Gen AI is great for learning stuff, but it's best when you've already done some prior learning from traditional sources. I'm currently learning the theory, science, and practice of sprint coaching and training–some of you may have seen me document my return to track and field athletics in my new-ish publication. After reading quite a bit, watching videos, attending some basic courses, I started a chat with GPT-5. I explained my background, my skills, what I was looking for in quite a bit of detail. I chose certain paths I already knew I wanted to take. Then I asked GPT-5 to create my own personalised sprint coaching manual. And it did a great job (as far as I can tell) But here's how I plan to use it. I have a reasonably high degree of confidence that its output is good and reliable–my prior reading and learning about this topic allows me to make this call. However, I now plan to go through the 22 modules GPT-5 created for me, study them, and corroborate each topics with existing literature. This type of learning is the best of both worlds. Here's this 22-module spring coaching module delivered to me by GPT-5 following my specifications. This is the raw output, with no editing, and the usual caveats apply: https://t.co/rJV8WnGD95
How People Are Using AI For Fitness Coaching
In 2025, people use AI as a fitness coach: lifters record sets and have Gemini 1.5 Pro extract JSON (exercise, sets/reps/weight) and form critiques, sometimes paired with TTS for live cues. Grok 3, ChatGPT, Claude, and GPT-5 generate plans—meal macros, 4–5-day routines, sprint modules—and adapt weekly from user feedback. Many prompt AI to act as a physical therapist: intake on goals, pain (1–10), injuries, equipment, and target activities; output step-by-step rehab with safety rules (e.g., stop if pain >4/10) and progress templates. Day to day, users request 45-minute beginner programs, troubleshoot lifts (e.g., overhead press), handle plateaus, and swap foods to reach protein targets; some report specific outcomes (e.g., glute activation) and let the coach remember sessions to adjust intensity. Privacy-minded prompts share age/sex/height/weight for treadmill plans while limiting other data.
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