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Mr California 1966

Mr California 1966 was held in Los Angeles, CA, USA. The Men's Open Bodybuilding title went to Ron Margason.

Year
1966
Federation
AAU
Divisions
4
Competitors
9

Results by Division

All Contests

Mr California 1966 Results

Ron Margason Champion

1966 Los Angeles, CA, USA

Mr California 1966 was held in Los Angeles, CA, USA. The Men's Open Bodybuilding title went to Ron Margason.

Medium confidence Historical/community source Updated September 2, 2026 Accurate?

Defending Medium champion Alex Delianedis, who won in 1965, did not return.

About this show

The Mr California 1966 was held in Los Angeles, CA, USA. 4 divisions were judged, across Men's Open Bodybuilding, Men's Open Bodybuilding - Teen and Women's Bodybuilding - Teen. 9 athletes competed.

Men's Open Bodybuilding

Only the winner of this division was recorded by the source. The full placings are not in the database.

Place Athlete Country
1st Ron Margason Title defense, 2nd win here United States

Official scores are unavailable.

Men's Open Bodybuilding

Place Athlete Country
1st Ralph Kroger First recorded win United States
2nd Gable Boudreaux United States
3rd Von LaMon United States
4th Ron Margason United States
5th Robert Steele United States

Official scores are unavailable.

Men's Open Bodybuilding - Teen

Place Athlete Country
1st Michael Dayton First recorded win United States
3rd D'Royce Peterson United States
4th David Friedman United States

Official scores are unavailable.

Women's Bodybuilding - Teen

Only the winner of this division was recorded by the source. The full placings are not in the database.

Place Athlete Country
2nd Randy Taylor United States

Official scores are unavailable.

Complete Results updated April 3, 2026 Source: MuscleMemory

This edition in context

Competitors
9
Divisions
4
Size rank
14 of 40

The biggest field since 1955.

Past winners of this event

What this page holds

The placings as recorded, and nothing past them

This page lists the divisions and finishing order held for this contest, with the source named on it wherever one was recorded. It reports what was published. It does not re-judge the show, and it does not reconcile disagreements between sources.

  • Score and bodyweight columns appear only for divisions where those figures exist in the data. A division without them was recorded as placings only, not as a show that gave no scores.
  • Where the record has two athletes sharing a place, both are listed. A tie is never broken to produce a single winner.
  • Venue, federation and competitor count show only when the source supplied them. A field left out means nothing was sourced for it, never a zero.
  • A date shows only where the source recorded the day of the show. Most historical listings give a year or a month and nothing finer, so those editions are dated by year alone rather than by a day we would have had to invent.
  • A contest with no results has either not taken place yet or has no placements published. Check the status line above the results to tell which.