INSCYD for coaching businesses

Become a human performance lab

Add holistic performance assessment with gold-standard scientific accuracy. Turn your coaching business into a full-fledged performance center, and stop competing on coaching as your only revenue stream.

Coach reviewing an athlete's metabolic profile outdoors
VO₂max
60ml/min/kg
VLamax
0.5mmol/l/s
FatMax
355kcal/h
Fat & carb combustion

Trusted by some of the best coaches

From coaching staff of Professional Cycling Teams, Olympic federations, Universities and human performance labs worldwide.

Would you use physiology over
just power or speed?

We train to change an athlete’s physiology — and there’s more to training adaptations than a speed-duration curve, power-duration curve, or a single FTP number can show. Speed or power might change only slightly, or not at all, while the underlying physiology has changed through the training you prescribed.

Power duration curveLive
FTP300Wunchanged
5 second power974Wthe same athlete
VO₂maxaerobic power 0%
VLamaxglycolytic power 0%
Fat combustionaerobic fuelling 0%
Carbohydrate combustionglycolytic fuelling 0%
measured testafter the change

One athlete, one FTP. Watch what the number cannot see.

Same FTP.
Different physiology

FTP isn’t a metric like VO₂max or body fat that you can target directly. It’s the result of several physiological systems working together — a marker of performance, not a physiological system itself. So if you want to increase FTP, you need to change the physiology that creates it.

A
Athlete ARoad · diesel engine
Athlete A, fat-burning aerobic engine
Same FTP300 W
FatMax394 kcal/h
VLamax0.36 mmol/l/s
VO₂max57 ml/min/kg

Limiter · Fat-burning aerobic engine

VS
B
Athlete BRoad · glycolytic sprinter
Athlete B, glycolytic sprinter
Same FTP300 W
FatMax261 kcal/h
VLamax0.62 mmol/l/s
VO₂max66 ml/min/kg

Limiter · High glycolytic burn

Turn your existing data into a 360° physiological profile

A lactate step test, a critical power test, or plain field data with distance and time. INSCYD computes the full metabolic profile behind it, with gold-standard accuracy validated against lab testing.

The 360° metabolic profile
The data you already collect
Lactate profile curve
Blood lactate (mmol/L) across a step test
0 2 4 8 140 240 W 360 LT1 · 2 mmol LT2 · 4 mmol
Power curve
Mean maximal power (W) by effort duration
700 300 5s 1min 5min 20min 60min CP 290 W · asymptote

Drag the divider: the test you already run on the left becomes the full metabolic library on the right.

Not data.
But knowledge to act on

From identification of what limits performance to fueling plans to physiology based training zones.

Fueling in Training & Racing

Fueling to maximize performance and training adaptation

See how many grams of carbohydrate and fat an athlete burns at every intensity, and build the fueling plan based on those numbers.

  • Fuel to perform: ensure carbohydrate availability for high-intensity workouts.
  • Train at a high fat combustion rate to apply an additional aerobic stimulus.
  • Create a fueling and pacing strategy to ensure an athlete doesn't run out of fuel during races.
Triathlete taking an energy gel while riding his TT bike
Fat & carb combustion
FatMax
355kcal/h
CarbMax
204W
Performance limiters

See what limits performance

With all relevant physiological metrics in one view, you can identify what is limiting performance and determine exactly what to target in training. For example:

  • Quantify exactly how greater glycolytic capacity improves sprint performance and reduces the speed of lactate accumulation.
  • Quantify exactly how a higher VO₂max increases fat oxidation and reduces lactate accumulation at a given intensity.
  • Quantify exactly how improved economy translates into higher running or swimming speeds at the same physiological cost.
Distance runner at maximum effort
Metabolic fingerprint
VO₂max Threshold FatMax Economy Body comp VLamax
Limiter · VLamax
VLamax
0.52mmol/l/s
Physiology-Based Zones

Zones built on physiology, not extrapolated from threshold

Zones extrapolated from threshold don't create the same training stimulus for every athlete. Instead, build zones from each athlete's individual metabolism.

  • Define zones based on physiological markers such as FatMax, VLamax, lactate concentration, or VO₂max rather than extrapolating from thresholds.
  • Define specific efforts by combining intensity with duration or distance to create the desired training stimulus.
  • See how other physiological systems respond in each zone, such as the aerobic–anaerobic energy split or carbohydrate combustion rate and others.
Competitive pool swimmer
Zone Target Physiological Conditions
FatMax Power207[watt] Lactate con.1.4[mmol/l] Fat47[g/h] Carbohydrates82[g/h] AT63[%]
3min @ 90% VO₂max Power500[watt] VO₂max87[%] AT153[%] aerobic76.8[%] anaerobic23.2[%]
800m - lactate 8 Pace03:06[min:sec/km] VO₂max86[%] VLamax13[%] aerobic79.2[%] anaerobic20.8[%]
30" Sprint -50% anaerobic Pace02:44[min:sec/km] VLamax25[%] Lactate acc. rate6.3[mmol/l/min] aerobic50[%] anaerobic50[%]
Branded reports

Client-ready reports in one click

Automatically generate branded PDF reports for your athletes with a single click. No more manually piecing together raw test data.

  • Fully customizable, one-click PDF with up to nine graphs, each with explanation text, plus charts and tables.
  • White-label in your own brand, with editable text boxes for personal feedback.
  • Create Different Reports to reflect different product tiers and upsell to the next highest tier without the need to re-test. Just click a button - revenue scales uncoupled from workload.

Make the metrics you improve the metrics you track

Make a list of the physiological factors that actually determine performance: fat oxidation, carbohydrate use, economy, recovery, aerodynamics, and so on. Now make a second list: the metrics you actually track in training. If you can’t directly track the things you’re trying to improve, how do you know whether training is moving them in the right direction?

Beyond a single number

VO₂max, VLamax, FatMax, carbohydrate cost, recovery. Every driver of performance, not just FTP.

See the whole picture

Track multiple metrics on one chart, up to three axes side by side, and spot adaptations a single number misses.

Training block ROI

See exactly what six weeks of work changed, metric by metric.

Progress stories athletes trust

Clear, personalized visuals that show athletes their training paying off, in reports that carry your name.

Your chart, your story

Choose every metric and grouping. Up to three charts per sport, time-scaled or evenly spaced.

Any protocol

Field or lab, power based or lactate based. Same metrics, same chart.

From coaching only to a full performance expert

Build the physiological understanding to see beyond the training plan, connect the dots behind performance, and make coaching decisions with confidence. Grow into the kind of coach who understands not just what to prescribe, but why it works.

01 · Learn it

Build in online education

INSCYD College gives you interactive, on-demand courses and recognized certifications that turn complex sports science into practical knowledge you can apply directly to training.

Learn from scientific advisors to Olympic federations, Olympic coaches, leading scientists, and some of the most successful experts in endurance sports.

Interactive coursesCertificationOn demand
Explore INSCYD College
02 · Do it live

Coaching & Testing Camp

Cause and effect, not opinions. Four days on the physiological mechanisms behind performance, so by day 4 you can profile an athlete and make training and nutrition decisions straight from the data.

WorkshopsMasterclassesMentorship
See the 4-day program
03 · Never get stuck

Support at every step

Guided onboarding tours, video explanations and tooltips inside the app. Expert consultation calls, a help center and an AI chat that finds answers in seconds.

Guided onboardingHelp centerAI chat

Add a new revenue stream with your virtual human performance lab

Instead of sending athletes to a third-party testing facility, provide performance testing directly to your athletes. Lab-level accuracy, automated reporting, and no equipment overhead let you offer a premium service without adding significant workload.

  • Charge per test or include testing in premium coaching packages.
  • Test athletes remotely and scale beyond your local market.
  • Deliver the kind of performance profile athletes would otherwise only get from an advanced performance lab.
Coach reviewing his testing revenue on a tablet
+Metabolic test1 athlete+€149
+Test block6 athletes+€780
+Re-testafter 12 weeks+€129
+Coaching + testingmonthly plan+€340

See what testing adds to your business

EUR

01 · Coaching + testing package

Testing built into your coaching: every athlete tests each training block, so progress is visible and athletes stay.

€

Recommended: 4, one per training block. That is 80 tests inside coaching a year.

€

Recommended: below your standalone price, it is part of the package.

02 · Standalone testing

Athletes you test without coaching them. They book a slot, pay full price, and leave with a report under your name.

€

03 · Upsell from standalone

What standalone clients do next: they come back to re-test, or they join your coaching with the testing package.

%
%

Together with re-tests this stays under 100%: a standalone client can only do one of the two. Max right now: 50%.

Revenue increase with INSCYD
+€31,260additional revenue a year
156 tests a year in total · INSCYD at €42/test
Current coaching revenue€48,000 Coaching + testing package+€12,000 Standalone testing+€9,000 Re-test upsell+€4,500 Coaching conversions+€5,760 Additional revenue with INSCYD€31,260 Total revenue (Coaching + INSCYD)€79,260

INSCYD cost: €42 per test at your 156 tests a year, from the volume plans.

Take this calculation with you — we will send the full report to your inbox.

For a precise evaluation tailored to your coaching business, run the numbers with us on a call.

Book a demo

Reach new clients

Unlock opportunities to grow your coaching business with INSCYD's marketing network, reaching over 100,000 athletes every month.

Gain visibility. Get featured as an INSCYD coach and lab to connect with a global network of athletes seeking top-tier performance insights.

Professional marketing support. Use ready-made materials like videos, images and testimonials to attract clients to your testing services.

Explore the INSCYD Finder

Coaches already improving performance through physiology

"INSCYD improves my ability to provide coaching guidance to athletes all over the world, from a validated protocol."

Ryan Kohler
Ryan KohlerHead Coach & Physiologist, Fast Talk Labs

"With the INSCYD information it is much easier to target the specific training goal."

Ragnar Gudmundsson
Ragnar GudmundssonOptimizaR Sportstestcenter

"INSCYD gives a full spectrum of metrics every coach needs to have."

Filip François
Filip FrançoisOlympic mountainbike coach & co-founder, Built By Hard Work
Every metric that matters

One assessment. The complete picture of your athlete’s physiology.

VO₂max, VLamax, FatMax, thresholds, fuel use and training zones, from a single test in the lab, in the field or fully remote.