, June 5 | 3A & 2A/1A Finals | Jane Sanders Stadium, Univ. of Oregon — Eugene | |
| Saturday, June 6 | 6A, 5A & 4A Finals | Jane Sanders Stadium, Univ. of Oregon — Eugene |
| SITE | ADDRESS & LINK |
| Colwood Golf Course | 7313 NE Columbia Blvd. Portland 97218-3709 |
| Cleveland HS (cafeteria — downstairs) | 3400 SE 26th Ave Portland 97202 |
| Jane Sanders Stadium | University of Oregon, Eugene |
| Jesuit HS (softball field — east end of school) | 8501 SW Apple Way Beaverton 97725 |
| Mountainside HS | 12500 SW 175th St. Beaverton 97007 |
| Rosemont Ridge MS (softball fields) | 20001 Salamo Rd. West Linn 97068 |
| Stayton HS | 757 W. Locust St. Stayton 27383 Contact Nick Bielenberg oregontreeguy@yahoo.com 503-428-0066 |
| Willamette HS | 1801 Echo Hollow Rd. Eugene 97402 |