Training Tools
A comprehensive suite of evidence-based calculators and planners for endurance and hybrid athletes. Predict pacing, plan nutrition, optimize gear, and manage physiological stress.
Triathlon Race Pace Predictor
Calculate your predicted finish time for Sprint, Olympic, 70.3, or Ironman based on your current standalone paces and endurance degradation factors.
Training Stress (TSS) Estimator
Estimate the physiological cost of your workouts using RPE (Rate of Perceived Exertion) and duration to understand your fatigue runway.
Hybrid Athlete Week Split Builder
Plan your weekly schedule. See the interference effects of combining heavy strength training with endurance workouts.
Optimal Tyre Pressure
A highly sophisticated physics-based calculator that optimizes your casing tension against surface impedance for maximum speed.
Running Pace Calculator
Calculate your required pace, predict finish times, and convert running pace to equivalent speed (km/h and mph).
Race Day Checklist
Smart packing planner that adapts to your event distance and weather conditions. Never forget essential gear again.
Race Nutrition Calculator
Evidence-based carbohydrate, sodium, fluid, and caffeine targets for triathlon, cycling, and running events.
Heart Rate Zones Calculator
Calculate your exact endurance training zones using the RESILIENTO LTHR model.