The Coach Blog
Training science, AI coaching insights, and practical guides to help you train smarter.
Training for Ironman with an AI Coach: Managing Three Sports With One Platform
How AI coaching handles the unique challenges of Ironman and triathlon training — balancing swim, bike, and run volume, managing combined training load, and adapting when life disrupts the plan.
Coach vs ChatGPT for Fitness: Why a Purpose-Built AI Coach Beats a General Chatbot
Compare using ChatGPT for workout plans vs a purpose-built AI fitness coach. Data integration, training memory, and periodization compared honestly.
Coach vs Garmin Coach: Which AI Coach Gets More From Your Garmin Data?
Compare Garmin Coach and Coach for training guidance. See how a free built-in coach stacks up against a conversational AI with deep data integration.
Coach vs Runna: Comparing AI Running Coaches in 2026
Detailed comparison of Coach and Runna for AI-powered running coaching. Features, pricing, flexibility, and data integration compared side by side.
TRIMP, TSS, and Training Load Explained: The Metrics That Prevent Overtraining
Understand TRIMP, TSS, CTL, ATL, and TSB training load metrics. Learn how tracking acute vs chronic load prevents overtraining and optimizes fitness.
Recovery Tracking for Athletes: Sleep, HRV, and Data-Driven Rest Days
Learn how athlete recovery tracking with HRV, sleep quality, and readiness metrics can optimize your training. Make rest days data-driven, not guesswork.
Nutrition for Endurance Athletes: A Practical Fueling Guide
A complete nutrition guide for runners and endurance athletes covering macros, pre/during/post-workout fueling, hydration, and supplements.
Training Periodization for Runners: Build, Peak, Race, Recover
Learn how training periodization structures your running into base, build, peak, taper, and recovery phases for optimal race-day performance.
Garmin Meets AI Coaching: How Wearable Data Transforms Your Training
Discover how connecting your Garmin watch to AI coaching unlocks smarter training through automated data analysis, recovery tracking, and more.
Heart Rate Zone Training: The Complete Guide to Training by Heart Rate
Master heart rate zone training with this guide to all 5 HR zones, zone 2 endurance benefits, calculating zones, and using data to train smarter.
AI Coaching vs Personal Trainer: An Honest Comparison for 2025
Compare AI fitness coaching and personal trainers across cost, availability, personalization, and data analysis to find the right fit for your goals.
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