Completed Edition

2003 U.S. Amateur

U.S. Amateur August 18–August 24, 2003

Results

Published results

Recorded score

Decided by playoff.

Sources and record notes

The 2003 edition was won by Nick Flanagan. Verified venue assignments are published in this record.

USGA: 2024 U.S. Amateur Record Book
- 2003 U.S. Amateur · Championship identity
  Printed/PDF page 10, 2003 result row. Nick Flanagan d. Casey Wittenberg, 37 holes. Match margins and extra-hole lengths are not stroke totals. Actual dates from the retrospective result table.
  Verified 2026-10-22
- Pittsburgh Field Club
  Printed/PDF page 12, 2003 stroke-play co-host row: Pittsburgh F.C., Blawnok, Pa.. Club identity matched to Pittsburgh Field Club, Pittsburgh, PA. Exact physical course remains unassigned; no sole-course or current-layout inference. This is championship stroke play leading into match play, not a separate local or sectional qualifying event.
  Verified 2026-10-22
- Nick Flanagan · Casey Wittenberg
  Printed/PDF page 10, 2003 result row. Nick Flanagan d. Casey Wittenberg, 37 holes. Match margins and extra-hole lengths are not stroke totals.
  Verified 2026-10-22
USGA: Championship Years and Winners at Oakmont
- Oakmont Country Club
  Primary source identifies the 2003 U.S. Amateur at Oakmont and its champion. This record does not claim that all qualifying or stroke-play rounds occurred at Oakmont.
  Verified 2026-10-22