Reletter
Artwork for FreeSpeed Lab Substack

FreeSpeed Lab Substack

Jorge Martinez

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

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues10Founded3 years agoLast Issue4 months ago
Active

Read this Newsletter

freespeed.substack.com
Artwork for FreeSpeed Lab Substack

Latest Issues

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. You feel ready. But on race day, unexpected heat hits, and by the third mile of the run, you’re struggling while others seem fine. Has this...

4 months ago
3
1

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. Initially, my curiosity revolved around how or if the CORE could help the...

3 years ago
8

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.

Along the way, my bike fitting & aerodynamics knowledge has evolved...

3 years ago
8
2

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,...

3 years ago
3

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.

As usual, a quick disclaimer: the info provided is not definitive proof of...

3 years ago
5

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for FreeSpeed Lab Substack.

SubscribersMonthly Web VisitsAccepts Sponsors
Estimated Cost per Ad

Authors

The writers behind this newsletter.

  • Jorge Martinez

    Head Coach at E3 Triathlon Coaching & Director at the FreeSpeed Performance Lab / Helping athletes achieve peak performance through evidence-based guidance.

  • Frequently Asked Questions

    How can I access the email archive for FreeSpeed Lab Substack?

    You can find recent issues that have been published by FreeSpeed Lab Substack on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does FreeSpeed Lab Substack have?

    To see how many people subscribe to FreeSpeed Lab Substack, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in FreeSpeed Lab Substack?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch FreeSpeed Lab Substack as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like FreeSpeed Lab Substack?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact FreeSpeed Lab Substack using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to FreeSpeed Lab Substack?

    Scroll up to where it says Related Newsletters to see other publications like FreeSpeed Lab Substack. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact FreeSpeed Lab Substack?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.