Health & Fitness
We built the running app that actually gets you off the couch
Z5K uses real-time voice coaching to guide complete beginners from zero to 5K. Personalized plans, adaptive pacing, and a coach that talks to you while you run.
The Challenge
Why most running apps fail beginners
Plans designed for runners, not beginners
Most apps assume you can already run. Their 'beginner' plans are still too aggressive for someone who has never run before.
No real-time guidance
A training plan on a screen doesn’t help when you’re out of breath and don’t know if you should walk or push through.
Motivation drops after week two
Without a human-like coach encouraging you in real-time, most people quit before they see progress.
What We Built
A voice coach that adapts to you
Adaptive voice coaching
The coach speaks to you during your run. When to walk, when to run, and words of encouragement when it gets hard. Pace adjusts to your fitness level.
Progressive training plans
Start with 1-minute run intervals. The plan builds gradually so your body adapts without injury or burnout.
GPS route tracking
Map your runs, track your pace over time, and see how far you’ve come from day one to your first 5K.
Results
In a world where everyone has the same AI, the companies that win are the ones that know which problems to solve