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Elite Sports Training & Physiotherapy for Athletes in Sydney
Founded by former athletes Karl Goodman and Lachy, Athletes Authority was established to address the gaps they experienced in their own sporting journeys. With over a decade of combined experience in elite sports development, our team specialises in creating tailored programs that combine physical training with mental resilience strategies. We operate under the philosophy of 'Minimising the Downside (Injury) While Pursuing the Upside (Performance)', offering both in-person and virtual support systems.

Our facility in Sydney serves as a comprehensive hub for athlete development, featuring strength and conditioning programs, sports physiotherapy, and recovery systems backed by a 100% results guarantee. The team has coached 450+ professional athletes and maintains a 5-star Google rating from 500+ reviews, demonstrating our commitment to excellence in athlete development.
Services
Athlete Development Program Sports Physio Program Speed & Agility Training Emerging Athlete Program Online Physiotherapy ACL Rehab Mental Skills Training Performance Testing Coach Immersion Program Business Mentorship
Highlights and features
  • We guarantee results with our strength and conditioning programs
  • Our team includes former professional sports coaches and athletes
  • We combine physical training with mental skills development
  • We offer both in-person and online physiotherapy services
  • Our facility has been rated Australia's best high performance gym
What people say
Best high performance gym Second home atmosphere Exceptional facilities Expert coaching team Guaranteed results
Services
Athlete Development Program
Our comprehensive strength and conditioning program guarantees improved athletic performance through personalized training plans. Combining physical development with mental skills training, this program caters to athletes at all levels. Backed by a 100% results guarantee, our expert coaches use proven methodologies to enhance speed, strength, and agility while minimising injury risk.
Sports Physio Program
Specialised physiotherapy services designed specifically for athletes recovering from injuries. Our program focuses on returning athletes to competition faster through evidence-based rehabilitation techniques. With both in-person and online options available, our physiotherapists work closely with athletes to develop individualised recovery plans that address specific injuries and performance goals.
Speed & Agility Training
Targeted training program to enhance speed and agility for team sport athletes. This program develops explosive movement patterns and game-changing abilities through sport-specific drills. Our expert coaches use proven techniques to improve acceleration, change of direction, and overall athletic performance in competitive environments.
Emerging Athlete Program
Comprehensive program designed to help young athletes reach their full potential. This program provides structured development pathways for teenage athletes (13-17) and masters athletes. Parents receive guidance on creating optimal training environments while athletes develop essential physical and mental skills for long-term sporting success.
Online Physiotherapy
Remote physiotherapy services providing expert guidance for injury recovery. This program offers accessible rehabilitation solutions for athletes unable to attend in-person sessions. Our qualified physiotherapists deliver individualised treatment plans through virtual consultations, ensuring continuity of care and effective recovery monitoring from any location.
People
Karl Goodman
Founder
Former athlete with extensive experience in sports development, Karl founded Athletes Authority after identifying gaps in athlete support systems. His personal experiences as a failed professional athlete shaped the company's philosophy of combining physical training with mental resilience strategies to create comprehensive athlete development programs.
Lachy
Co-Founder
Experienced strength and conditioning coach who previously served as GWS Giants' second employee and helped transform Parramatta Eels into finals contenders. His expertise in developing young athletes forms the foundation of our coach training programs and athlete development methodologies.
Questions
What programs do you offer for developing athletes?
We offer Athlete Development Programs, Speed & Agility Training, and Emerging Athlete Programs tailored to different age groups and skill levels.
Do you provide injury rehabilitation services?
Yes, our Sports Physio Program offers both in-person and online rehabilitation services for various sports injuries including ACL, Achilles, and groin rehab.
Are your training programs location-specific?
While our flagship facility is in Sydney, we offer online training options and have served athletes from multiple locations across Australia.
What age groups do you cater to?
We specialise in training for adult athletes (18+), teenage athletes (13-17), and masters athletes with age-appropriate program modifications.
Do you guarantee results with your training programs?
Yes, our strength and conditioning programs come with a 100% results guarantee, ensuring measurable improvements in athletic performance.
How experienced are your coaching staff?
Our coaches have extensive experience working with professional athletes, including 450+ pro athletes and multiple premiership-winning teams.
Reviews (6)
Dylan Dowling
Jan 25, 2022 Report
Positive:Communication,Professionalism,Quality
Ive thoroughly enjoyed my time at Athletes Authority. The dedication and professionalism of all the coaches and physios is second to none. Through their efforts I have been able to get my body feeling the best it ever has and primed to perform to the best of my ability. Highly recommend
Ally Green
Jan 25, 2022 Report
Professionally designed & run gym. Built for all people, however especially athletes all ages. Great facility in with state of the art recovery services. Professional communication, great team & individual coaching environment and high quality programming available for all. Great Physio services available. Big floor space spilt across two stories. Highly recommend for all gym goers, rehabbers & athletes! Its a one-stop-shop!
Alex Delaney
Jan 25, 2022 Report
Absolutely love training at Athletes Authority. The staff, trainers and physios are all super helpful and genuinely care about you as an athlete. I had surgery 8 weeks ago and everyone has been instrumental to my rehab process. Couldn't speak more highly of the guys and would 100% recommend to any athlete of any age.
Chloe Marwedel
Jan 25, 2022 Report
I came to athletes authority following an ACLR. The team has ben so supportive in not only getting me back to where I want to be but in growing my confidence. The rehab program is absolutely seamless and I enjoy going to the gym. Justin the physio has been amazing in taking time to explain things to me and is very considerate of all factors of rehab!
Julia Baxter
Jan 25, 2022 Report
The staff are all so supportive, they go out of their way to check how your doing, both in your sport and your general life. The communication is also flawless. The facilities are amazing, literally so much on offer in terms of equipment, recovery, physio! The atmosphere in the gym is also encouraging and helps get the workout done
Madi Bonato
Jan 25, 2022 Report
Having had a complicated rehab journey prior to starting AA it came as a relief to be apart of a program that understands that no two injuries are the same, being given a program that is unique to me and that of my previous injuries. Both the coaches and physio's create such a supportive environment, with their extensive knowledge gave me the confidence to push myself knowing that I am being guided in the right direction.
Honestly couldn't recommend AA enough!