What Fuels You?
Let’s Find Out

Join the FIELD Study —
a real-world research project
that brings Sports Science 3.0 to life.

Take the Survey

About the FIELD Study

Welcome to the Fueling Influence on Endurance Load & Development (FIELD) Study—an athlete-led investigation into how long-term dietary patterns shape real-world endurance performance, recovery, and adaptation.

FIELD sits at the heart of our Sports Science 3.0 initiative: taking validated scientific tools out of the lab and into the training logs of everyday athletes. Powered by Athletica’s adaptive engine and guided by a multidisciplinary team of leading nutrition-performance scientists—including Prof. Tim Noakes, Prof. Jeff Volek, Dr. Andrew Koutnik, and Dr. Philip Prins—this is your chance to contribute to the next generation of performance science.

Together, we’re examining how different fueling strategies relate to:

  • Physiological and performance thresholds
  • Fatigue resistance over long efforts
  • Recovery markers such as HRV, resting heart rate, and sleep quality
No interventions, no lab visits—just the training and fueling data you already produce, observed responsibly and at scale.

Who Can Participate?

If you regularly train with a wearable (Garmin, Strava, Wahoo, Intervals.icu, Concept2)—you qualify.

We’re looking for endurance athletes who’ve followed a consistent dietary approach for at least 6 months.

We welcome all fueling strategies:

  • High-carbohydrate

  • Moderate-carbohydrate

  • Low-carbohydrate

  • Ketogenic

  • Mixed or self-defined approaches

Why It Matters

The carbs vs. fats debate continues—but there’s little data from the field. That’s where you come in.

What makes this different:

  • No lab visits

  • No theoretical simulations

  • Just real-world data and validated metrics from people like you

This is Sports Science 3.0 in action—where endurance athletes become collaborators in scientific discovery.

What’s Involved

  1. Complete a 15-minute survey Tell us about your sport, training history, and typical diet.
  2. Sign up for Athletica (Free 2-week trial) Athletica captures your wearable performance and recovery data automatically.
  3. Sync your wearable Works with Garmin, Strava, Wahoo, Concept2, and intervals.icu.
  4. Use the same email for both survey and Athletica account This ensures we can securely and anonymously link your data.

🚀 Ready to Get Started?

Step 1: Take the 15-minute Survey

Step 2: Start Your Free Trial with Athletica.ai

📥 Sync your wearable during onboarding
📧 Use the same email address in both places

Take the Survey
Start Your Free Trial

Data Privacy & Ethics

Your data will be anonymized and stored on secure, encrypted servers. There are no interventions and no commercial sales of your information, and you may withdraw at any time. The FIELD protocol has been reviewed and approved by the Grove City College Institutional Review Board (IRB), ensuring the study meets established ethical standards for human-subject research.

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