Vekta
Vekta · Leaning · AI Assistant
Vekta is an AI training and coaching platform built for endurance athletes and the coaches who guide them. Instead of boiling a rider down to one threshold number, it models sustainable power, the limited reserve above it, and how both hold up as fatigue builds. It works as an endurance coaching app for cyclists, runners and triathletes who want to plan sessions and read their own load. You can also just ask plain-English questions about your data. No spreadsheets required. Think of it as cycling training software that starts from a model rather than a spreadsheet. That distinction runs through everything here.
About Vekta
What Is Vekta
Vekta is a performance platform that brings planning, analysis and insight into a single model of how an athlete actually performs. Its core is a Critical Power and W′ model, which describes the power you can hold for a long time, the finite extra energy you have above that, and how durability changes once you're tired. In plain terms, that reserve is your W prime, and it's what decides the last climb. Those numbers update from normal riding, so you don't need to run test protocols to keep the model current.
The platform was built with WorldTour teams, and several professional squads moved their performance work onto it. That pedigree matters because it shaped the questions Vekta answers: how much an athlete can really hold after 1,200 kilojoules, which sessions in a training block actually moved the needle, and who on a coach's roster needs attention on any given morning.
The main limit is scope. Vekta is aimed at endurance sport, so strength athletes, team sports and casual fitness users won't find much here. It also leans on data you already collect from a power meter or heart rate strap. No sensors, less to work with. If you ride or run without a power meter or heart rate strap, the model simply has fewer inputs to shape its picture of how you actually perform.
Getting Started
- Create an account on the Vekta site and pick a coach or athlete account. Coach accounts are free.
- Connect your training data by linking the devices or services you already use, such as a power meter or a head unit.
- Let the model calibrate. Vekta derives your Critical Power and W′ from your own rides rather than a lab test.
- Open the dashboard to review sessions, load and durability, then plan your next block around what the model shows.
- Optionally connect the API to Claude or ChatGPT to query your training in plain English.
Product Information
A quick look at Vekta's pricing, supported platforms, and performance.
Best for
The users, tasks, and scenarios where this tool fits best.
Users
- Endurance coaches
- Cyclists with a power meter
- Runners and triathletes
Tasks
- Planning a training block
- Reviewing session load
- Asking data questions
Scenarios
- The morning check-in
- Post-block analysis
- Building custom tools
Key features
Critical Power and W′ Modelling
Vekta models sustainable power and the finite reserve above it instead of a single threshold. The platform updates both from your normal riding, so the picture stays current without scheduled tests. You end up with a daily view of what you can hold and how much extra you have left. No lab days needed.
Durability Analysis
Durability shows how your power holds up as fatigue accumulates, which is often where races are decided. Vekta tracks this alongside Critical Power, so you can see whether the first two hours look like the last two. That reframes pacing questions around the closing part of a ride rather than the opening one. It's a genuinely different lens.
Load Separation
Vekta splits intensity and volume into separate signals rather than folding them into one score. Coaches can tell whether a heavy week came from more hours or harder efforts, and adjust the plan accordingly. Why does that matter? Because two athletes can post the same load number for opposite reasons, and the fix for each one looks nothing like the fix for the other. That's the whole point. It's a small difference in reporting that changes how you read a block.
Adaptive Zones
Zones shift as your model changes, so they track your current fitness instead of a number from months back. Sessions then prescribe against zones that reflect where you're at now. You stop redoing thresholds by hand to keep training relevant.
W′ Balance
W′ Balance estimates how much of your reserve is left during and after an effort. It's useful for planning hard intervals and understanding why a certain finish felt harder than the power suggests. For racing, it helps you decide when to spend that reserve. Simple as that.
AI Assistant and API
Connect Vekta to Claude or ChatGPT once and ask about your training in plain English. Under that sits an API with ten endpoints, most of them read, that returns the same modelled layer the platform runs on. It's free with any subscription, so a coach without a performance department can still get modelled answers to questions that used to need an analyst, a sports scientist and a budget to carry both.
Pros and cons
Pros
- Models Critical Power, W′ and durability together rather than reducing form to one number.
- Updates from normal riding, so no repeated threshold tests are needed.
- Coach accounts are free, which keeps the cost with athletes who pay per seat.
- The API is included with every subscription, including AI assistant access.
- Built with WorldTour teams, giving it a real-world testing base.
Cons
- Focused on endurance sport, so it isn't useful for strength or team-sport training.
- Relies on data from a power meter or heart rate strap, so sensor-free athletes get less.
- The depth of the model means new users face a learning curve before it pays off.
Frequently asked questions
Vekta is an AI training and coaching platform for endurance athletes. It models Critical Power, W′ and durability so coaches and riders can plan sessions and read training load with more context than a single threshold number gives.
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