📢 New Feature Release: Daily Availability is Here! 🚀


Hello Reader,

Training smarter just got easier! We’re excited to introduce Daily Availability, Athletica’s newest feature designed to help you train around your real-life schedule while still optimizing performance.

Busy schedule? No problem. Define your training days, available time per session, and preferred exercise mode (run, bike, swim, row, strength & conditioning, or rest)—Athletica takes care of the rest.

Still optimized for performance. Even with constraints, Athletica ensures every session is intelligently structured to keep you progressing toward your goals.

Seamless customization. Use simple toggles and a duration slider to personalize your plan.

⚠️ Heads up! Heavy computations happen in the backend to tailor your training. Set your availability, submit your plan, and check back in a few hours for your fully optimized schedule.

💪 Ready to take control of your training? Log into Athletica now and try Daily Availability!

Athletica AI Coach and Training Science

Smarter training starts here. Athletica’s newsletters deliver science-backed insights, expert tips, and AI-powered training updates for endurance athletes of all levels. Catch up on past editions and subscribe to stay ahead in your training journey.

Read more from Athletica AI Coach and Training Science

Hello Reader, I wanted to share a quick story and a new release I’m really proud of. Years ago, when Kyle Buckingham crossed the line first at Ironman South Africa, he reflected later and said to me: “Paul—I know you’re trained as a physiologist, but really, you’re more of a psychologist.” Kyle Buckingham: The Sweetest Victory at his Home Race – Ironman South Africa It made me smile. Andi Boecherer once told me almost exactly the same thing after winning Ironman Lanzarote. It took me back to...

The Catalyst —My 36-Hour Fasted Climb A few weeks ago I finished recording a podcast with Prof. Tim Noakes and Dr. Phil Maffetone—two mentors whose work underpins much of my own coaching. Inspired (and a little rattled) by their latest thinking on the importance (or lack thereof) of muscle glycogen, I tested my own beliefs in the subsequent days: Fed vs. 36 hours fasted (black coffee + water). 90-min climb up Mt Revelstoke. Result: Personal-best power with –13 % Athletica Workout Reserve. One...

Athlete driving a sled – HYROX training plan demo

Hello Reader, We’re genuinely pumped about this release. One year ago HYROX wasn’t even on our radar—until our colleague Dan Plews (HYROX World Champion & HIIT Science contributor) sat down with Martin Buchheit on the Training Science Podcast. The forum lit up. “Can Athletica build an adaptive HYROX plan?” Today—we’ve delivered. What is HYROX, anyway? HYROX has rocketed from just 650 pioneering athletes in 2017 to roughly half a million competitors across five continents in the 2024-25...