Test yourself. Learn your body.
These tools can help you think through a training question, compare priorities, or estimate a starting point. Pick one that looks useful. They're free to use, with no email required.
Find your problem
Diagnostics that show you what's actually holding you back.What type of athlete are you?
Five questions map where you sit between performance, aesthetics, and longevity — your archetype, your blind spot, and what to train next.
Take the test →Movement Self-Screen
A guided self-assessment that flags the movement patterns most likely behind your recurring pain — before anyone touches a barbell.
Start the screen →Bottleneck Finder
Ten questions across sleep, nutrition, stress, training, and recovery reveal the one pillar quietly capping all your progress.
Find your bottleneck →Find Your Weak Link
Eight questions plus optional guided self-tests find the single weakest link in your chain — the thing worth fixing first.
Find your weak link →Recovery Reality Check
For adult and masters runners: an honest check across sleep, load, soreness, resting HR, stress and fuel — recovering, accumulating fatigue, or flashing red flags?
Check my recovery →Make the call
Decision tools for the trade-offs every athlete has to make.The Trade-Off Map
You get 12 points to spend across endurance, strength, leanness, longevity, recovery and more. Move one and watch what it costs the others.
Explore the map →Cost · Speed · Quality
Pick any two — the triangle shows what the third one costs you, and which way of working actually fits your goal.
Pick your two →The Certainty Ladder
Five rungs from doubt to decision. See where your hesitation really lives — and the next honest step up.
Climb it →DIY · Done-With · Done-For
How much support do you actually need? Compare doing it yourself, with a coach, or fully handed off — honestly.
Find your level →Price · Cost · Value
What you pay vs. what staying stuck costs vs. what a fix is worth. The three numbers people confuse — side by side.
Run the math →Pay Now or Pay Later
The compounding cost of putting it off, drawn as two curves. See what "I'll deal with it later" actually adds up to.
See the curves →Miles vs. Iron
Runner who lifts, or lifter who runs? Five sliders find your right endurance-to-strength blend — and what each side costs.
Find your blend →Flip the Loop
The pain spiral, the Monday restart, the intensity trap. Pick the loop you're stuck in and see how it flips the other way.
Flip yours →The Restart Ramp
Coming back after time off? Six questions build your week-one ramp so you restart smart instead of getting hurt again.
Build your ramp →Know your numbers
Calculators that turn guesswork into a starting point.TDEE Calculator
Estimate your daily energy needs and explore protein and macro targets as a starting point.
Calculate mine →One-Rep-Max Estimator
Know your true max from a set you already did — no risky ego-testing — plus the exact working weight for every rep range.
Estimate my max →Goal Timeline
How long it actually takes to reach your goal weight — an honest window at a sustainable pace, not a crash-diet fantasy date.
Map my timeline →Optimal Vitality Index
Turn a blood panel into a clear picture across 13 body systems — and know which markers are actually worth testing.
In the lab…Want to talk through
what you found?
A tool gives you a starting point. If you'd like help putting it in context, tell me about your training on a free Fit Call.