Free Triathlon Readiness Tool

IronReady Triathlon Analyzer

Assess your swim, bike, and run readiness for any triathlon distance — from sprint to full Ironman. Get a personalized race readiness score, training gap analysis, and AI-powered coaching recommendations.

MD, MPH — Board-Certified Internist FACP — Fellow, American College of Physicians 36+ Years Clinical & Triathlon Experience

Why Triathlon Readiness Assessment Matters

Completing an Ironman or any triathlon demands balanced preparation across three disciplines, plus transitions, nutrition, and recovery. Understanding your readiness gaps — before race day — is the single most important thing you can do to finish strong and stay healthy.

Swim Readiness

Open water swimming demands specific skills beyond pool fitness. Your pace, endurance, and open water experience determine whether the swim sets you up for a strong race or leaves you depleted before T1.

Bike Fitness & Power

The bike leg is where races are won or lost. Your FTP-to-weight ratio, longest ride, and nutrition-on-bike strategy directly predict whether you'll run strong or limp to the finish.

Run Off the Bike

Running on fresh legs and running after 56–112 miles of cycling are completely different. Brick workout experience and pacing discipline determine your marathon or half-marathon performance.

Training Load Balance

Overtraining is the leading cause of DNS (Did Not Start) on race morning. The acute-to-chronic workload ratio reveals whether your training is building fitness or breaking you down.

Recovery & Health

Sleep quality, HRV trends, and key biomarkers like ferritin and vitamin D directly impact endurance performance. Athletes who optimize recovery outperform those who only train harder.

Race-Day Nutrition

An unpracticed nutrition plan is the most common reason athletes DNF (Did Not Finish). Knowing your caloric needs, hydration rate, and GI tolerance before race day is non-negotiable.

Want Lab Data to Enhance Your Analysis?

Optional blood biomarkers like ferritin, vitamin D, hemoglobin, and hs-CRP provide deeper insight into your physiological readiness. Order your own labs — no doctor's visit needed in most states.

Note: Direct-to-consumer lab ordering is not available in NY, NJ, RI, or HI due to state regulations.

Assess Your Triathlon Readiness

Complete the sections below for your personalized IronReady™ Score. Required fields are marked with *

1 Athlete Profile & Race Goal
lbs
inches
2 Swim Assessment
meters
min:sec
Your comfortable, sustainable pace (not all-out sprint)
min:sec /100m
From a 400m TT minus 200m TT test
3 Bike Assessment
miles
watts
From a 20-min test or recent ramp test
hours
4 Run Assessment
miles
min/mile
min/mile
miles
5 Brick & Multi-Sport Training
hours total
6 Recovery & Health Status
bpm
ms
Comma-separated; helps personalize recommendations
7 Race-Day Nutrition & Logistics
cal/hr

If you have recent lab results, entering these values unlocks a deeper physiological readiness assessment. All fields are optional.

ng/mL
Key marker for endurance athletes; low ferritin impairs performance
ng/mL
g/dL
mg/L
Inflammation marker; elevated values signal recovery issues
mIU/L
ng/dL

Analyzing Your Triathlon Readiness

Please wait — do not press back or refresh

  1. 1 Evaluating swim, bike, and run benchmarks against your target distance...
  2. 2 Analyzing training volume, brick sessions, and race-specific readiness...
  3. 3 Assessing recovery markers, health status, and nutrition preparedness...
  4. 4 Generating personalized IronReady™ Score and coaching recommendations...

This typically takes 30 to 60 seconds — we are applying sport-science models and AI clinical analysis.

Your IronReady™ Score
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out of 100
Swim
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Bike
--
--
Run
--
--

Training Volume

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Recovery Status

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Race Nutrition

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Brick & Transitions

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⚠️ Your Primary Limiter

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🧠 AI-Powered Coaching Analysis

💾 Download Your IronReady™ Report

📧 Email Your Results

🔒 Your email is used solely to deliver your report. No health data is stored.

The IronReady™ Triathlon Analyzer uses a composite scoring model informed by published research in exercise physiology, sports science, and triathlon-specific performance literature.

Scoring Domains & Weights

The 0-100 composite score is weighted across six domains, with weights adjusted by target race distance:

  • Swim Readiness (15-20%): Pace benchmarking, endurance volume, open water skills, CSS analysis
  • Bike Readiness (25-30%): FTP/weight ratio, longest ride vs. race distance, weekly volume, nutrition strategy
  • Run Readiness (25%): Pace sustainability, volume adequacy, off-the-bike experience, injury status
  • Training Volume & Progression (10%): Multi-sport balance, weekly hours, periodization phase
  • Recovery & Health (10%): Sleep, HRV, fatigue markers, biomarker optimization
  • Race-Specific Preparation (10%): Brick frequency, race simulation, transition practice, nutrition rehearsal

Key Scientific References

  • Gabbett TJ. The training-injury prevention paradox. Br J Sports Med. 2016;50(5):273-280.
  • Plews DJ, et al. Training adaptation and heart rate variability in elite endurance athletes. Int J Sports Physiol Perform. 2013;8(6):688-694.
  • Bentley DJ, et al. Specific aspects of contemporary triathlon. Sports Med. 2002;32(6):345-359.
  • Mujika I, et al. Scientific bases for precompetition tapering strategies. Med Sci Sports Exerc. 2003;35(7):1182-1187.
  • Jeukendrup AE. Nutrition for endurance sports. J Sports Sci. 2011;29(sup1):S91-S99.
  • Banister EW, Calvert TW. Planning for future performance. Can J Appl Sport Sci. 1980;5(3):170-176.

Educational Use Only

This tool is for educational and informational purposes only. Results are not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare provider before making changes to your training, nutrition, or health regimen.

AI Disclosure

This tool uses AI-powered analysis (Claude Opus 4.6 by Anthropic) to generate personalized coaching recommendations. The AI model operates under physician-designed clinical guardrails. For complete details, see our AI Use Disclosure.

Privacy

Your training data is processed in real-time and is not stored on our servers after your session. Email delivery uses Resend for secure transmission. No health data is retained, shared, or sold.

Training Limitations

This analyzer provides general readiness assessments based on self-reported data. Actual race performance depends on many factors not captured here, including weather, course specifics, equipment, mental preparation, and race-day execution.

Accessibility

This tool is designed to meet WCAG 2.2 Level AA accessibility standards. If you encounter accessibility barriers, please contact us at [email protected].

Emergency

If you are experiencing a medical emergency, call 911 or your local emergency services immediately. Do not use this tool for emergency medical decisions.