Train the
marrow.
The deepest layer of strength. Where habits compound. Where transformation actually happens. Built for coaches, gyms, and athletes who refuse cookie-cutter.
Built for everyone
in the room.
Marrow is built for high performers. Coaches who care about the work. Gyms that won't settle for cookie-cutter. Athletes who show up to actually train.
Coaches.
For the work that should compound, not stretch thin.
- White-label app for your clients
- AI that reads every athlete signal
- $49 + 5% locked for life. First 50 only.
Gyms.
Hire coaches who can't be replaced. Then keep them irreplaceable.
- Multi-coach console for the gym owner
- Gym-branded app. Members stay with you.
- Studio $79 or Teams $59 per coach.
Athletes.
Train with a coach who reads every signal that decides your progress.
- Coaches reviewed by the founder
- Bring your own or get matched
- Free for athletes. Pay only your coach.
The best coaches train the deepest layer of strength.
Marrow makes that work scale, without losing the human.
The best coaches already feel it.
Even the most attentive coach hits a moment where the roster grows past the point where one human can read every signal. Sales, retention, scaling. The same wall every great coach has climbed. Marrow is the infrastructure that turns the wall into a runway.
Magic at five. Stretched at twenty. With Marrow, no ceiling.
Make great coaching reach
everyone ready to do the work.
Other platforms try to replace the coach. We won't. We build the tools that let great coaches reach more people without watering down the work. Athletes get real attention. Coaches stay sharp. Gyms keep their best people. That's the only kind of fitness platform we want to build.
Edwin Grant.
Founder · Marrow Fitness LLC
The day I realized I couldn't give every athlete the same level of attention was the day I knew something had to change. Not because I cared less. Because there are only so many hours in a week.
Marrow is what I'm building so no coach has to make that compromise again. So no athlete feels like a number. So the work that makes coaching worth doing actually scales.
If that hits something for you, you're already part of this.
Three pieces. Built like bone.
Marrow doesn't replace you. It removes the friction between you and the work that actually matters: knowing each athlete deeper than they know themselves.
Marrow Coach reads the signals.
Sleep debt. Strain spikes. Recovery patterns. Marrow's AI watches every athlete in your roster around the clock, then surfaces the three who need your attention today. No more digging through dashboards. The work comes to you.
You decide. Or let it propose.
Customize your own programs from scratch. Or let Marrow draft a block based on the athlete's signals, your method, and where they are in their season. You stay in the chair. The AI is the assistant who never sleeps.
Your athletes feel the difference.
They get a coach who notices things before they bring them up. A program that adjusts to how they actually slept last night. The kind of attention that used to be reserved for your top three clients. Now they all get it.
Coach. Method. Network.
The three pillars work together. Use one, you have a tool. Use all three, you have a practice your competition can't catch.
The AI agent. Watches every athlete's signals around the clock. Surfaces the three who need attention today. Drafts program adjustments you can approve in seconds.
The program library. Generational protocols distilled into prescriptive blocks you can drop into any athlete's plan. Or design your own from scratch and Marrow learns your style.
The cohort of coaches who train operators. Peer reviews on programming. Local events in your city. Cohort gatherings hosted by the founder. The room you want to be in.
You set the price.
We take a small share.
Three founding offers. One for coaches. One for athletes who want to train with the founder. One for gyms running multi-coach operations. Each rate locks for the founding period only.
- Marrow Coach AI for unlimited athletes
- Full Method library + white label app
- Founder badge + direct line to founder
- Direct coaching from the founder
- Same Marrow platform, same AI signal-reading
- Personalized programming + recovery tracking
- Multi-coach console + gym-branded app
- Coach migration tools + retention dashboards
- Custom contracts available for 11+ coaches
Everything your business needs.
Nothing you don't.
Marrow doesn't just give you AI. It gives you the operating system for your entire coaching business. Programming, billing, marketing, analytics, community. All inside one platform. Built so you can spend more time coaching and less time stitching tools together.
You don't need another app. You need leverage. Marrow gives elite coaches the tools to multiply what they already do, without losing what made them great in the first place. The work scales. The relationship doesn't.
You don't build alone.
Marrow Network is the coach community you've been missing. Peer review on programming. Method exchange. Local events in your city. Cohort gatherings hosted by the founder.
Coach community
A vetted room of coaches who serve operators. Trade methods. Get peer review on your programming. Stop building your practice alone.
Meetups in your city
Marrow surfaces local coach meetups, fitness race events, first-responder summits, and elite-coach gatherings near you. Your cohort, your zip code.
Quarterly Marrow gatherings
Edwin personally hosts quarterly gatherings rotating Miami, NYC, LA, Austin. Real conversations with the coaches building Marrow with you.
Whatever you coach.
Whatever they train for.
Marrow is built around how the human body actually works, not around any one program. Whether you coach strength, endurance, race-format, tactical, hybrid, or general fitness, the platform meets you where your method already lives.
Apply to be a Marrow Coach.
We're opening the founding cohort to fifty coaches. Locked $49/mo plus 5% for life. When the cohort is full, the rate goes to $99 plus 7%. Founders keep their pricing forever.
If you're picked, you'll get early access to the platform, founder rate pricing locked for life, and direct line to the team building it. We respond inside 48 hours. Always.
Everything else is just performance.