Mycalculating.com

Try Our AI Tool

Back to Health & Fitness

Maximal Aerobic Speed (MAS) Calculator

Calculate your MAS from a time trial and get personalized training paces.

Maximal Aerobic Speed (MAS)

Estimate MAS from a 3–6 minute all-out time trial.

Understanding the Inputs

Ensure an accurate, safe maximal effort

Time trial distance (m): Meters covered during an all-out effort (commonly 1000–2000 m).
Minutes: Whole minutes of trial time.
Seconds: Remaining seconds of trial time (0–59).

Related Calculators

Layer MAS with other endurance tools

VO₂ Max Calculator

Track aerobic capacity side-by-side with MAS.

Running Economy

Improve efficiency to translate MAS into performance.

Critical Power

Set endurance training zones with power-duration data.

Intermittent Fasting

Coordinate fueling strategies with hard sessions.

Complete Guide: Using MAS in Training

MAS provides a practical anchor for VO₂max intervals and easy-run pacing. Pair it with economy drills, long easy mileage, and progressive overload. Retest every cycle to recalibrate paces and track progress without laboratory testing.

Frequently Asked Questions

Detailed, SEO-oriented answers

What is MAS?

Maximal Aerobic Speed (MAS) is the minimal running speed at which VO₂max occurs. It is typically derived from an all-out time trial of 3–6 minutes and used to set training intensities.

How do I test for MAS?

Perform an all-out time trial on flat terrain or a track. Enter the distance covered and total time; the calculator outputs speed and training guidance.

What is a good MAS value?

Values vary widely by fitness level. Track your own changes over time rather than comparing to others.

How do I use MAS in training?

Intervals at ~100–120% MAS improve VO₂max and speed; easy runs at 60–75% MAS build aerobic base.

How often should I retest?

Every 6–8 weeks is typical, or after a block of VO₂-focused training.

Does terrain affect MAS?

Yes—hills, wind, and surface type can skew results. Test in consistent conditions.

Is heart rate useful with MAS?

Yes. Use HR to monitor internal load while MAS provides external intensity.

Can beginners use MAS?

Yes, but start conservatively and prioritize technique and aerobic base.

Is MAS the same as vVO₂max?

Closely related; MAS is often used interchangeably with vVO₂max in field settings.

Should I warm up before testing?

Absolutely—include easy running and strides to ensure an accurate, safe maximal effort.

Embed This Calculator

Add this calculator to your website or blog using the embed code below:

<div style="max-width: 600px; margin: 0 auto;">
  <iframe 
    src="https://mycalculating.com/category/health-fitness/maximal-aerobic-speed-mas-calculator?embed=true" 
    width="100%" 
    height="600" 
    style="border:1px solid #ccc; border-radius:8px;" 
    loading="lazy" 
    title="Maximal Aerobic Speed Mas Calculator Calculator by MyCalculating.com"
  ></iframe>
  <p style="text-align:center; font-size:12px; margin-top:4px;">
    <a href="https://mycalculating.com/category/health-fitness/maximal-aerobic-speed-mas-calculator" target="_blank" rel="noopener">
      Use full version on <strong>MyCalculating.com</strong>
    </a>
  </p>
</div>

Open in New Tab

Maximal Aerobic Speed (MAS) Calculator

Calculate your MAS from a time trial and get personalized training paces.

How to use Maximal Aerobic Speed (MAS) Calculator

Step-by-step guide to using the Maximal Aerobic Speed (MAS) Calculator:

Enter your values. Input the required values in the calculator form
Calculate. The calculator will automatically compute and display your results
Review results. Review the calculated results and any additional information provided

Frequently asked questions

How do I use the Maximal Aerobic Speed (MAS) Calculator?

Simply enter your values in the input fields and the calculator will automatically compute the results. The Maximal Aerobic Speed (MAS) Calculator is designed to be user-friendly and provide instant calculations.

Is the Maximal Aerobic Speed (MAS) Calculator free to use?

Yes, the Maximal Aerobic Speed (MAS) Calculator is completely free to use. No registration or payment is required.

Can I use this calculator on mobile devices?

Yes, the Maximal Aerobic Speed (MAS) Calculator is fully responsive and works perfectly on mobile phones, tablets, and desktop computers.

Are the results from Maximal Aerobic Speed (MAS) Calculator accurate?

Yes, our calculators use standard formulas and are regularly tested for accuracy. However, results should be used for informational purposes and not as a substitute for professional advice.