Open
Oklahoma Stroke PlayOklahoma Stroke Play Championship
Shawnee Country Club • Shawnee, OK
Jun 22 — 24, 2026Men
2025: C.J. Phillips won at -10
Open
Oklahoma OpenOklahoma Open Championship
Oak Tree Country Club - East Course • Edmond, OK
Aug 19 — 21, 2026Men
2025: John Sand won at -14
Open
OGA Tour ChampionshipOregon Tour Championship
Black Butte Ranch Golf Club - Glaze Meadow • Sisters, OR
Oct 17 — 18, 2026Senior • Men
2024: Vance Lynch won at -1
OpenFour-Ball
Oklahoma Seniors Four-BallOklahoma Senior Golf Association Four-Ball
Oakwood Country Club • Enid, OK
Jul 19 — 20, 2026Senior • Men
Open
Oklahoma Mid-AmateurOklahoma Mid-Amateur Championship
Battle Creek Golf Course • Broken Arrow, OK
Jul 12 — 14, 2026Mid-Am • Men
2025: Heath Myers won at -5
Open
Oklahoma Seniors Fall Golf OutingOklahoma Senior Golf Association Fall Golf Outing
Meadowbrook Country Club • Tulsa, OK
Oct 18 — 19, 2026Senior • Men
Open
Oregon Team ChampionshipOregon Men's Team Championship
Heron Lakes Golf Course - Great Blue Course • Portland, OR
Oct 3 — 4, 2026Men
2025: Ray Richards won at -5
Open
Oklahoma Senior Fall Medal PlayOklahoma Senior Golf Association Fall Medal Play
Muskogee Country Club • Muskogee, OK
Sep 14 — 15, 2026Super-Senior • Men
OpenFour-Ball
Oklahoma Women's PartnershipOklahoma Women's Four-Ball Partnership
Shangri-La Golf Club • Monkey Island, OK
Aug 17 — 18, 2026Women
Open
Senior Oregon Open InvitationalSenior Oregon Open Invitational Golf Tournament
Wildhorse Resort & Casino • Pendleton, OR
Jul 27 — 29, 2026Senior • Men
Open
Oklahoma Senior Stroke PlayOklahoma Senior Stroke Play Championship
Stillwater Country Club • Stillwater, OK
Aug 24 — 25, 2026Super-Senior • Men
2025: Kirk Maynord won at -2
Open
Oklahoma Women's Stroke PlayOklahoma Women's Stroke Play Championship
Battle Creek Golf Course • Broken Arrow, OK
Jul 13 — 14, 2026Mid-Am • Women
2025: Brooklyn Benn won at E
Open
Oregon Stroke PlayOregon Men's Stroke Play Championship
Emerald Valley Golf Club • Creswell, OR
Jul 31 — Aug 2, 2026Senior • Men
2025: Collin Hodgkinson won at -13
Oklahoma State Amateur
Oklahoma State Amateur Championship
Oklahoma City Golf & Country Club • Oklahoma City, OK
Jul 27 — 30, 2026Men
2025: William McDonald won at -5
OpenMatch Play
Oregon Coast InvitationalOregon Coast Invitational Match Play Championship
Astoria Golf and Country Club • Warrenton, OR
Jul 17 — 24, 2026Super-Senior • Mixed
Open
Oregon Senior AmateurOregon Senior Amateur Championship
Oswego Lake Country Club • Lake Oswego, OR
Sep 1 — 4, 2026Senior • Mixed
2024: Russell Humphrey won at -3
Oregon Amateur
Oregon Amateur Championship
Riverside Golf and Country Club • Portland, OR
Jun 21 — 26, 2026Men • Mixed
2025: Zach Foushee won at -8
Open
Oklahoma Women's AmateurWomen's Oklahoma State Amateur Championship
Oakwood Country Club • Enid, OK
Jun 22 — 26, 2026Women
2025: Lisa Herman won at -4
Open
Oklahoma Senior AmateurOklahoma Senior Amateur Championship
Twin Hills Golf and Country Club • Oklahoma City, OK
Aug 9 — 12, 2026Senior • Men
2025: Mike Gotcher won at -1