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Long Distance Running Efficiency, Economy Does not Decline with Age

Updated on November 17, 2016
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Dr John applies his Biochemistry & Physiology research background (PhD) to develop reviews of exercises, training, run, walk, workouts, gym

It would seem obvious that the efficiency shown by older runners would decline with age and that this would partially explain the decline in performance with age.

Studies have shown that the performance of senior male and female athletes declines about 3.4% per year , initially slowly from age 50 to 75 years and more dramatically after and age or 75 years.

Men showed no difference in decline of sprint and endurance events, whereas the sprint decline was greater than in endurance events for women, especially after the age of 75 years.

However recent research has shown that this decline in performance was not due to a deterioration in the efficiency with which older runners ran.

Maintaining the ideal stride length for your age is also very important.

Research Study Findings

Investigators studied a total of 51 competitive athletes, who ranged in age from 18 years to 77 years of age.

The study was published in the Journal of Strength and Conditioning Research.

Each runner was super fit and trained regularly and was the best of the best, with a top three placing in their age group for the local 10-kilometer or 5-kilometer road races.

Their running efficiency was measured by how much oxygen an athlete consumed to run at a particular speed. The key findings were:

► Economical and fit runners will be less constrained by restrictions in oxygen uptake rates and will outdistance and run faster over long distances.

► Contrary to expectations, efficiency did not decline with age. Older athletes consumed similar amounts of oxygen at the same speed as younger athletes.

Exercise economy (i.e. metabolic cost of sustained sub-maximal exercise) does not change with age in endurance-trained adults.

► However, older runners are slower overall than younger runners.

Performance Limitation of Older Athletes

Their VO2 max, which is a measure of the body's capacity to use oxygen during exercise and transport it, was significantly lower in older athletes as was their maximal heart rates.

These two things set limits on their maximum performance.

► At moderate speeds they are just as efficient, but they cannot sustain the higher speeds that they used to do as young athletes.

The progressive reduction in VO2max with age appears to be the primary mechanism accompanied by decreases in the maximal stroke volume and heart rate. See: Endurance exercise performance in Masters athletes: age-associated changes and underlying physiological mechanisms.

► Older athletes cannot maintain the same level of training as they did when they were younger.

► This applies to the intensity (speed) and volume of the exercise that can be performed during training sessions.

Other Causes of Declining Performance with Age

The researchers also looked at other factors that may contribute to the decline in performance with age – power, strength and flexibility, to see whether these factors could perhaps explain why running performance declines with age, despite overall efficiency and economy at sub-maximal performance levels being independent of age. Their findings were:

► The older runners showed significantly worse results for all three of these measures.

► Strength in the upper-body is required to help drive runners uphill and to maintain leg turnover.

► Muscle power, which is how fast the strength is developed determines how well runners can change pace or direction or run up hills.

► Flexibility determines step frequency and stride length.

These findings should not be regarded as negative. Strength does declines with age, but the decline can be minimized and delayed by strength training.

Retention of Muscle Mass

Other studies have shown that older athletes do not show the decline in muscle mass that occurs with most people as they get older.

► It appears to be a matter of "If you don't use it - You will Lose it". See Muscle Loss with Age | If you Don't Use it You Will Lose It!

► It appears that the maximum performance of older athletes is far below their potential.

► The average finishing time for the fastest group of men older than 60 in the New York Marathon has dropped by more than seven minutes over the last few years.

► For older women, the race times have declined by more than 16 minutes.

► Older runners have probably not yet reached their limits in marathon performance.

Decline in Strength with Age
Decline in Strength with Age
Decline in Muscle Mass with Age
Decline in Muscle Mass with Age
Endurance performance and Masters athletes
Endurance performance and Masters athletes | Source

© 2011 Dr. John Anderson


Submit a Comment

  • CyclingFitness profile image

    Liam Hallam 

    6 years ago from Nottingham UK

    Nice article. Would have liked to have seen the actual article you have extracted the information cited somewhere instead of just a link to your link to the pdf of the info.

    You may need to consider a little editing of your images as it leaves a huge white gap on the left side

  • bloggernotjogger profile image


    6 years ago from La Cala de Mijas, Spain

    Great article! I´m 48 years old and just started running again. I haven´t run in years, but it´s coming back very quickly. My aim is to run the Málaga marathon in a couple of years, when I turn fifty. I´ll probably run it the year before as well just to prep. I want to win my age category, so I have lots of training ahead. Btw, excellent use of graphs. I´m going to have to look at this a few times.


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