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Race Finish Time Predictor

Health & Body

5K/10K/half/full marathon — Riegel formula

Quick Answer

Race Finish Time Predictor: 5K/10K/half/full marathon — Riegel formula. T₂ = T₁ × (D₂ ÷ D₁)^1.06.

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How to Use

  1. Enter body metrics: fill height, weight, age etc. as prompted by the Race Finish Time Predictor.
  2. Read value and grade: results appear instantly with an authority-based classification.
  3. Check reference tables: confirm your range and healthy targets against the tables on this page.
  4. Back-solve your goal: adjust inputs to see what it takes to reach a target.

Key Points

  • Race Finish Time Predictor is a free online health tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: 5K/10K/half/full marathon — Riegel formula.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Riegel formula

T₂ = T₁ × (D₂ ÷ D₁)^1.06
Predicts finish time from a known race result

FAQ

How do I use the Race Finish Time Predictor?
Open the page and fill in the input fields — results update automatically. 5K/10K/half/full marathon — Riegel formula.
Are the results accurate?
Results follow published international standards (WHO, ACE, IOM) and are for reference only.
Can this replace medical advice?
No. Always consult a qualified healthcare professional for health decisions.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on all devices.

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Source & Updates

Based on WHO, ACE, IOM and other published international standards. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Cite this page: YiJianSuan. Race Finish Time Predictor[EB/OL]. https://www.yijiansuan.com/en/c/health/marathon

Results provided by this tool are for reference only and do not constitute professional advice.