Data-informed. Coach-driven.

RUNtrix was built by coaches who believe training is personal, progress is non-linear, and the best plans leave room for real life.

Founder's Note

Built from a coaching opportunity.

RUNtrix began with a rare opportunity. A short window to do something that hadn’t been done before.

As a coach, many of my decisions were grounded in objective information. Not because there was a “secret sauce,” but because good coaching often comes down to understanding the data, respecting the science, and choosing the most reasonable path. Especially when the goal is to limit bad outcomes like injury.

When the chance came to build a training product for the world’s largest marathon, the question became whether those coaching decisions could be translated into a system that adapts as a runner progresses. Not a perfect system, because coaching never is, but one that educates, empowers, and improves the odds of success.

Through iteration, attention to detail, and help from a small group of trusted collaborators, the core of RUNtrix took shape. We learned how different runners respond to training, how to adapt plans thoughtfully, and how to explain the work in a way that makes sense.

Coaching in person is straightforward. You can adjust before a session or on the fly. Coaching at scale, through a digital platform, is a different challenge entirely. One we’ve spent years refining.

The rapid emergence of AI has only sharpened those questions. Could coaches be replaced? Should AI do more of the work? These are the questions that excite us at RUNtrix, not because we believe in shortcuts, but because they force us to clarify what matters.

At its core, running is a fundamental human movement. The shared experience of great runs, tough runs, and everything in between is something we value deeply. There is no magic in coaching. The best coaches connect, explain, and inspire.

— Matthew Moran, Coach

Our coaching philosophy

Training should evolve

Plans adjust as fitness, fatigue, goals, and life change — not because an algorithm panics, but because good coaching anticipates reality.

Data supports judgment

Metrics help inform decisions, but they never replace context, conversation, or experience.

Consistency beats perfection

Sustainable training builds confident runners — not fragile ones chasing ideal weeks.

Coaching is still an art

The best plans leave room for intuition, reflection, and learning along the way.

About the team

Built by coaches. Supported by people.

RUNtrix is built and supported by coaches who’ve spent years working with runners — not just training data.

Coach Matt

Matthew Moran, PhD

Coach / Sport Scientist

Developed RUNtrix, but most enjoys getting out for a trail run and helping runners reach their goals.

Coach Justin

Justin Wager, PhD

Coach

Biomechanist and technical expert who loves running and crunching the numbers to help runners better understand their training.

Coach Kim

Kim Harrison

Advisory Coach

Original RUNtrix support lead who knows the plans inside and out and brings care, clarity, and experience to every runner interaction.

Coach John

John Honerkamp

Advisory Coach

Original RUNtrix community builder who’s supported countless runners through thoughtful, consistent e-coaching.

AI, explained

A helpful voice — not a coach.

You may notice a friendly mule along the way.

Coach Mule is an optional AI-powered feature that helps runners reflect on their training in plain language — summarizing effort, conditions, and trends after a run.

It doesn’t coach. It doesn’t change your plan. And it never replaces human judgment.

AI helps tell the story — not write the plan.

Coach Mule illustration

RUNtrix exists to make training clearer, coaching more human, and progress something runners can trust.

No shortcuts. No hype. Just thoughtful training — done right.