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FreeSpeed Lab Substack

Sharing various experiences doing metabolic testing, aerodynamic testing & gait analysis from a Triathlon perspective.

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Heat Training for Triathletes: The Science-Backed Performance Boost You Might Be Overlooking

Imagine training hard all winter, swimming countless laps, biking for miles, and running intervals.

Using the CORE Temperature sensor to optimize training & racing in the heat.

Since 2021, I've been using the CORE Body Temperature sensor in my training and, subsequently, incorporating it into the programs of some of the athletes I work with.

The Bike Position Optimization Quest

For the past 11 years working with Jana Richtrova, we have approached each year as an opportunity to optimize what, at the time, has been her bike position and equipment.

Adapting to your Aero position

Having done hundreds of fits at the FreeSpeed lab, when an athlete complains about "not being able to hold their aero position on race day," my first question is, how much did you train and adapt to that aero position? More often than not, the answers are:

Cycling Characteristics of Male Triathletes Qualifying for the 2022 Ironman World Championship

Today, I analyzed the metabolic testing data between late 2021 and early 2022 for male triathletes who competed & qualified for the 2022 Ironman World Championship.

Which shoe is faster: On Cloud Monster vs. Saucony Endorphin Pro 3

As mentioned before, I'm defining "super shoes" as sneakers with specialty materials such as foam to increase the energy return of your stride, shoes with carbon/nylon plates, or a shoe design with a heel stack of ~4-5 mm.

Running Characteristics of Female Triathletes Qualifying for the 2022 Ironman World Championship

As a continuation to my previous entry, in this post, I analyzed trends among the females I tested in 2022 who were training for Ironman distances & focused on those who targeted qualifying for the Ironman World Championship in the same year.

Cycling Characteristics of Female Triathletes Qualifying for the 2022 Ironman World Championship

Having tested many female triathletes in late 2021 and early 2022, I looked for trends among those who targeted qualifying for the Ironman World Championship in the same year. First, the info provided below is by no means definitive data claiming that to compete at the front of the female age group ranks, an athlete must have 'x' or 'y' characteristics.

Which shoe is faster: Asics Nova Blast vs. Nike Zoom Fly 4

Run economy comparison among different types of training/racing super shoes.

Coming soon

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