Open
Sioux City AmateurSioux City Men's Amateur Championship
Green Valley Golf Club • Sioux City, IA
Aug 8 — 9, 2026Senior • Men
Past Champions & Results
8 years on record · 2018–20252025 Champion
Cody Banach
-2367-64-62 (193)
Runner-upZachary Robbins · 194
2025 Results
WinnerCody Banach67-64-62 (193)
See the full 2025 leaderboard — all 75 players.
Members get complete historical leaderboards for every year of Waterloo Open Championship on record — scores, positions, and hometowns going back decades.
About the tournament
Established in 1933, the Cedar Valley Jaycees’
Greater Waterloo Open Golf Classic is Iowa’s largest
and oldest
professional golf tournament. Every year, the
Waterloo Open hosts nearly 400 amateur and
professional golfers
from all across the world.
The Amateur Tournament has a capacity of 288 competitors. There is an Open Division and a Senior Division. A Senior competitor may compete in both divisions if they desire. The format consists of 18 holes of medal play on both Friday and Saturday. Golfers making the cut advance to the Championship Round on Sunday.
The low 36 rounds plus ties from the Open Amateur Division and the low four rounds plus ties from the Senior Amateur Division qualify for the championship round, which is played with the Professionals on Sunday at Irv Warren Memorial Golf Course. Those who make the cut automatically receive a gift certificate prize, and additional prizes are awarded based on final results after Sunday’s championship round.
The Amateur Tournament has a capacity of 288 competitors. There is an Open Division and a Senior Division. A Senior competitor may compete in both divisions if they desire. The format consists of 18 holes of medal play on both Friday and Saturday. Golfers making the cut advance to the Championship Round on Sunday.
The low 36 rounds plus ties from the Open Amateur Division and the low four rounds plus ties from the Senior Amateur Division qualify for the championship round, which is played with the Professionals on Sunday at Irv Warren Memorial Golf Course. Those who make the cut automatically receive a gift certificate prize, and additional prizes are awarded based on final results after Sunday’s championship round.
Tournament Facts
FormatStroke Play
DivisionsSeniorMen
Holes543 rounds
Organizer contact
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