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MAXIMAL AEROBIC SPEED: A GUIDE TO IMPROVING ENDURANCE AND PERFORMANCE

21/3/2026

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MAXIMAL AEROBIC SPEED: A GUIDE TO IMPROVING ENDURANCE AND PERFORMANCE

For athletes involved in endurance sports - or any sport that requires sustained high-intensity effort - understanding your Maximal Aerobic Speed (MAS) can be a game-changer. While it's a concept often utilised by elite coaches and sports scientists, MAS is increasingly gaining attention among athletes at all levels. Knowing your MAS can help you tailor your training, improve endurance, and enhance your overall athletic performance.
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In this article, we’ll dive into the science behind MAS, how it impacts performance in endurance sports, and why every athlete should be aware of their MAS.

What Is Maximal Aerobic Speed (MAS)?

Maximal Aerobic Speed (MAS) is defined as the lowest running speed at which an athlete reaches their VO₂ max - the maximum rate at which the body can take in and use oxygen during exercise. Essentially, MAS is the speed you can sustain using your aerobic energy system, meaning the system that uses oxygen to fuel exercise. At this speed, your body can supply enough oxygen to the working muscles to maintain activity without producing excessive fatigue. If you push beyond your MAS, you start using your anaerobic energy system, which doesn't rely on oxygen but causes a buildup of lactic acid. Lactic acid accumulation can lead to muscle fatigue and a decrease in performance.

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Maximal Aerobic Speed Workouts: 3 Proven Sessions to Boost Endurance and Speed

21/3/2026

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⏱️ Need to find your MAS baseline first?
> You cannot run these intervals effectively if you are guessing your target times. Before you start programming these sessions, use our Free Maximal Aerobic Speed (MAS) Calculator to get your exact baseline score and target interval speeds.

​​3 Common Workouts Based on Maximal Aerobic Speed (MAS) Scores

Here are three effective MAS-based workouts tailored to improve your aerobic capacity, speed, and endurance:
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1. Short Intervals for Speed and Endurance

15 Seconds On, 15 Seconds Off @ 120% MAS
  • Objective: Develop aerobic capacity and improve high-speed endurance.
  • Work: Run for 15 seconds at 120% of your MAS.
  • Rest: Walk or jog for 15 seconds.
  • Reps: 8-12 repetitions per set.
  • Sets: 2-3 sets with a 4-minute rest between sets.
  • Example: If your MAS is 4 m/s, run 60 meters (4 x 15) in 15 seconds.

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

21/3/2026

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

What Is Maximal Aerobic Speed (MAS)?

Maximal Aerobic Speed, or MAS, is one of the most useful metrics for assessing an athlete’s aerobic fitness and endurance capacity. It refers to the minimum speed required to reach maximal oxygen uptake (VO₂ max), making it a practical way to measure how well an athlete can sustain high-intensity running efforts aerobically.
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For coaches, athletes, and sports scientists, MAS is a valuable tool because it helps take the guesswork out of endurance training. Instead of using generic running sessions, you can base training intensities on an athlete’s actual fitness level.

Whether you are a runner, field sport athlete, or coach working with a team, understanding MAS can help you programme more effectively, improve conditioning, and monitor progress over time.

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TOP 5 EXERCISES TO INCREASE YOUR SPEED

21/3/2026

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TOP 5 EXERCISES TO INCREASE YOUR SPEED

If you want to stand out on the pitch, raw effort isn't enough - you need explosive speed. At Atlas High Performance, our programmes are designed to make athletes faster, sharper, and undeniably confident when changing direction. We’ve reverse-engineered the proven sprint training methods of world-class coaches like Les Spellman, Tony Holler, and Speedworks to build the best athletic development program. Stop wasting time with generic fitness drills - here are the 5 best exercises for speed to help any athlete accelerate faster and leave the competition behind.

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Unlock Your Speed: 1-to-1 Performance Assessments at Atlas HPC

21/3/2026

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Unlock Your Speed:1-to-1 Performance Assessments at Atlas HPC

Are you working hard to run faster, move quicker, and boost your athletic performance but not sure where to start? Whether you're searching for the best speed exercises, workouts to improve sprint speed, or wondering how to increase speed for sports, it all begins with one thing: a clear understanding of your current performance.

At Atlas High Performance Centre, we offer Performance Assessments for Personal Training that break down exactly what you need to improve speed, acceleration, and overall fitness.

Ready to find out exactly where you're losing speed on the pitch?

👉 Click here to book your €149 Performance Assessment now

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Fitness Trackers - Are They Worth It?

21/3/2026

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Fitness Trackers - Are They Worth It?

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HR data taken from my Garmin Forerunner 235 during a recent resistance training session.
In a world where we are inundated with data on a daily basis, fitness trackers are all the rage. From Garmin, FitBit, Apple Watch, Huawei, Samsung and everything in between. There's so much choice out there, it's difficult to decide whether they are worth it or not? What happened to a good old casio, eh? This article won't be designed to tell you which one to get as it's very much personal preference. This article is more about what you should know before you by one, what to know while you have one and the pro's and cons of potentially having a smart watch/fitness tracker in your life.

I'll start by saying I currently own a Garmin Forerunner 235 and it's perfect for what I need it for. Tracking HR on a daily basis & tracking my runs (when I decide to go for one). Outside of that it's just a regular watch for me. While fancy gadgets can be nice to have and they almost act as a status symbol nowadays, it's important to know exactly how to use the data that your smart watch gives you. "Not everything that glitters is gold" , as the saying goes and the same holds true for these. Hopefully the following will help shed some light on that for you.

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Top 5 Performance Supplements for Athletes: What’s Worth Taking in 2026?

21/3/2026

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Top 5 Performance Supplements for Athletes: What’s Worth Taking in 2026?

When trying to gain a competitive edge on the pitch or track, many players search for the best supplements for athletes. While there is no magic pill, finding clean, performance-enhancing supplements can significantly improve your recovery, speed, and raw power. Here is our expert guide from Atlas High Performance Centre to the only sports nutrition supplements you actually need.

Remember: Supplements are meant to supplement a solid nutrition foundation - not replace it. There are only a handful of performance supplements that genuinely move the needle. Here is your starting lineup.

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Best Exercises to Improve Sprint Speed

21/3/2026

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Best Exercises to Improve Sprint Speed

Sprinting is the ultimate competitive advantage, whether you’re a GAA forward, a rugby winger, or a track athlete. If you want to increase your sprint speed, raw effort isn't enough. The key is to develop explosive power, efficient mechanics, and massive force production.

Many local athletes search for how to get faster, but the reality is that the best approach requires a combination of specific sprint drills, strength training, and plyometrics. Below, the coaches at Atlas High Performance break down the best exercises for speed so you can start training smarter right here in Limerick.​

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Understanding the Force-Velocity Curve | Atlas High Performance

15/3/2026

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Understanding the Force-Velocity Curve | Atlas HPC Limerick

In athletic development, the ability to produce high levels of power is the primary differentiator between average and elite performance. To optimise power output, coaches and sports scientists rely on a foundational biomechanical concept: the Force-Velocity Curve.

Understanding this inverse relationship allows us to move away from generalised programming and implement targeted, objective training interventions based on an athlete's specific physiological deficit.
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    Check out our most read blog article of the year on "5 Best Exercises for Sprint Speed"

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  • Home
    • FREE STUFF >
      • Maximal Aerobic Speed (MAS) Calculator
      • Calorie & Hydration Calculator
      • Performance Nutrition Guide
      • ATLAS HIGH PERFORMANCE PODCAST
      • Written Articles
  • WHAT WE DO
    • PERSONAL TRAINING FOR PERFORMANCE
    • YOUTH ATHLETES SPEED TRAINING
    • Team Strength & Conditioning Sessions
  • WHO WE HELP
    • ENDURANCE RUNNERS >
      • Gianni Ciappara
    • Client Success Stories
    • What People Say About Us
  • Performance Workshops