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The Scientist’s Notebook
Research-backed training insights for endurance athletes.

What readers say

Stopped using FTP alone after reading the lactate thresholds article. Cyclist, Switzerland
The CP/W′ calculator matched my field test within ~5 W. Amateur racer, Spain
The only place I’ve seen practical protocols without influencer noise. Subscriber, Germany

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Latest

06
Mar
Snippet #008: Buffering Acidity to Extend High-Intensity Anaerobic Output

Snippet #008: Buffering Acidity to Extend High-Intensity Anaerobic Output

The efficacy of sodium bicarbonate relies heavily on the metabolic demands of the specific exercise intensity relative to an athlete&
2 min read
02
Mar
Entry #010: Beta-alanine supplementation to extend time to exhaustion in endurance tasks

Entry #010: Beta-alanine supplementation to extend time to exhaustion in endurance tasks

Now that we have established the hierarchy of aerobic development in previous editions, we need to address the specific biochemical
8 min read
28
Feb

24 hours left + what starts March 1

This is a short reminder that the 50% beta promotion ends in 24 hours. If you want one of the
2 min read
27
Feb
Snippet #007: Depleting Cellular Energy Stores Triggers Mitochondrial Growth

Snippet #007: Depleting Cellular Energy Stores Triggers Mitochondrial Growth

Endurance adaptations begin when the muscle cell detects that it is effectively running out of immediate fuel. As exercise continues,
2 min read
25
Feb
#OpenLab is Opening

#OpenLab is Opening

The OpenLab editions have gradually become some of the most useful parts of the Notebook. Not because they delivered cleaner
3 min read
23
Feb
Entry #009: Why functional threshold power may not fully capture durability in cycling

Entry #009: Why functional threshold power may not fully capture durability in cycling

Before we get started, we were made aware that there might have been some regional restrictions with the coupon codes
9 min read
21
Feb
1000 of Us - 50% of all Training Plans

1000 of Us - 50% of all Training Plans

Hi everyone, We just crossed 1000 subscribers, while still in beta. This began as a personal notebook. No launch plan,
1 min read
20
Feb
Snippet #006: Rapid Glucose Absorption Accelerates Recovery Through Insulin-Mediated Transport

Snippet #006: Rapid Glucose Absorption Accelerates Recovery Through Insulin-Mediated Transport

High-glycemic carbohydrates promote superior muscle glycogen restoration compared to low-glycemic alternatives due to the speed at which they enter the
1 min read
18
Feb
OpenLab #003: How to train for triathlon: a guide for the absolute beginner with Lucas Van Deynze

OpenLab #003: How to train for triathlon: a guide for the absolute beginner with Lucas Van Deynze

The transition from a single-sport athlete to a triathlete represents an integrative adaptation of physiological systems. It requires the body
9 min read
16
Feb
Entry #008: Periodized nutrition plans aligned with training phases for better recovery

Entry #008: Periodized nutrition plans aligned with training phases for better recovery

9 min read