Unleash Your Potential.

Unleash Your Potential.

Off-Season Program.

Off-Season Program.

Enquire Now

The Off Season Edge Ebook

The Off Season Edge Ebook

Download here

Download here

Koula Performance helps athletes dominate.

Koula Performance helps athletes dominate.

Elevate How You Train - Elevate How You Perform

Off-Season Coaching.

Off-Season Coaching.

Progress keeps going.

Progress keeps going.

Gym Only

$49.99/wk

Gym access

Small group coaching

Full S&C Program

Performance testing & tracking

Weekly check-ins

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Gym + Field

$59.99/wk

All Gym Only features

Field speed/agility

Sprint testing

Field Fitness sessions

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We provide the environment, expertise, and training systems to help you perform at your best. With a science-driven approach, personalised coaching, and a focus on longevity, we work with individuals who are serious about progress, whether you’re an athlete chasing the next level or someone striving for peak physical performance.

From youth athletes to professionals, weekend warriors to high performers, our methods are built to enhance strength, speed, resilience, and injury prevention.

1:1 Person Coaching.

1:1 Person Coaching.

1:1 Strength & Conditioning sessions at Ultra Fitness, or on field.


Community, accountability, and expert guidance every session.

Semi-private, gym and field sessions at Ultra Fitness

Semi-private, gym and field sessions at Ultra Fitness

Online Coaching.

Online Coaching.

Remote coaching with custom programs powered by Lumin Sports.


check-ins, and athlete tracking for motivated individuals anywhere.

Remote coaching with custom programs powered by Lumin Sports.


check-ins, and athlete tracking for motivated individuals anywhere.

Jack Kouloubrakis

Jack Kouloubrakis

Coach

With over 20 years in field sports and 6+ years coaching, i bring real experience from the field to the gym. Currently coaching Division 1 rugby, and have worked with First XV squads, rep athletes, and everyday performers.

At Koula Performance, we blend sport science, accountability, and community. Programs built on intent, structure, and progression, so athletes get better year-round.

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Performance coaching

Proven programs

Personal support

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Jack@ultrafitness.co.nz

Ultra Fitness

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