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John Siembida is a Men's Open Bodybuilding competitor from Canada.

1 career win

John Siembida

CountryCanada
GenderMale
StatusRetired
Medium confidence 7 recorded results, Historical/community source Updated July 10, 2026 Accurate?

John Siembida is a Men's Open Bodybuilding competitor from Canada with a competitive record spanning 1988–1997.

Across 7 recorded contest results, John Siembida has 1 first-place finish (a 14.3% win rate).

Win rate here is first-place finishes as a share of all 7 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
7
Wins
1
Win Rate
14.3%
Career
1988–1997
Country
Canada
Verified
Sources
2

Every season on record

1988 to 1997 shown · 7 results on record
1988
1989
1990
1991
1997
Olympia 1st place 2nd place 3rd place Other
Pro Debut
1988
First Win
1989
Last Contest
1997

All results

Every contest result on record for John Siembida, 7 in all. Won by names the winner of the division John Siembida competed in, and shows a dash where that winner cannot be pinned to one person in the database.

YearContestDivisionPlaceWon by
1997 Canada Pro Cup Men's Open Bodybuilding Unplaced Miloš Šarčev
1991 Niagara Falls Pro Invitational Men's Open Bodybuilding #16 Albert Beckles
1990 Niagara Falls Pro Invitational Men's Open Bodybuilding #9 Eddie Robinson
1990 Night of Champions Men's Open Bodybuilding Unplaced Mohammed Benaziza
1989 Canadian Championships Men's Open Bodybuilding #2 Joe Spinello
1989 North American Championships Men's Open Bodybuilding #1 Winner
1988 Canadian Championships Men's Open Bodybuilding #2 Les Berthelette

Where these results come from. Each contest in the table was recorded from a named source, and for John Siembida 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 Henderson Thorne 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.