IFBB PRO Women's Physique
AustraliaCatherine “Cathy” Castles is an Australian IFBB Pro athlete who competes in the Women’s Physique division. Known for her late-start success, she did not begin lifting weights until age 45 and turned professional in her 50s.
Competitive Background
Cathyearned her IFBB Pro Card in April 2023 after winning her class at the IFBB Professional League Australian Amateur Grand Prix Pro Qualifier.
Recent Contest Highlights (2025)
- IFBB Tampa Pro: Placed 3rd and 13th in respective Women’s Physique classes (August 2, 2025)
- IFBB Chicago Pro: Placed 3rd, 6th, 10th, and 16th across multiple Women’s Physique categories (July 19, 2025)
- 2023 NPC Worldwide Singapore Showdown: 1st Place (Women’s Physique)
- 2023 IFBB Brisbane Championships: 2nd Place (Women’s Physique)
- 2021 NPC Worldwide Australia Season A: Pro Qualifier Participant
Personal Details and Training
Location: Based in Australia and trains at Iron Asylum Australia.
Coaching: Prepped and coached by Sam Pearce.
Advocacy: She frequently shares content on social media regarding “fit over 50,” overcoming body dysmorphia during growth phases, and encouraging Australian women to join the physique division.