Completed Edition

1966 U.S. Open

U.S. Open June 16–June 20, 1966

Results

Published results

Recorded score

Decided by playoff.

Sources and record notes

The 1966 edition was won by Billy Casper. Verified venue assignments are published in this record.

2026 USGA Championships Media Guide - U.S. Open
- 1966 U.S. Open · Championship identity
  The official 2026 USGA Championship Record Book directly enumerates the completed 1966 Championship, champion, explicit date span, and site in Championship Results: 1895 to 2025. The recorded champion and site preserve the higher-resolution register text. The current official U.S. Open Champions table independently confirms the year, champion, and site.
  Verified 2026-08-20
USGA: 2021 U.S. Women’s Open Fact Sheet
- Lake Course
  USGA identifies the Olympic Lake Course as this championship venue.
  Verified 2026-11-12
USGA official U.S. Open result
- Billy Casper
  The official result names the champion and regulation total. Historical playoff status is corroborated by tied regulation totals and extra scores for both winner and runner-up. The 2026 report establishes a one-stroke win on the 72nd hole. Relative score is retained only where explicitly stated.
  Verified 2026-09-10
USGA: 2026 U.S. Open Record Book
- Arnold Palmer
  PDF page 8, 1966 result: Arnold Palmer, regulation total 278 (-2 to par). Playoff scores 73 are separate from the regulation total. The official playoff table on PDF page 10 identifies the winner and runners-up.
  Verified 2026-10-23