Could The Quarter (400-Meter Run) Be The Best Fitness Metric For Longevity?

What if running one lap around the track could reveal more about your longevity potential than any other fitness test?

The 400-meter run is known in track and field as the “race of truth,” challenging your fast-twitch and slow-twitch muscle fibers, aerobic and anaerobic energy systems, and your ability to maintain your technique as fatigue sets in. I revere it as the single best longevity marker known.

In this episode, I explain why mainstream fitness programming emphasizes aerobic conditioning while often neglecting the speed, power, and explosiveness that decline much more rapidly with age.

I also discuss research linking mile-run performance at age 50 with the potential to reach 80 in good health, and share my age-graded 400-meter chart, which lets you compare your time with performance standards for your age, all the way to 100.

 

TIMESTAMPS:

The nickname for the 400 meter run is the Race of Truth. That is one lap around the typical track. [01:01]

For the first seven seonds you are running on stored phosphocreatine which is the energy stored directly inside the muscle cell that exhausts quickly. [03;24]

Thje enxt phase is called anaerobic glycolysis that is burning sugar glycolysis without oxygen. [04:27]

The 400 is an all out examination for all the energy systems, not just a very narrow sliver of your fitness capabilities [07:50]

Humans are the greateast endurance creatures on earth. [10:24]

Brad contends that tracking your performance in the 400 meters reveals more about fitness and longevity potential than any other fitness or even medical marker. [11:17]

Brad explains how to analyze your performance on the chart on his website: "Age-Graded Longevity Performance Standards" [13:30]

One can expect about a 6% decline per decade. [18:12]

 

LINKS:

• Brad Kearns.com
• BradNutrition.com
• B.rad Whey Protein Superfuel - The Best Protein on The Planet!
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• Brad’s Shopping Page
• BornToWalkBook.com
• B.rad Podcast – All Episodes
• Peluva Five-Toe Minimalist Shoes

• Age-Graded Longevity Performance Standards

 

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