Black Diamond Performance
Elite experience. Personalised feedback.
Expert video analysis and a live one-on-one consultation with Nathan and Katrina Nukunuku — two of New Zealand's most accomplished softball players, with 40+ years of combined international experience.
Register now — free to register →The Performance Review — Diamond Sports
Online video analysis + live consultation — Diamond Sport athletes 10 years and over
Submit your footage, then meet Nathan and Katrina online for direct, honest feedback. Every review focuses on one or two key priorities — simple, practical, and immediately applicable. Choose your focus: Hitting · Infield Defence · Outfield Defence · Base Running · General Game Performance.
Launch price when paid bookings open Monday — registering now locks it in. Inclusive of GST where applicable.
First 5 registrations: 2 will be selected for a FREE first session. Free-session recipients agree to share their journey and results publicly as a BDP testimonial.
Register now and lock in the launch price →How it works
01
Book your review
Complete the online booking form and athlete questionnaire, and confirm with payment.
02
Upload your video
2–5 minutes of training or game footage for your chosen focus area. Simple upload instructions arrive by email.
03
Performance analysis
Nathan and Katrina review your footage before your consultation — strengths, priorities, and the changes that matter most.
04
Live consultation
A personalised 45–60 minute online Performance Review Consultation, held within 4 days of your footage being received. Your footage, your goals, direct feedback.
05
Your performance plan
A follow-up email with your review summary, Individual Action Plan and 2–4 week training priorities — then a 30-minute follow-up consultation at the 4-week mark to review progress, provide further training if required, and set your next steps.
Included
- — Online booking and athlete questionnaire
- — Video submission and pre-consultation analysis
- — 45–60 minute live Performance Review Consultation
- — Personalised feedback and practical guidance
- — Individual Action Plan
- — Personalised 4-week plan by email
- — 30-minute follow-up consultation at the 4-week mark
Athletes under 18
Young athletes are at the heart of what we do. A parent or guardian completes the consent section of the booking form, and a responsible adult is present during every consultation. Footage is stored securely and deleted within 30 days of your consultation.
Coming to Black Diamond Performance
In-person sessions · Weekend training camps · Team & club programmes