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Albert Harrison
Duathlete, Coach, Curious Person
Duathlete, Coach, Curious Person
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Powerman Zofingen World Championship
Third time's a charm. This is the third time I've sat down to write about Powerman Zofingen. The first time, weeks before the race, I started writing about my goals for the race: A Goal: Podium B Goal: Top 5 C Goal: Top 10 Before I could publish that, I tho...
Powerman Zofingen World Championship
Powerman Zofingen World Championship
breakthroughendurance.net

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Year End Review
In college, my coach required every athlete to recap each season with a goal review. The goal review was an opportunity to assess your season - if you met your goals, why or why not, and set or adjust your goals for next season. They weren't always performa...

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ITU's "Pay-to-Play" Age Group Duathlon World Championships Recap
I usually try to avoid writing about myself. But after racing last week, I wanted to take some time to reflect upon my experiences at the ITU's World Championships. But first, let me explain what happened last year... Last year was a son of a bitch (a cooki...

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Relationships between Acidosis and VO2max
Some coaches will speak of the elements of performance as exclusive concepts. Aerobic and anaerobic metabolism for example. Traditionally, the two could be separately defined, but the two are essentially bound in a symbiotic relationship. A typical physiolo...

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Economy Notes
Below, I've started creating a list of factors that influence running economy. Here, economy is defined the steady state O2 consumption required to maintain a given running speed. This list is more of an open note that I intend to update and modify as I, an...

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Warfarin, Bone Mineral Density and Stress Fractures
This past fall, I had a pulmonary embolism. This was my second, unprovoked episode -- the first occurred in 2011. Usually after the first event, you leave the hospital with a prescription for an anticoagulant (blood thinning) medication and you'll take it f...

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Fractional Utilization, Low Carbohydrate Diets and Running Performance
Fractional utilization refers to the fraction of VO2max that an athlete sustains during an event. It varies between events and between athletes. Athletes can sustain a greater percentage of VO2max for a shorter duration (5000m vs. 10,000m). Fractional utili...

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So you want to "burn fat?"
A Potential for Improving Endurance Performance through Substrate Conservation We know skeletal muscle needs ATP to contract and there are different pathways from which ATP can be synthesized. During endurance exercise, inevitably, some combination of gluco...
So you want to "burn fat?"
So you want to "burn fat?"
breakthroughendurance.net

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Stressors, Ergogenic Aids and Training Loads
Training always involves balancing stress and recovery. A stress is applied to the system, the stress results in a deviation from homeostasis, acting as a stimulus for cellular signaling that leads to adaptation. This adaptation will leave the system better...

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pH Threshold as a Predictor of Endurance Running Performance
Lactate and pH Lactate threshold as a percentage of VO2max has long been associated with distance running and cycling performance. But lactate is not a cause of fatigue. Rather, the accumulation of lactate is an indication of what's occurring. Lactate can a...
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