EK Endurance Coaching

EK Endurance Coaching "Obstacles are what you see when you take your eyes off your goal" Professional coaching since 1999. work with many different types of athletes.

specialize with Cyclist and Triathlon. Great group to train with. coached Swim, bike and run workouts. Vixxen racing head coach and performance director. http://vixxenracing.com/
Boulder Tri Club performance director. http://www.bouldertriclub.com/

05/13/2026
Before and after. 1/2 marathon PR for this guy!
04/28/2026

Before and after.
1/2 marathon PR for this guy!

04/27/2026

Alex executed well on a cold and difficult day
here we go!!

03/21/2026

Trained for a specific adaptation, not for your race, pace, duration, etc.

01/27/2026

4-5x1 mile. (60-90” rest)
Zone 4- low zone 4 on FEEL.

Working on some new methods for Mountain athletes. Pretty views are bonus side effect.OK, I did it for the views first. ...
01/13/2026

Working on some new methods for Mountain athletes. Pretty views are bonus side effect.
OK, I did it for the views first. me talking to myself out loud for two hours about human physiology is generally the side effect for me walking around in the woods…

Here’s to doing even better in 2026. #2026
01/01/2026

Here’s to doing even better in 2026.
#2026

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PO Box 1584
Boulder, CO
80306

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