Stack: Running Log

Most training apps overwhelm you with comparisons, arbitrary pace targets, AI-generated summaries, and constant recommendations.

Stack removes the complexity.

What’s left is a clean, focused system that helps you listen to your body and train based on how you actually feel not external metrics.

Train Smarter With Less

• Track fatigue and form in one simple visual chart
• Identify your optimal training zones
• Prevent overtraining and undertraining
• Build consistent routines that support long-term progress
• Judgement free

Stack is deliberately simple. When you remove pressure and unnecessary data, your training becomes more intuitive and sustainable.

Less is more.

Start your 7-day free trial today.

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