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Mark Diamond is a Men's Open Bodybuilding competitor from the United States.

1 career win

Mark Diamond

GenderMale
StatusRetired
Medium confidence 5 recorded results, Historical/community source Updated July 10, 2026 Accurate?

Mark Diamond is a Men's Open Bodybuilding competitor from the United States with a competitive record spanning 1982–1989.

Across 5 recorded contest results, Mark Diamond has 1 first-place finish (a 20% win rate).

Win rate here is first-place finishes as a share of all 5 recorded contest results. It is published only where a career holds at least five, because below that a single placing moves the figure by twenty points or more.

Missing from this profile

No height, weight or birthdate on record.

Career Record

Total Results
5
Wins
1
Win Rate
20%
Career
1982–1989
Country
United States
Verified
Sources
2

Every season on record

1982 to 1989 shown · 5 results on record
1982
1988
1989
Olympia 1st place 2nd place 3rd place Other
Pro Debut
1982
First Win
1988
Last Contest
1989

All results

Every contest result on record for Mark Diamond, 5 in all. Won by names the winner of the division Mark Diamond competed in, and shows a dash where that winner cannot be pinned to one person in the database.

YearContestDivisionPlaceWon by
1989 North American Championships Men's Open Bodybuilding #9 Johnnie Morant
1988 Junior Nationals Men's Open Bodybuilding #1 Winner
1988 Nationals Men's Open Bodybuilding #6 Johnnie Ray Kinsey
1988 USA Championships Men's Open Bodybuilding #7 John Defendis
1982 USA Championships Men's Open Bodybuilding #13 Jon Jordan

Where these results come from. Each contest in the table was recorded from a named source, and for Mark Diamond that source is MuscleMemory. Open any contest above and that page names its own source and links to it where the source is still reachable. That archive no longer answers at the addresses we hold, so it is credited by name here and not offered as a link.

Only 2 head-to-head meetings on record so far, with Johnnie Morant ahead 2 to 0 - too thin to call a rivalry yet.

Opponents are ranked by how often they shared a stage and how big the stage was, not by reputation. A meeting is one contest where both competed in the same division and both were placed.