Elite-level endurance coaching, democratised for every athlete
Aegis coaches the way a good human coach does. Thirteen specialised AI agents plan your season, work on your weakest discipline first, write every session, check how you slept this morning and review each week with you. The rules they work within were written by a coach.
I built the coach I couldn't find
I'm David Naylor. I've raced five full-distance triathlons, and I couldn't swim freestyle when I entered the first one. Over the years I tried every way an amateur can train: plans off the shelf, a one-to-one coach, and working it out myself.
I've also spent more than twenty years building software, the last ten as a CTO and most recently leading AI products. Aegis is what I built when none of those ways of training fitted around real life.
Where would you like to start?
Each page is written for a different reader. If you want the detail first, start with the platform.
How the platform works
Thirteen agents, the limiter engine, two feedback loops, thirteen coaching levers and the AI gateway underneath.
See the platform →A coach that adapts to you
Season planning, daily adjustment and weekly review, grounded in what your body actually recorded.
Athlete route →Your methodology, scaled
Your philosophy becomes the settings the AI runs on. More athletes, same coaching, your IP.
Coach route →The opportunity
A proven and consolidating market, a live product, and coaching that fits the individual more closely than the alternatives.
The opportunity →Six sports, 36 race formats, or no race at all
Each sport is coached by its own specialist persona, with tapers, recovery and session ceilings set per race format. Every sport also accepts a custom distance.
Triathlon
Super sprint, sprint, standard (Olympic), middle distance, long distance, and ultra (double, triple, deca).
Running
5k, 10k, half marathon, marathon, 50k, 100k, 100 mile, trail, and multi-day or stage ultras.
Cycling
Sportive, gran fondo, road race, criterium, time trial, stage race, gravel, MTB cross-country, MTB marathon, and ultra endurance.
Swimming
Open water at 1.5k, 3.8k and 10k, and marathon swims.
Duathlon and aquabike
Duathlon at sprint, standard and middle distance. Aquabike at sprint, standard, middle and long.
Training without a race
General fitness and base-building athletes get a plan built around their current training phase, with strength periodised into every sport.