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RUNNING COACH BLOG


Debunking the Myths of Cycle-Sync Training in Female Endurance Athletes
Menstrual cycle endurance performance is often assumed to vary across cycle phases. However, research in trained female endurance athletes shows that objective performance, metabolic responses, and autonomic regulation remain largely stable throughout the menstrual cycle. In our study, perceived performance and wellbeing fluctuated, but without accompanying reductions in physiological capacity, highlighting the need to separate symptoms from true performance changes.

Irene Molina-Gonzalez, PhD
Dec 15, 2025


How long should my longest run be training for an ultramarathon?
Training for ultramarathons often raises one of the most common questions: how long should my longest run be? Many runners believe there is a magic number or a single epic run that guarantees success. The truth is different. Your longest run will depend on many factors, including experience, current fitness, and how well you can tolerate volume. It is not about hitting a specific distance or time in training. Understanding how to approach your longest run can make the differe

Irene Molina-Gonzalez, PhD
Nov 30, 2025


A Guide to ROAD and Trail Running Shoes: Choosing the Right RUNNING SHOES
Choosing the right running shoes is a common concern among runners, and it’s a topic I often encounter with my athletes and in the clinic.

Irene Molina-Gonzalez, PhD
Feb 14, 2025


Principles of Periodisation in Ultramarathon Training
Periodisation is a structured approach to ultramarathon training that systematically develops an athlete’s physiological adaptations over time.

Irene Molina-Gonzalez, PhD
Jan 30, 2025


VO2 Max: A Key Indicator of Performance in Endurance Athletes
VO2 max is a critical measure in the world of exercise physiology, especially for endurance athletes.

Irene Molina-Gonzalez, PhD
Sep 6, 2024


Heat Acclimatisation for Athletic Performance
Heat acclimatisation (HA) is a technique elite athletes use to enhance performance in both hot and cold conditions.

Irene Molina-Gonzalez, PhD
May 31, 2024


Optimising Athlete Performance: The Role of Heart Rate Variability in Training and Health Assessment
Heart Rate Variability (HRV) refers to the variation in the time between heartbeats. Unlike the constant ticking of a watch, heartbeats adjust according to vital functions. HRV measures this variability.

Irene Molina-Gonzalez, PhD
May 19, 2024


How to Fuel for Peak Performance: Mastering Race Nutrition for Ultramarathons
Race nutrition stands as a pivotal factor in the success of ultramarathon runners. Inadequate nutrition strategies often lead to underperformance or hitting the dreaded "wall".

Irene Molina-Gonzalez, PhD
Apr 9, 2024


Maximising Your Running Performance: Understanding Intensity and Training Zones
In the world of running, understanding the intricacies of training intensity is paramount for achieving peak performance while avoiding the pitfalls of overexertion and injury.

Irene Molina-Gonzalez, PhD
Mar 28, 2024
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