tenaz GmbH
tenaz GmbH is a Swiss company developing digital performance systems and methodologies focused on sport and performance training, objective measurement, and actionable insight.
PHX83™ Performance System
Our work is built around a simple principle:
Train. Measure. Ascend.™
Vision
To support athletes and performance-oriented individuals in planning, executing, and reviewing training across daily, weekly, monthly, and seasonal cycles by combining structured training, objective performance signals, and reflective self-input into coherent, long-term insights.
What this means
Train — structured sport and performance training inputs
Measure — user-authorized performance signals from wearables and sensors, combined with self-reported inputs
Ascend — clear, context-aware feedback and insights to support informed decisions over time
In addition to product development, tenaz GmbH offers methodology-based coaching and advisory services aligned with the Train. Measure. Ascend.™ framework.