Proving Grounds

MyStrengthBook

About this app

Built for legacy. Powered by purpose.

Proving Grounds Athletic is a structured training and performance platform built for long-term athletic development. Access guided strength and conditioning programs, track measurable progress, and train within systems designed around discipline, accountability, and consistency.

The app combines coaching, programming, recovery, nutrition, and performance tracking within one integrated environment designed to support purposeful development over time. Members can manage training, monitor progress, and stay connected to the wider Proving Grounds ecosystem.

For members within the Central Otago region, the app also provides integrated facility access, membership management, and ongoing support within our in-person training environment. Proving Grounds Athletic is built for those committed to measurable performance, long-term progression, and training with intent.

Training Built for Legacy.