A step-by-step workflow for coaches and testing providers to build metabolic testing into their business systematically, improving athlete retention, generating recurring revenue, and delivering clearer performance insights.
You’re not the first coach or testing provider to feel unsure about how to turn testing into a consistent, value-adding part of your business. Maybe you’ve wanted to start offering testing but never felt entirely clear on how to set it up.
Or perhaps you’ve been testing occasionally — but the workflow feels clunky, inconsistent, or too time-consuming to become a reliable part of your service.
And then there’s the bigger challenge most businesses quietly face: keeping clients long-term.
Getting new athletes on board takes time, marketing effort, and energy — and for many coaches, that’s not the most enjoyable part of the job. It’s also expensive. Losing clients at the end of a season or after a few months can create frustrating gaps in revenue and make it difficult to grow sustainably.
The good news is: both challenges can be solved together. When testing becomes a built-in, recurring part of your service, it not only creates a second, reliable revenue stream but also drives long-term athlete retention.
When implemented the right way it turns into a natural part of the coaching journey — something that gives athletes a clear reason to come back, again and again. And as a quiet but powerful side effect, regular testing elevates how coaches are perceived: they become recognized as authorities in performance physiology, which deepens athletes’ trust and long-term commitment.
In this article, we’ll share a proven workflow, an easy to follow manual, that’s been refined over more than a decade and successfully implemented by hundreds of coaches and testing businesses. It’s the same process that has helped many turn testing from an occasional extra into a core element of their service — one that drives athlete engagement, satisfaction, and long-term loyalty.
Watch this video to see the complete, real-world workflow that top coaches use to turn testing into a reliable, repeatable part of their business. In just a few minutes, Sebastian walks you through the full process.
Ready to go deeper? Scroll down to read the full article with examples, tips, and the complete step-by-step manual.
Before an athlete ever books a test, the journey starts with understanding. For most coaches, this means communicating — on their website, social media, or in personal conversations — why testing matters and what it actually delivers.
Not every athlete comes with the same level of knowledge. Some may have done lab or field tests before — lactate testing, VO₂, or metabolic testing — and already associate it with numbers, graphs, and data. Others are completely new to the idea and might not even see how testing fits into a coaching process.
The key for the coach is to speak to both — without overwhelming either.
A training plan is a process designed to improve performance. The goal might be to get faster, go longer, or complete a certain distance. But how to achieve that depends on identifying what truly limits performance. That could be something broad like body composition or something specific such as running economy, fat utilization, lactate accumulation, or anaerobic power.
The point is — the specifics don’t need to be explained in detail in your main messaging. In fact, they shouldn’t be. Too much technical talk can easily overwhelm athletes or even turn them away. Not every athlete wants to understand the data — and they don’t have to. That’s your role as the coach and expert: to read, interpret, and translate the data into clear, actionable training decisions.
So keep your communication non-technical and focused on what matters most to the athlete:
Avoid centering your message on the test itself — its technology, accuracy, or data richness — because that’s not what makes athletes book. Focus instead on the athlete’s perspective: testing provides direction, confidence, and a clear plan that makes their training more efficient and their results more predictable.
In the end, the message is simple: To improve effectively, you first need to know what to improve.
Testing provides exactly that — clarity. It tells both coach and athlete where the biggest potential lies and how to prioritize training for the best possible outcome.
Just like in any professional setting, progress starts with an assessment. When you take your car to a mechanic, you expect them to diagnose before repairing. When you visit a doctor, you expect them to identify the cause before prescribing treatment. When you consult a financial expert, they first analyze your situation before giving advice.
Training for a performance goal should be no different. Every serious process begins with understanding — and for athletes, that means testing.
Once an athlete understands the why behind testing, the next step in their journey should be straightforward: booking an appointment.
In a perfect world, this would happen automatically — right on your website or through a direct booking link. Integrate the call to action: like a button – directly on the same website or social media post you used to educate the athlete!
Online scheduling tools such as Calendly, YouCanBookMe, or similar platforms make this process seamless. These tools allow athletes to see your real-time availability, pick a slot that works for them, and book instantly. They connect directly to your personal calendar, ensuring there’s no double-booking or back-and-forth messaging.
Here’s an example.
P.S. If you’re a coach or lab not yet using INSCYD, feel free to book a free demo with us.
You can also set your pricing within the same tool and accept payments directly at the time of booking — making the process easy for both sides.
Ideally, this setup means a potential customer can visit your site, pick a date, pay, and receive an automatic confirmation — all without requiring your manual involvement.
However, automation alone doesn’t guarantee bookings. Even if everything works perfectly, a potential customer who doesn’t fully trust you won’t commit — especially when payment is required upfront.
Athletes might hesitate because they’re unsure about the value, uncertain about what happens if they need to cancel or reschedule, or simply not ready to buy from someone they haven’t interacted with before.
That’s why you need to do more than handle logistics — you need to build trust.
Here are key ways to achieve that:
“With INSCYD I was able to show my athlete that we need a different training approach"ERJU ZHANGINSCYD COACH”
“Using INSCYD PPD, I could clearly see his strengths and limitations.”MARK TURNBULLSparks Into Life”
“With the INSCYD metabolic breakdown data, it is easy to calculate what's possible.”MARKUS KINZLBAUERCoach of 6-Time Winner and Record Holder of the Race Across America”
“After starting with INSCYD, it was like a snowball effect. We went from having 20 runners in the program winning about 30 medals last year. This year our athletes won 160 medals with 23 champions, 29 Runners-Up (2nd) and 22 third place finishes."BEN TILUSXLR8 Performance Lab”
“The more we can understand how an athlete does what they are capable of doing, the better we can focus on what they need to do to get better. This is why I am happy to partner with INSCYD."David Tilbury-DavisWorld-renowned triathlon coach”
“INSCYD improves my ability to provide coaching guidance to athletes all over the world and know that we’re looking at the same data from a validated protocol.”Ryan KohlerFast Talk Labs Head Coach and Physiologist”
“Because of the INSCYD test I can now prepare for the upcoming seasons and finetune my trainings to reach my goals!”Vanessa ScaunetCross country runner”
“The INSCYD test opened my mind to an entirely new world of training and racing.”Lionel SandersProfessional IRONMAN athlete”
“While everyone is obsessed with power data, INSCYD enables me to go beyond the superficial and understand my body better.”Eli IserbytCyclocross professional”
“INSCYD brings more flexibility. You can do the metabolic test whenever you or your athletes need to do that. You don’t have to book the lab beforehand"MIKA LUOTOFINNISH TRIATHLON ASSOCIATION”
“INSCYD goes beyond power analysis and allows us to see what happens in the body on metabolic level at every type of intensity."Alpecin-Fenix Cycling TeamPerformance Department”
“INSCYD enables us to precisely capture key performance metrics of the energy metabolism of our swimmers”Dr. Alexander Törpel, PhDHead of Diagnostics, German Swimming Federation”
“INSCYD enables us to take real-world data from testing & training. This saves us time and effort, and refines the quality of our job."Patxi VilaHead of Performance Movistar Team”
“Thanks to INSCYD, my trainer and I always know where I currently stand and where I can improve my performance."Wout van AertTeam Jumbo-Visma”
“INSCYD looks inside the muscle and body in order to understand what’s happening based on a very limited number of measurements.“PROF. DR. FERRAN RODRIGUEZUNIVERSITY OF BARCELONA INEFC”
“INSCYD enables coaches to find that missing piece in training, to understand what is going on in the athlete's body and get the best out of them."Brijesh LawrenceTwo-time Olympic athlete”
“I am convinced by the effectiveness of INSCYD to improve performance – it has proven to be a very powerful tool for us.”DR. PHILIPPE HELLARDHEAD OF RESEARCH DEPARTMENT FRENCH SWIMMING FEDERATION”
“INSCYD testing helps my coaches to create the best training programs for us."Primoz RoglicTeam Jumbo-Visma”
People take action when two things come together:
When these two align — ease and value — you’ll find that most athletes start booking automatically.
Whether you test indoors in a lab or outdoors in the field, a professional and structured testing day follows the same principles: preparation, precision, and athlete experience. The goal is not just to collect data but to make the entire process seamless and valuable for both coach and athlete.
Below is a clear time-based guide you can follow or adapt to your specific environment.
Before the athlete arrives, everything should be ready. The smoother your setup, the more professional and confident the entire session will feel.
Checklist for preparation:
A professional setup before the appointment communicates competence and care — two things athletes immediately notice.
Greet the athlete personally. Take a few minutes for small talk and an informal check-in — how they feel, how training has been going, if they have any questions. Use the info you gathered before.
This short interaction sets a relaxed, professional tone and helps the athlete feel comfortable and confident in your process.
The athlete changes into appropriate clothing and gets ready for testing.
During this time, finalize your setup — for example:
Now comes the main part — the test itself. Regardless of whether you test in a lab or the field, the structure is the same.
Allow the athlete to warm up at low intensity. This also gives you the opportunity to double-check equipment, sensors, and sampling routines.
This part typically requires 5–6 lactate samples and lasts around 15–20 minutes.
For those using handheld analyzers, that means roughly 10–12 € / USD in consumables.
After the submax portion, the athlete completes one all-out effort to exhaustion — typically lasting 3–8 minutes.
Take lactate samples before and after this stage (another 4–5 strips).
This provides the necessary data to determine maximal lactate accumulation and anaerobic capacity.
In total, the complete testing session — warm-up, submax, and maximal — takes about 30 minutes and uses 10–12 lactate strips.
During the test, you can already enter lactate, power, speed, time, and heart rate data into your template or software.
After the test, the athlete can shower, recover, and change — this usually takes about 10 minutes.
Meanwhile, you:
That final step — the consultation and result discussion — is where value perception, trust, and retention really happen. It deserves its own section.
About ten minutes after the test is complete, you have a comprehensive metabolic profile ready to present.
At this point, you already know your athlete’s goals and now have the full physiological picture — VO₂max, VLamax, MLSS, FatMax, LT1, glycogen stores, and more. You see everything from lactate accumulation and recovery efficiency to fat and carbohydrate combustion, including individualized training zones.
All of this is available in the interactive INSCYD dashboard and summarized in a printed handout for the athlete.
You’ve reviewed the data and understand the story it tells — now it’s time for the most important part of the experience: the consultation.
You don’t need a conference room to make this professional. What matters is comfort and atmosphere. Create a calm, positive environment — a small table, chairs, maybe a coffee or snack.
Provide a branded sports bottle, an energy bar sample, or something similar. It’s a simple gesture that makes the experience memorable and builds goodwill — a small investment that often pays back in athlete satisfaction and upsell opportunities. This is because: if you give something it can create the feeling in the other person they also need to give something, hence making an upsell more likely.
Bring pen and paper to sketch ideas or visualize explanations. This makes the consultation personal and interactive, not just a data review.
Start by showing the report and giving a high-level overview.
Avoid going too deep into physiology — the PDF report already includes general explanations. Instead, walk the athlete through what they’re looking at and what the main sections mean.
This part is about orientation: helping the athlete feel confident and informed, not overwhelmed.
Now move into the personal part — the reason they came to you. Highlight the metrics that truly matter for this athlete and their goals. Whether that’s VO2max, VLamax, FatMax, or running economy, focus on what is most relevant to achieving their desired outcome.
Here’s where most testing stops short: in a traditional setup, you might only be able to say something like,
“A higher VO2max would be better,”
or
“You could benefit from a lower VLamax.”
But statements like these are too vague and intangible. They don’t show how much improvement is needed, or what that change would actually mean for performance.
This is where INSCYD’s virtual testing and performance projection changes the game.
Create a copy of the athlete’s current physiological profile, then edit it — increase VO₂max, lower VLamax, improve economy, reduce body fat, or any other factor. INSCYD instantly recalculates the complete metabolic profile and shows the exact impact of those changes on performance.
Now you can pinpoint:
Suddenly, the goal that once felt abstract — faster race pace, longer endurance, better fat utilization — becomes real and measurable. The athlete can see how reaching a higher VO₂max or improved FatMax directly moves them closer to their goal.
That’s what makes these performance projections magical — and uniquely powerful within INSCYD. They turn “you could be better” into “here’s exactly how you’ll get there.”
In almost every case, this leads to the athlete’s next question:
“How do I do that?”
At this moment, you’ve earned their trust. You’ve demonstrated that you understand both the science and their personal goals — and that you can translate data into a clear plan.
This is the ideal point to offer coaching or follow-up services.
You’re not selling — you’re simply continuing the logical next step in the athlete’s journey.
Here are three effective approaches:
Since retests are usually quicker (you save 10–20 minutes on setup and explanations), offering a 10–25% discount makes sense for both sides. Encourage booking right away while motivation is fresh — it’s far easier than chasing follow-ups weeks later.
This consultation is where trust, expertise, and business growth intersect.
You’ve shown that you’re more than a coach who runs tests — you’re a trusted advisor who can interpret, explain, and turn data into progress.
That credibility doesn’t end with the consultation. It creates lasting engagement — through coaching relationships, regular re-testing, and word-of-mouth recommendations.
Because when athletes leave your testing session with both clarity and confidence, they don’t just remember the data — they remember the experience.
Integrating testing into your business is far more than adding another service. It’s about creating a structured, repeatable system that delivers clarity for athletes and stability for your business.
When you follow this workflow, testing becomes the guiding thread through every stage of the athlete’s journey:
Thanks to INSCYD’s performance projections, this final step goes beyond explanation. You no longer say, “a higher VO₂max would help.” You show exactly how much higher it needs to be — and what concrete performance gain it will produce. This turns physiology into possibility: the athlete’s goal, which once seemed abstract, suddenly feels within reach.
That is the turning point where insight becomes action, and where athletes naturally choose to stay connected — through ongoing coaching, regular re-testing, and long-term trust.
This workflow has been refined over more than a decade, tested thousands of times, and proven to work for both coaches and athletes alike. It removes uncertainty, builds credibility, and creates sustainable business growth.
Because in the end, testing isn’t about data — it’s about direction. It’s the system that connects science, coaching, and business into one continuous process of improvement.
You’ve seen how a structured testing system transforms your coaching: clearer decisions, happier athletes, and predictable retention.
If you want to implement this workflow with confidence — from testing to projections to coaching upsells — book a free INSCYD demo and see exactly how it works in real life.
Bonus: And as a new INSCYD user, you can unlock Free Virtual Tests with the promo code “Virtual25”. Just mention the code during your call after booking your demo.
Finally, our team offers free service and consultancy to help you set up your testing routine, interpret your results, and even optimize your business model around it.
Download the INSCYD Testing Workflow Workbook and get step-by-step checklists, templates, and processes to integrate testing into your business smoothly. 👉 Get the free workbook
You’ll have all the tools, knowledge, and support to expand your service, increase your revenue, and strengthen your professional credibility — all while doing what you love: using science to help people perform, feel, and live better.
INSCYD gives you the tools to automate testing, streamline analysis, and deliver a professional experience that athletes trust.
VO₂max, VLamax, FatMax, thresholds, fuel use and training zones, from a single test in the lab, in the field or fully remote.
