The Strength Running Podcast

Inside the Science of Wearable Tech with Dr. Peter Tierney (Hardware, Metrics, & More)

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Aug 7, 2025
Join Dr. Peter Tierney, a health and performance researcher known for his work with elite sports teams, as he dives into the innovative world of wearable tech for runners. He discusses essential metrics to monitor, the significance of trends over single data points, and the impact of specific devices like smartwatches and heart rate monitors. Learn which metrics truly matter, how to interpret your data for better performance, and the importance of integrating personal insights with objective measurements.
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ADVICE

Use Smartwatch Plus HR Monitor

  • Combine a smartwatch with a chest or arm strap heart rate monitor for the most accurate data.
  • Wrist-based heart rate monitors can have errors based on skin tone, tattoos, or temperature.
INSIGHT

Focus on Trends, Not Numbers

  • Wearable metrics like resting heart rate and sleep time are usually reliable enough for personal tracking.
  • The trend over time matters more than exact numbers or comparisons between different devices.
ADVICE

Weekly Reflection on Wearables

  • Reflect weekly on your wearable data and subjective feelings to identify patterns.
  • Avoid obsessing daily over minor deviations, use data to support your training decisions.
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