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Joe Friel

Helping endurance athletes stay current on the science and art of training

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Training

The Efficiency Factor in Running

November 7, 2014

High performance runners are typically very efficient. One can observe this just by watching them run: there is no apparent wasted energy. They look very graceful. Their efficiency can actually be … [Read more...] about The Efficiency Factor in Running

Filed Under: Training

Polarized Training Update

October 31, 2014

In December last year I posted here a review of some of the research about a way of training that scientists call “polarized.” That’s just a catchy way of saying do workouts with an intensity … [Read more...] about Polarized Training Update

Filed Under: Training

Rest and Recovery

October 23, 2014

Almost four months. I believe that's the longest time I've ever gone without posting to my blog in more than six years. Several readers have emailed asking if everything is ok. I really … [Read more...] about Rest and Recovery

Filed Under: Training

High-Intensity Interval Duration

July 6, 2014

I've finally got the manuscript written for the book on aging athletes I've mentioned here several times. The working title is "Fast After 50," and it will probably be ready by the … [Read more...] about High-Intensity Interval Duration

Filed Under: Aging, Training

Common But Confusing Training Terms

June 13, 2014

I'd like to define some sports science terms that I frequently get asked about. Note that not everyone in the field of sport science will agree with me on each of these definitions. Scientists can—and … [Read more...] about Common But Confusing Training Terms

Filed Under: Training

Sleep and Recovery, Part 2

May 30, 2014

The following is a continuation of "Sleep and Recovery, Part 1" on the same topic—sleep as the primary producer of recovery for athletes—from my book Fast After 50. The REM and Slow Wave (N3) Stages … [Read more...] about Sleep and Recovery, Part 2

Filed Under: Aging, Training

Update on Prescription Sunglasses

May 27, 2014

I just got a new pair of Oakley prescription sunglasses from my sponsor, ADS Sports Eyewear in Richardson, Texas. I used to think that I only needed one pair of sunglasses and they would take care of … [Read more...] about Update on Prescription Sunglasses

Filed Under: Training

Sleep and Recovery, Part 1

May 18, 2014

The following is an excerpt from my book "Fast After 50." Even though the book's market is for 50+ aged athletes, I'm sure much of what I've written here on sleep is applicable across the board … [Read more...] about Sleep and Recovery, Part 1

Filed Under: Aging, Training

London World Triathlon Series Stats

May 15, 2014

The International Triathlon Union (ITU) produces a series of eight races around the world with separate elite and age group competitions. The London event is the weekend after next in Hyde Park. The … [Read more...] about London World Triathlon Series Stats

Filed Under: Training

Basic Questions About Power Meters

April 25, 2014

A UK-based magazine - Cycling Plus - recently asked me some questions for a piece they are working on regarding getting started with power-based training. I thought they were good ones, especially for … [Read more...] about Basic Questions About Power Meters

Filed Under: Training

Airbus Symposium

April 19, 2014

On Tuesday this week I had the rare experience of speaking to a group of upper-level managers from Airbus at a resort in Travemünde on Germany’s Baltic Sea coast. Airbus makes commercial airliners … [Read more...] about Airbus Symposium

Filed Under: Aging, Training

Recovery for Runners

April 2, 2014

Some time ago a magazine asked me some questions about recovery for runners for a piece they were writing. Recently an athlete asked similar questions and got me to thinking about this topic once … [Read more...] about Recovery for Runners

Filed Under: Training

Personal Update

March 27, 2014

It’s been almost three months since I lasted posted anything here. That’s a record for me, and I’ve been pretty good over the years at leaving big, empty gaps from time to time. This gap has been … [Read more...] about Personal Update

Filed Under: Aging, Training

Recovery and Intensity Factor

January 2, 2014

I received an interesting question from an athlete today. He asked... Question: "Is there research available on recovery time vs. Intensity Factor (IF)?" Explanation: "IF" is … [Read more...] about Recovery and Intensity Factor

Filed Under: Training

Hard-Easy Training

December 9, 2013

“Polarized training” is a fancy new name for a basic old concept—train either at low or high intensity, but keep the moderate training time between these extremes relatively small. So what are low, … [Read more...] about Hard-Easy Training

Filed Under: Training

Aging: The Last Post

November 27, 2013

This is my last aging post. I started this series back in June as a pre-birthday gift to myself. I wanted to understand what was happening with my performance that seemed to be in decline. There was a … [Read more...] about Aging: The Last Post

Filed Under: Aging, Training

Aging: The Veteran’s Transition Period

November 21, 2013

So far I’ve covered all of the common periods in the season and how they might be tweaked to match the unique needs of the senior athlete – Prep, Base, Build, Peak and Race. That brings us to … [Read more...] about Aging: The Veteran’s Transition Period

Filed Under: Aging, Training

Aging: Customizing the Race Period

November 13, 2013

We’ve now got the Prep, Base, Build and Peak periods behind us. We’re almost there: The race is just a week away. Actually, there isn’t much to change in this period from what’s described … [Read more...] about Aging: Customizing the Race Period

Filed Under: Aging, Training

Aging: Customizing the Peak Period

November 9, 2013

The Peak period follows Build 2b and is one of the shortest of the season. Now you’re down to just a couple of weeks until race day. Gaining fitness is out of the question. There isn’t enough time to … [Read more...] about Aging: Customizing the Peak Period

Filed Under: Aging, Training

Aging: Customizing the Build Period

November 6, 2013

In my last three posts (here,  here, and here) I offered suggestions for how a senior athlete may customize the training routine in the Prep and Base periods to allow for more frequent and … [Read more...] about Aging: Customizing the Build Period

Filed Under: Aging, Training

Aging: Other Base Period Training and Microcycles

November 3, 2013

I’m back home after a two-month stay in beautiful Tuscany. As much as I enjoyed the riding there, it’s a great relief to back where the two-way roads are wider than one car. Taking the many blind … [Read more...] about Aging: Other Base Period Training and Microcycles

Filed Under: Aging, Training

Aging: Customizing the Base Period

October 29, 2013

I’ve been writing about aging here since June. This rather long series started when I realized this past spring that in December I’d age up to 70. There’s an old saying that it takes 10 years to get … [Read more...] about Aging: Customizing the Base Period

Filed Under: Aging, Training

Aging: Customizing the Prep Period

October 26, 2013

In recent posts I’ve been describing how you can alter periodization to allow for better recovery and higher quality training at the same time by altering the length and design of your microcycles and … [Read more...] about Aging: Customizing the Prep Period

Filed Under: Aging, Training

Aging: Flexible Periodization

October 24, 2013

In the last few aging posts I’ve been walking you through how you can customize your periodization to more closely match your age by focusing on the recovery side of the training equation. I hope you … [Read more...] about Aging: Flexible Periodization

Filed Under: Aging, Training

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