VO2max by Age (2026): 1,202 Real Athletes vs. ACSM
VO2max norms by age and gender — based on 1,202 tested athletes and 15,000 power tests. Compare yourself to ACSM benchmarks and real lab data.
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Insights zu Trainingsoptimierung, Sportwissenschaft und Performance-Technologie.
The Virtual Coach: How We Built an AI That Actually Understands Your Training
Most AI coaching apps slap a ChatGPT wrapper on generic training advice. We took three years, a metabolic model from the 1980s, and 60 custom tools to build something fundamentally different.
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VO2max for Cyclists: How to Measure, Train, and Improve It
What VO2max means for cycling performance, how to measure it with a Powertest, and the most effective training methods to improve it — 30/30 intervals and more.
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Your voice can shape what we stand for!
Get inspired by others’ stories and share your own! Whether you’re training for your first 5K or getting back into training – your experience could help someone. Join Afasteryou and let us know how we...
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Heart Rate Training: Why a Chest Strap Changes Everything
Why heart rate training with a chest strap is more accurate than wrist-based monitors. How to use HR zones for better endurance, recovery, and performance.
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From two strokes and 35 kg gained to standing strong as a team leader, racer, and business owner,...
From battling strokes to leading the pack, Stefan’s transformation is truly inspiring! 💪✨ With hard work and our support, he’s not just chasing numbers but achieving dreams. Cheers to you, Stefan! ...
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Carb Tracking for Cyclists: Know What You Burn, Fuel What You Need
Stop guessing your fueling. See exactly how many carbs you burn per ride with real-time substrate tracking — and fuel smarter for better performance.
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Fueling for Endurance: How Many Carbs Do You Really Need?
Are you underfueling your rides? How to calculate your carb needs per hour, what happens when you bonk, and how substrate data from your Powertest helps.
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Weight Loss Through Cycling and Running: A Data-Driven Approach
Why crash diets fail for athletes. How to lose weight while maintaining performance — using FATmax training, substrate data, and smart calorie balance.
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AI Training Plan: Why Most Apps Get It Wrong (And What Real AI Looks Like)
Most AI training apps are just rule-based automation. Here's what real AI in endurance training looks like — metabolic modeling, tool-calling coaches, and plans that actually adapt.
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Activity AI – the smarter way to train 😜
🚴♂️💨 Get inspired by Hans Becking’s comeback! With our Training AI, you’re on the best path to peak performance. Track your fitness in real-time, optimize your training and beat your personal best...
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🤔 Training AI - we need your Feedback 🤝
🚴♂️🏃♀️ Ready to take your training to the next level? Our brand-new Training AI tool gives you perfect support for cycling and running! Share your feedback and help us improve the training experi...
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Cycling Aerodynamics: How to Test and Improve Your CdA
How aerodynamics works in cycling, what CdA means, and how to test and improve it. From wind tunnels to field testing — with insights from WorldTour experts.
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🚵♂️ Henrique Avancini & 🏃♀️Eva-Maria Sperger
🚴♂️✨ Get swept away by Henrique Avancini’s inspiring cycling journey! From the first Brazilian world champion to new records – his path motivates every cyclist! Plus: tips from Björn Kafka and exc...
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🧑🔬 You asked about Zone 2 – here are the answers! 🤝
Curious about Zone 2 training? 🏃♂️💨 Björn's got the answers and some cool sports science insights! Are you feeling the Zone 2 buzz lately? Slide through to find out more! Let’s optimize that perfo...
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Could Zone 2 training be your key to enduring success❓🕵🏻♂️
Unlock your cycling potential with Zone 2 training! 🚴♂️💪 Dive into Björn's insights on why this trending technique is a game-changer for endurance. Check out the video to discover the benefits and...
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Zone 2 Training: How to Build Your Aerobic Base the Right Way
What is Zone 2 training and why does it matter? How to find your real Zone 2, what FATmax means, and how much base training you actually need.
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What are training zones, and why is recovery probably the most underrated zone⁉️🤓
Ever wonder why recovery is the unsung hero of training? 🤔 Join Björn as he breaks down why resting is just as vital as pushing your limits! 🛌💪 Discover how recovery can level up your game in his l...
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🙌 Carbs, Carbs & more Carbs 🍪🍼🤓
Ready to crush that Ötztaler? 🚴♂️🍪 Björn’s got your back with must-know race nutrition tips! Spoiler: not all gels are your best friend! 🤓 Got questions? Drop them below and fuel your ride to succ...
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💡 Empowering Coaches with Precision and Simplicity
🚴♂️💨 Hey Coach! With Aerotune, you have the perfect tools to get the best out of your athletes! Discover **Activity AI** for precise analysis and use our dashboard to track VO2max progress and mor...
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