s4/e21 Data Driven Training for the Everyday Athlete with Jonah Rosner, MS, CSCS

Balancing Data

Balancing various data points like pace, heart rate, and subjective feel is crucial for a holistic approach to training. Jonah Rosner explains that heart rate can be influenced by numerous factors such as fatigue, dehydration, and external conditions like heat 1. He emphasizes the importance of not relying solely on one data point, as all data has error rates and noise 2.

When we use data, we're not going to become overly reliant on one data point because all data has error rates and it has noise. And one day that data may just be off.

--- Jonah Rosner

Instead, combining multiple data points provides a more accurate picture of one's performance and helps in making better training decisions 2.

   

Data Skepticism

Data-driven approaches in running offer both benefits and challenges. Elisabeth Scott highlights the abundance of data available through various devices, making it difficult to discern what is valuable and what is noise 3. Jonah advises skepticism towards technology, as devices often make educated guesses rather than providing absolute truths 3.

Technology and data is not synonymous with truth.

--- Jonah Rosner

The best training decisions come from combining data with subjective experiences and intuition, rather than relying solely on one metric 4.

   

Efficiency

Improving running efficiency involves targeted training and understanding various metrics. Jonah discusses how VO2 max and metabolic thresholds can guide individualized training plans 5. He also notes that training zones and thresholds can vary daily based on factors like fatigue and stress 6.

Your thresholds change on a day to day basis too, based on how fatigued you are, life stress, other things that are going on.

--- Jonah Rosner

By focusing on running economy and neuromuscular efficiency, runners can optimize their performance and sustain longer efforts 5.