William Bonac

William Bonac
Professional bodybuilder
Bonac in 2022
Personal info
NicknameThe Conqueror
Born (1982-05-18) 18 May 1982 (age 44)
Ghana
Best statistics
Professional (Pro) career
Pro-debut
  • British Grand Prix
  • 2012
Best win

William Bonac (born 18 May 1982) is a Ghanaian-Dutch professional bodybuilder who competes in the men's open bodybuilding division in the IFBB Pro League. He is a two-time winner of the Arnold Classic, having won the competition in 2018 and 2020, and was runner-up at the 2019 Mr. Olympia.

Biography

William Bonac was born in Ghana on May 18, 1982, and spent his early childhood there before later living in the Netherlands. He began weight training at the age of 13. Bonac later competed as an amateur bodybuilder and placed third in the heavyweight division at the 2011 Arnold Amateur.

Bonac made his professional debut in 2012, competing in the 212-pound division at the British Grand Prix and Europa Supershow before moving into the Men's Open division. He recorded his first professional victories in the middle of the decade, including wins at the Golden State Pro in 2014 and the Nordic Pro in 2015 and 2016. Bonac made his Mr. Olympia debut in 2014, finishing 15th. He improved to eighth in 2015, fifth in 2016 and third at the 2017 Mr. Olympia.

In 2018, Bonac won the Arnold Classic in Columbus, Ohio, his first victory at the competition. He finished fourth at the 2018 Mr. Olympia. In 2019, he placed second at the Arnold Classic and won the Arnold Classic Australia. Later that year, Bonac finished second to Brandon Curry at the 2019 Mr. Olympia, the highest Olympia placing of his career. Bonac won the Arnold Classic for a second time in 2020 and later placed fifth at the 2020 Mr. Olympia.

Bonac finished sixth at the 2021 Mr. Olympia. In 2022, he placed second at the Arnold Classic and won the Boston Pro before finishing ninth at the 2022 Mr. Olympia. He did not compete at the 2023 Mr. Olympia. Bonac returned to the Olympia stage in 2024 after winning the Empro Pro and placed seventh at the 2024 Mr. Olympia. In 2025, he placed fifth at the Arnold Classic, won the Detroit Pro, finished fourth at the Pittsburgh Pro and second at both the New York Pro and Dubai Pro. He later placed ninth at the 2025 Mr. Olympia.

In 2026, Bonac won the Tsunami Nutrition Showdown Pro and the Empro Classic Spain Pro, qualifying for the 2026 Mr. Olympia. Ahead of the 2026 Mr. Olympia, Bonac stated that the competition would be his final appearance at the Olympia and that he planned to conclude his competitive career following further appearances at the Arnold Classic.

Competitive history

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 "William Bonac". Muscle & Fitness. Retrieved 27 September 2026.
  2. 1 2 3 4 5 6 7 8 9 Magnante, Matthew. "William Bonac – Complete Profile: Height, Weight, Biography". Fitness Volt. Retrieved 27 September 2026.
  3. ↑ McNulty, Rose. "William Bonac Talks 2020 Olympia Prep and Tips for Aspiring Bodybuilders". Muscle & Fitness. Retrieved 27 September 2026.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 "William Bonac". NPC News Online. Retrieved 27 September 2026.
  5. 1 2 3 4 5 6 7 8 9 10 Miller, Tom (25 September 2026). "William Bonac Climbed From 15th to 2nd at the Olympia. This Weekend He Says Goodbye". Fitness Volt. Retrieved 27 September 2026.
  6. ↑ "William Bonac". Bodybuilding Picks. Retrieved 27 September 2026.
  7. ↑ "William Bonac – Contest History". Fitness Volt. Retrieved 27 September 2026.
  8. ↑ "2015 Arnold Classic Europe Bodybuilding Men Results". Bodybuildbid. Retrieved 27 September 2026.
  9. ↑ "William Bonac – Contest History". Fitness Volt. Retrieved 27 September 2026.
  10. ↑ "William Bonac". NPC News Online. Retrieved 27 September 2026.
  11. ↑ "William Bonac – Contest History". Fitness Volt. Retrieved 27 September 2026.
  12. ↑ "William Bonac". NPC News Online. Retrieved 27 September 2026.
  13. ↑ "2026 Tsunami Nutrition Showdown France Pro Results". Fitness Volt. Retrieved 27 September 2026.
  14. ↑ "2026 Empro Classic Spain Pro Results – William Bonac Wins Men's Bodybuilding". Fitness Volt. Retrieved 27 September 2026.
  15. ↑ "2026 FLEX Weekend Italy Pro Results and Scorecards". Generation Iron. 28 June 2026. Retrieved 27 September 2026.