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Calorie deficit causing reduced running performance

💚 healthpersonal problemSingle report ●●●●● severity 2/5

A runner reports that they are struggling to maintain their usual pace during easy and threshold runs while maintaining a calorie deficit to lose body fat, and they are unsure if this performance decline is a direct result of restricted calorie intake.

Who's affected: A runner attempting to lose body fat while maintaining a training schedule

⚠️ Single report. This is one person's account. We mark it so until more voices confirm it.

What people do today

🔧 Fix this

Ideas a builder, maker or community group could start on:

  1. A mobile app that syncs with fitness trackers to dynamically adjust daily calorie targets based on real-time training load and heart rate data.
  2. A nutrition planning tool that calculates specific macro-nutrient timing to optimize glycogen availability for scheduled high-intensity workouts.
  3. A dashboard that correlates historical calorie intake data with heart rate and pace metrics to visualize the impact of deficits on athletic performance.
I want to build this

Real voices

“I have noticed that I am struggling to maintain my usual pace for easy and threshold runs.”

Source: Stack Exchange (fitness) · CC BY-SA 4.0, user-contributed content from Stack Exchange; summarized and modified

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