Triathlon Tools

18 tools available

Connect the swim, bike, run, and transitions before race morning. The triathlon collection combines discipline-specific calculators with time budgets, pacing, fueling, hydration, taper, and checklist tools.

  • Build a time budget
  • Plan race nutrition
  • Prepare race morning

From a finish scenario to race-morning preparation

Build a discipline-by-discipline scenario, check it against the total goal, then organize the timing and equipment decisions you control.

Run-Walk Strategy Calculator

Calculate finish time and average pace for timed run-walk intervals.

RunningTriathlon

Cycling TSS Calculator

Estimate Training Stress Score from duration, NP, and FTP.

CyclingTriathlon

Swim Interval & Send-Off Planner

Build repeat times, send-offs, distance, and total set time.

SwimmingTriathlon

Open-Water Sighting Cost Calculator

Estimate open-water distance and added time from a course, pace, and chosen extra percentage.

SwimmingTriathlon

Carbohydrate Loading Planner

Calculate a transparent daily carbohydrate range by body mass.

NutritionRunningTriathlon

Hydration Bottle Planner

Turn an hourly fluid target into total fluid and bottle count.

NutritionCyclingTriathlonGeneral

Race-Morning Timeline Planner

Work backward from the start time to key race-morning actions.

GeneralRunningTriathlon

Triathlon Time Budget Calculator

Check whether planned legs and transitions fit a finish-time goal.

Triathlon

Triathlon Race Day Checklist

Build, save, reorder, and share a customizable race-day gear and preparation checklist.

TriathlonGeneral

PacePro - Race Pace Calculator

Calculate running pace per km and mile, cumulative race splits, and equivalent times for 5K, 10K, half marathon, or marathon goals.

RunningTriathlon

Triathlon Predictor

Calculate Sprint, Olympic, IRONMAN 70.3, or full-distance triathlon time from swim pace, bike speed, run pace, T1, and T2.

Triathlon

Marathon & Race Pace Planner

Build kilometer or mile race splits with even, positive, or negative pacing strategies.

RunningTriathlon

Endurance Fuel & Hydration Starting Points

Plan carbohydrate guidance by session duration, then calculate fluid and sodium totals from athlete-entered rates in metric or imperial units.

NutritionRunningCyclingTriathlon

Cycling Power Zones (FTP)

Calculate seven contiguous cycling power zones in watts from FTP, including recovery, endurance, threshold, VO2 max, and sprint ranges.

CyclingTriathlon

CSS Swim Pace Calculator

Calculate Critical Swim Speed from 400m and 200m time trials, with training pace per 100 meters and 100 yards plus longer splits.

SwimmingTriathlon

Swim Pace Converter

Enter a 100, 200, or 400 meter or yard swim time to calculate pace per 100m and 100yd, then estimate longer pool and triathlon times.

SwimmingTriathlon

Race Taper Volume Calculator

Explore one illustrative exponential pre-race relative-volume curve.

GeneralTriathlon

Cycling CdA & Wattage Estimator

Roughly estimate aerodynamic drag and level-ground wattage using rider and bike mass.

CyclingTriathlon