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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…
Nov 14, 2023
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Jorge Martinez
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Using the CORE Temperature sensor to optimize training & racing in the heat.
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October 2023
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…
Oct 25, 2023
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Jorge Martinez
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The Bike Position Optimization Quest
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August 2023
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…
Aug 29, 2023
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Jorge Martinez
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Adapting to your Aero position
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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…
Aug 24, 2023
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Jorge Martinez
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Cycling Characteristics of Male Triathletes Qualifying for the 2022 Ironman World Championship
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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…
Aug 21, 2023
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Jorge Martinez
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Which shoe is faster: On Cloud Monster vs. Saucony Endorphin Pro 3
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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 …
Aug 15, 2023
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Jorge Martinez
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Running Characteristics of Female Triathletes Qualifying for the 2022 Ironman World Championship
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March 2023
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…
Mar 7, 2023
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Jorge Martinez
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Cycling Characteristics of Female Triathletes Qualifying for the 2022 Ironman World Championship
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February 2023
Which shoe is faster: Asics Nova Blast vs. Nike Zoom Fly 4
Run economy comparison among different types of training/racing super shoes.
Feb 16, 2023
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Jorge Martinez
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Which shoe is faster: Asics Nova Blast vs. Nike Zoom Fly 4
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Coming soon
This is FreeSpeed Lab Substack.
Feb 7, 2023
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Jorge Martinez
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Coming soon
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