In this episode of the Athletes Compass Podcast, the hosts explore Athletica’s new AI Coach, a tool designed to provide personalized training feedback and answer athlete questions based on the science of high-intensity interval training. Built using a retrieval-augmented AI system trained on the HIIT Science textbook and Athletica’s internal knowledge base, the coach analyzes workout data, recovery metrics, and athlete comments to generate contextual advice. The conversation highlights real-world examples of how athletes use the tool to improve pacing strategies, adjust training plans, monitor recovery, and avoid injury. The hosts also discuss how consistent logging of RPE and workout notes strengthens the system over time and share a vision for the future where AI could automatically adjust training plans in real time.

1. Athletica’s AI Coach is powered by RAG AI (Retrieval-Augmented Generation), pulling from the HIIT Science textbook, blogs, and platform knowledge to answer training questions.
2. The system combines scientific knowledge with an athlete’s personal data including power profiles, training load, and recovery metrics.
3. Athletes can ask questions about: recovery status, training intensity distribution, pacing strategies, nutrition for key workouts, strengths and weaknesses in their data.
4. The AI can reference historical training data, even comments written months earlier, to give contextual advice. Example use cases include: deciding workout order (threshold vs endurance), planning pacing strategies for races, adjusting training after illness or injury.
5. Consistency in training and logging feedback (RPE, notes, comments) improves the AI’s ability to give useful recommendations.
6. The current system cannot automatically modify your training calendar, but future versions may include that capability.
7. A strong aerobic base remains essential—relying only on high-intensity sessions can lead to plateaued fitness and reduced recovery capacity.

• Athletica's Architecture
• Paul Warloski - Simple Endurance Coaching
• Marjaana Rakai | Nordic Performance Lab