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William Bonac is a Men's Open Bodybuilding competitor from Netherlands. William Bonac has a verified height of 5'7" (170 cm) and a recorded contest weight of 230 lb (104 kg).
2x Arnold Classic
William Bonac
William Bonac, a bodybuilder from the Netherlands, stands 5'7" (170 cm) tall and competes at a contest weight of around 230 lb (104 kg). He was born on May 18, 1982 and is 44 years old.
William Bonac is a Men's Open Bodybuilding competitor from Netherlands with a competitive record spanning 2008–2026.
Across 62 recorded contest results, William Bonac has 15 first-place finishes (a 24.2% win rate), including 2× Arnold Classic titles.
Career Record
- Total Results
- 62
- Wins
- 15
- Win Rate
- 24.2%
- Career
- 2008–2026
- Height
- 5'7" (170 cm)
- Weight
- 230 lb (104 kg)
- Age
- 44
- Division
- Men's Open Bodybuilding
- Country
- Netherlands
- Arnold Classic Titles
- 2
- Verified
- Sources
- 62
Every season on record
Peak Year 2014 (2 wins)
Olympia
1st place
2nd place
3rd place
Other
- Pro Debut
- 2008
- First Win
- 2009
- Olympia Debut
- 2014
- Last Contest
- 2026
| Year | Placement | Division |
|---|---|---|
| 2014 | 15 | Men's Open Bodybuilding |
| 2015 | 8 | Men's Open Bodybuilding |
| 2016 | 5 | Men's Open Bodybuilding |
| 2017 | 3 | Men's Open Bodybuilding |
| 2018 | 4 | Men's Open Bodybuilding |
| 2019 | 2 | Men's Open Bodybuilding |
| 2020 | 5 | Men's Open Bodybuilding |
| 2021 | 6 | Men's Open Bodybuilding |
| 2022 | 9 | Men's Open Bodybuilding |
| 2024 | 7 | Men's Open Bodybuilding |
| 2025 | 9 | Men's Open Bodybuilding |
Data updated
Championship record
Where the titles came from
Mr. Olympia
12Appearances
0Titles
3Top 3
Arnold Classic
13Appearances
3Titles
9Top 3
All pro shows
62Contests
15Wins
34Top 3
All results
| Year | Contest | Division | Place | Won by |
|---|---|---|---|---|
| 2026 | 2026 Empro Classic Spain Pro | Men's Open Bodybuilding | #1 | Winner |
| 2026 | 2026 FLEX Weekend Italy Pro | Men's Open Bodybuilding | #2 | Edward Kargbo |
| 2026 | 2026 France Pro | Men's Open Bodybuilding | #1 | Winner |
| 2025 | Arnold Classic | Men's Open Bodybuilding | #5 | Derek Lunsford |
| 2025 | IFBB Detroit Pro | Men's Open Bodybuilding | #1 | Winner |
| 2025 | IFBB Dubai Pro | Men's Open Bodybuilding | #2 | Behrooz Tabani |
| 2025 | IFBB New York Pro | Men's Open Bodybuilding | #2 | Nick Walker |
| 2025 | IFBB Pittsburgh Pro | Men's Open Bodybuilding | #4 | Derek Lunsford |
| 2025 | Mr. Olympia | Men's Open Bodybuilding | #9 | Derek Lunsford |
| 2024 | IFBB Dubai Pro | Men's Open Bodybuilding | #2 | Behrooz Tabani |
| 2024 | IFBB Empro Pro | Men's Open Bodybuilding | #1 | Winner |
| 2024 | Mr Big Evolution Portugal Pro | Men's Open Bodybuilding | #2 | Nathan De Asha |
| 2024 | Mr. Olympia | Men's Open Bodybuilding | #7 | Samson Dauda |
| 2022 | Arnold Classic | Men's Open Bodybuilding | #2 | Brandon Curry |
| 2022 | IFBB Boston Pro | Men's Open Bodybuilding | #1 | Winner |
| 2022 | Mr. Olympia | Men's Open Bodybuilding | #9 | Hadi Choopan |
| 2021 | Mr. Olympia | Men's Open Bodybuilding | #6 | Mamdouh Elssbiay |
| 2020 | Arnold Classic | Men's Open Bodybuilding | #1 | Winner |
| 2020 | Mr. Olympia | Men's Open Bodybuilding | #5 | Mamdouh Elssbiay |
| 2019 | Arnold Classic | Men's Open Bodybuilding | #2 | Brandon Curry |
| 2019 | Arnold Classic Australia | Men's Open Bodybuilding | #1 | Winner |
| 2019 | Mr. Olympia | Men's Open Bodybuilding | #2 | Brandon Curry |
| 2018 | Arnold Classic | Men's Open Bodybuilding | #1 | Winner |
| 2018 | Arnold Classic Australia | Men's Open Bodybuilding | #2 | – |
| 2018 | Mr. Olympia | Men's Open Bodybuilding | #4 | Shawn Rhoden |
| 2017 | Arnold Classic Europe | Men's Open Bodybuilding | #2 | Mamdouh Elssbiay |
| 2017 | Mr. Olympia | Men's Open Bodybuilding | #3 | Phil Heath |
| 2017 | Prague Pro Championships | Men's Open Bodybuilding | #2 | Roelly Winklaar |
| 2016 | Arnold Classic Europe | Men's Open Bodybuilding | #3 | Dexter Jackson |
| 2016 | Kuwait Pro Championships | Men's Open Bodybuilding | #5 | Mamdouh Elssbiay |
| 2016 | Mr. Olympia | Men's Open Bodybuilding | #5 | Phil Heath |
| 2016 | Nordic Pro (Finland) | Men's Open Bodybuilding | #1 | Winner |
| 2016 | Olympia Europe | Men's Open Bodybuilding | #3 | Dexter Jackson |
| 2016 | Prague Pro Championships | Men's Open Bodybuilding | #1 | Winner |
| 2015 | Arnold Classic Europe | Men's Open Bodybuilding | #6 | Dexter Jackson |
| 2015 | Dayana Cadeau Classic | Men's Open Bodybuilding | #1 | Winner |
| 2015 | IFBB EVLS Prague Pro | Men's Open Bodybuilding | #5 | Dexter Jackson |
| 2015 | Mr. Olympia | Men's Open Bodybuilding | #8 | Phil Heath |
| 2015 | Nordic Pro (Finland) | Men's Open Bodybuilding | #1 | Winner |
| 2015 | Prague Pro Championships | Men's Open Bodybuilding | #5 | Dexter Jackson |
| 2015 | San Marino Pro | Men's Open Bodybuilding | #2 | Joshua Lenartowicz |
| 2014 | Arnold Classic Brasil | Men's Open Bodybuilding | #7 | – |
| 2014 | Arnold Classic Europe | Men's Open Bodybuilding | #6 | Dennis Wolf |
| 2014 | Australia Pro Grand Prix | Men's Open Bodybuilding | #2 | Shawn Rhoden |
| 2014 | EVLS Prague Pro | Men's Open Bodybuilding | #8 | Dennis Wolf |
| 2014 | Golden State Grand Prix | Men's Open Bodybuilding | #1 | Winner |
| 2014 | Grand Prix Russia | Men's Open Bodybuilding | #1 | Winner |
| 2014 | IFBB San Marino Pro | Men's Open Bodybuilding | #11 | Shawn Rhoden |
| 2014 | IFBB Tampa Pro | Men's Open Bodybuilding | #2 | Victor Martinez |
| 2014 | Mr. Olympia | Men's Open Bodybuilding | #15 | Phil Heath |
| 2013 | IFBB EVL Prague Pro | Men's Open Bodybuilding | #5 | Kai Greene |
| 2013 | Prague Pro Championships | Men's Open Bodybuilding | #5 | Kai Greene |
| 2012 | EVL Prague Pro | Men's 212 Bodybuilding | #4 | Flex Lewis |
| 2012 | EVL Prague Pro | Men's 212 Bodybuilding | #4 | Flex Lewis |
| 2012 | IFBB British Grand Prix | Men's 212 Bodybuilding | #6 | Flex Lewis |
| 2012 | IFBB Europa SuperShow | Men's 212 Bodybuilding | #3 | David Henry |
| 2011 | Arnold Amateur | Men's Open Bodybuilding | #3 | Aleksei Lesukov |
| 2009 | Pro Battle of Giants | Men's Open Bodybuilding | #4 | Orazio Salvatori |
| 2009 | Universe | Other Divisions | #1 | Winner |
| 2008 | European Championships | Other Divisions | #4 | Alfio Palumbo |
| 2008 | Universe | Other Divisions | #5 | Erkal Özaǧi |
| 2008 | Universe | Other Divisions | #4 | Mario Pagnoni |
Showing 15 of 62 recorded results.
More Men's Open Bodybuilding athletes Athletes from Netherlands Compare William Bonac William Bonac peak window William Bonac division journey
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