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What is Maximal Aerobic Speed (MAS) and How It Can Improve Your Performance

9/1/2025

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​​What is Maximal Aerobic Speed (MAS) and How Can It Benefit You?

Make sure you join us on the 23rd April for our live webinar looking at Maximal Aerobic Speed Conditioning in athletic performance. You can find all the details by clicking here
Maximal Aerobic Speed (MAS) is a measure of an athlete's cardiorespiratory fitness. It represents the fastest pace an athlete can sustain using their aerobic energy system without accumulating lactic acid, which can cause fatigue and lower performance.

The MAS test is simple yet effective for gauging cardiovascular fitness. Athletes run a set distance (e.g., 1.2 km or more) at maximum effort, with their MAS calculated by dividing the distance (in meters) by the time taken (in seconds). This score helps monitor progress and tailor training programs to enhance endurance and overall performance.

Benefits of Improving MAS

Training to improve MAS offers several advantages, including:
  • Better oxygen delivery to muscles.
  • Increased stamina for prolonged activity.
  • Enhanced physical fitness and overall performance.
Sample MAS Training Programmes

MAS-based training focuses on specific work-to-rest intervals to boost endurance. Typically they have a 1:1 work to rest ratio, so you would rest for the same amount of time that you work for. If you are working for 30 seconds, rest for 30 seconds.

How to Get Started
  • Perform a Time Trial: Run a distance of at least 1.2 km at maximum effort and time it accurately.
  • Calculate Your MAS: Divide the distance in meters by the time in seconds.
  • Use the Data: Input your results into a MAS calculator to create a personalized 4-6 week training program.​​
What is a Good MAS Score?

A good MAS (Maximal Aerobic Speed) score varies depending on age, fitness level, and sport. For recreational athletes, a MAS score of 3.8-4.2 m/s is considered solid, while elite athletes often achieve 4.4-5.5 m/s or higher. Scores above 5.0 m/s indicate exceptional aerobic capacity and endurance.

Knowing your MAS score helps you tailor training programs to improve speed and stamina effectively. Use our MAS calculator at Atlas High Performance to measure your score and set performance goals today!
Make sure you head over to our MAS calculator page to plan your training programme!
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  • Home
    • Contact
    • Meet the Team
  • WHAT WE DO
    • Adults >
      • PERSONAL TRAINING FOR PERFORMANCE
      • SMALL GROUP PERSONAL TRAINING
    • Youth Athletes >
      • SPEED SCHOOL
    • Team Strength & Conditioning Sessions
  • WHO WE HELP
    • Client Success Stories
    • What People Say About Us
  • FREE STUFF
    • EBOOKS >
      • Performance Nutrition Guide
    • ATLAS HIGH PERFORMANCE PODCAST
    • Written Articles