A Training Plan That Thinks
Neural networks analyze your VO2max, VLamax, and recovery from every workout. Your training plan rebuilds each week based on what your body actually needs. And when you have questions — your Virtual Coach is there, 24/7.
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● The Intelligence
Neural networks make the training decisions.
Neural Network Prediction
Every workout analyzed. VO2max and VLamax estimated from heart rate and power data — like a lab test, from training data.
Recovery & Load Management
Body Reserve tracks accumulated fatigue. HRV, sleep, and resting HR are evaluated every morning — independently, not as replacement.
Weekly Plan Intelligence
Every Monday rebuilt from scratch. Focus, intensity, Training Score target, rest days, intervals — all decided by ML based on where you are and where you need to be.
● The Interface
The Virtual Coach makes them accessible — on every device.
Training Plan
Your full training plan on the big screen. Every week rebuilt by ML — focus, intervals, Training Score, rest days.
Virtual Coach
Ask why, request changes, get explanations. The coach has full access to your data and can modify your plan instantly.
Coach on WhatsApp
Same coach, no app switch. Mark sick days, add races, reschedule workouts — all from WhatsApp. Voice messages supported.
6 languages. 24/7. No appointment needed.
PowerAI — Real AI, Not ChatGPT
Most training apps call themselves AI. We actually built one. A neural network trained on thousands of real powertests and physiological simulations.
Finds what you left on the table
Every Afasteryou powertest feeds the model. PowerAI slices your test into hundreds of segments, analyzes each one, and calculates your true VO2max ceiling. The more tests athletes complete, the smarter it gets.
PowerAI is a TensorFlow neural network served via dedicated infrastructure. Not an if/then rule engine. Not a ChatGPT wrapper. Trained on real athlete powertests and validated against laboratory measurements.
Your Coach on WhatsApp
Same intelligence. Same data access. No app switch needed.
No app switch
Message your coach from WhatsApp — the same app you already use every day. No login needed.
Voice messages
Record a voice message after your run. Your coach transcribes and responds — perfect for on-the-go questions.
6 languages
English, German, Spanish, French, Italian, Portuguese. Your coach responds in your language automatically.
Real actions, not just advice
Mark sick days, add races, reschedule workouts. The coach triggers real plan changes — your Garmin updates automatically.
It Knows When to Push — and When to Stop
Body Reserve tracks your accumulated fatigue. The system learned from 200,000+ activities where the sweet spot is — and keeps you there.
Same adaptation stimulus as the sweet spot, but significantly higher injury risk. No additional benefit. The system prevents this.
New mitochondria. Better oxygen transport. Higher VO2max. This is where real progress happens — validated by our ML analysis across thousands of athletes.
Sweet SpotWell rested but not improving. The training stimulus isn't enough to trigger physiological change. Comfortable — but no progress.
- →VO₂max focus week — high-intensity block
- →3× interval sessions (30/30, threshold)
- →Training Score target: 100 TS
- →Full carb availability for VO₂max sessions
- →Recovery priority — reduced intensity
- →1× threshold, 2× base endurance
- →Training Score target: 70 TS (reduced)
- →Extra rest day on Wednesday
"The system understands my physiology better than any static training plan ever could."
A Week With the System
Multiple automated checks per day. Every activity triggers re-planning. Every morning, your health data is evaluated. This isn't a plan you follow — it's a system that adapts with you.
Based on last week's AI Prediction (VO2max, VLamax updated), the ML system decides: weekly Training Score target, number of sessions, training focus, interval types, rest days. The entire week is built — not from a template, but from your current physiology.
60 min with 3×(60" V90 + 3' TP). Interval power calculated from YOUR VO2max — not from a pace chart. Synced to Garmin automatically.
Health package detects: Resting HR +4 bpm, sleep quality 62%. System reduces today's intervals, lowers volume. Original plan: 75' with 2×5' threshold → adjusted: 60' base endurance only.
90' with 2×8' Threshold. Athlete decides to join a group ride instead — rides 2.5h with higher intensity than planned.
2.5h group ride used much more energy than the planned 90' threshold. ML recalculates: Friday and Saturday reduced, energy redistributed across remaining days. Synced to Garmin immediately.
Virtual Coach marks the day as sick. Friday's session removed. System checks: can the remaining Training Score fit into Saturday and Sunday while respecting rest day rules and Body Reserve limits?
Originally 2:30h Zone 2 — now reduced to 1:45h due to Thursday's extra load and Friday's sick day. Remaining weekly Training Score distributed optimally.
Neural network re-analyzes all activities. New VO2max and VLamax estimated. Body Reserve recalculated. Monday morning: a completely new plan, informed by everything that happened this week.
In one week, the system ran 12+ automated checks: morning health evaluations, nightly completion checks, post-activity replanning, and real-time coach interactions. Every day is different. Every plan is unique.
AI Coach vs. the Alternatives
What sets a real AI coach apart from human coaches and generic training apps.
A Faster You AI Coach | Human Coach ~150-300 EUR/mo | Training Apps TrainingPeaks etc. | |
|---|---|---|---|
| Availability | 24/7 — App & WhatsApp | Business hours | Self-service only |
| Response time | Instant | Hours to days | N/A |
| Reads your VO2max & VLamax | If you share test results | ||
| Adjusts plan automatically | Manual, after discussion | ||
| Metabolic model (Mader) | Depends on coach | ||
| Recovery tracking (Body Reserve) | Relies on your feedback | Basic HRV only | |
| Race periodization | Automatic VO2max/VLamax phases | Manual periodization | Generic templates |
| Remembers your history | Data only, no context | ||
| Voice input | Phone calls | ||
| Cost | From EUR 24.90/month | EUR 150-300+/month | EUR 0-20/month |
Athletes Who Train Smarter
Real feedback from real athletes — from age-groupers to world record holders.
"With AI Training, my available time is used optimally and I'm not overwhelmed by a trainer. I can make training progress without neglecting all other aspects of my private life.
It's perfect to have this training companion by my side."
"After an MTB crash with a thumb injury, I was on the trainer a lot and trained in my zones in a structured way thanks to Training AI. That really helped me move forward — I noticed the progress through structured training enormously.
In the holidays I could keep up with my partner on all the big road cycling tours with 4,000+ meters of elevation. He's an Ironman triathlete and very fit."
"At 61, with 47 years of cycling in my legs, I believe you are never too old to learn. Combining a power test with AI training effectively removes the difficult question of exactly how many hours to train in each zone.
I especially liked the VO2max workouts with shorter rep durations — they were very useful for this old man who is a 100km time trialist."
"At 42 I continue to learn and improve on the bike and feel like my training is always intentional. The AI training feature keeps things on track for me between tests and when training doesn't go to plan.
I like to get the most out of efforts and push myself to do a few hard events every year."
One Plan. Everything Included.
Start your 30-day free trial today
Get Faster
Adapts your training daily based on YOUR metabolism
Stay Healthy
Body Reserve prevents overtraining before it starts
Virtual Coach
Ask anything, adjust your plan with a single message
Frequently Asked Questions
Our AI Coach is not a general-purpose chatbot. It has direct access to your training data — VO2max, VLamax, Body Reserve, training history, and race calendar. It can read your data, explain what it means, and modify your training plan in real time. It's built on the Mader metabolic model, the same science used in professional sports labs.
Yes. When you tell your coach you're sick, want to add a race, or need to shift a workout, it directly adjusts your plan. This isn't just advice — the coach has tools to modify your schedule, mark rest days, add competitions, and reschedule workouts. Changes take effect immediately.
Add your phone number in your profile settings and message our WhatsApp number. You can ask your coach questions, report how you feel, or request plan changes — all from WhatsApp. The same AI, the same data access, just a different channel. Supports voice messages too.
The Mader model, developed by Prof. Alois Mader, describes how your body produces energy through two key parameters: VO2max (aerobic capacity) and VLamax (anaerobic lactate production rate). Your training zones, threshold power, and race predictions are all calculated from these values. It's the scientific foundation used by professional cycling and running teams worldwide.
Yes. The Virtual Coach is included in every Premium plan — both monthly and yearly. No additional cost. You also get the adaptive training plan, activity analysis, Powertest, and race simulation.
Absolutely. Tell your coach your race date and distance, and it will automatically periodize your training — building VO2max in the base phase and optimizing VLamax for race economy in the final weeks. It manages the entire periodization cycle automatically based on your fitness data and race calendar.
The coach speaks English, German, Spanish, French, Italian, and Portuguese. It automatically responds in your preferred language. Voice input is supported in all languages.
No. The AI works with heart rate data from any GPS watch (Garmin, Wahoo, etc.). A power meter improves accuracy but is not required. For runners, pace and heart rate are sufficient for the AI to calculate your VO2max and build your training plan.
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