Triathlon calculators and planning tools
Turn your own inputs into transparent planning scenarios. Every output is an estimate to test in training, not a performance or medical guarantee.
Assess
Compare readiness, distance fit, and training zones before choosing a plan.
Plan
Build a schedule, gear list, budget, or fueling scenario from explicit inputs you can revise.
Rehearse
Use pace, transition, and race-day tools to test a conservative execution plan before the event.
Assessment
Understand where you are and what you're ready for.
Can I Finish an Ironman?
Interactive assessment to find out if you're ready for an Ironman.
Use toolDistance Selector
Find the right triathlon distance based on your fitness and goals.
Use toolHeart Rate Zone Calculator
Find your heart rate training zones based on max HR or threshold.
Use toolFTP / Power Zone Calculator
Calculate your cycling FTP and power training zones.
Use toolFemale Training Adaptation
Training recommendations adapted to your cycle and energy.
Use toolPlanning
Map out your training, gear, and race strategy.
Triathlon Path Builder
Map your journey from beginner to your goal race distance.
Use toolGear Builder
Get a personalized gear checklist based on race and budget.
Use toolTube Picker
Find the right inner tube and valve length for your wheels and tires (Canyon Ultimate CF, Aeroad & more).
Use toolTire Pressure Calculator
Estimate front and rear tire pressure (psi and bar) from weight, tire width, and surface.
Use toolGear Upgrade ROI Calculator
See whether a gear upgrade is worth it with cost-per-use and a plausible time-saving range.
Use toolWetsuit Selector
Match water temperature, swim ability, and budget to the right wetsuit type, thickness, and legality.
Use toolTriathlon Checklist Builder
Build a personalized race day checklist by distance.
Use toolIronman Fueling Planner Pro
Build an hour-by-hour long-course fueling scenario from explicit planning assumptions.
Use toolRace Nutrition Calculator
Calculate carbohydrate from your hourly target and optionally total a rehearsed fluid and product-label sodium plan.
Use toolHydration & Electrolyte Calculator
Estimate a planning range from measured sweat loss and clearly stated assumptions; it is not a prescription.
Use toolTriathlon Cost Calculator
Estimate your total race budget by distance and gear level.
Use toolTime Planner
Build a realistic weekly training schedule from your available hours.
Use toolMissed Workout Adjuster
Find out what to do when you miss a training session.
Use toolRace Execution
Calculate splits, predict finish times, and simulate race day.
Triathlon Pace Calculator
Calculate your pace and split times for any triathlon distance.
Use toolFinish Time Predictor
Scale recent discipline splits with your own slowdown and transition assumptions, plus a sensitivity range.
Use toolTransition Time Estimator
Estimate and optimize your T1 and T2 times.
Use toolRace Day Simulator
Step-by-step timeline of race day from wake-up to finish.
Use toolOne practical triathlon decision each week
A useful decision, tool, checklist, or evidence-backed update for your next training block or race.
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