Erin Carson - ECFIT Strength

Erin Carson - ECFIT Strength Helping high-performance humans build and maintain strength for sport and life.

Founded by Erin Carson, ECFIT Strength is a sport-specific approach to strength training designed to support & complement high-volume endurance sessions as well as many other sports. With a focus on core elements of functional movement, the ECFIT Strength Coaches work with many of the world’s best triathletes, cyclists, and runners every day from home base in Boulder, Co. These athletes do the kin

d of work at home and in the gym that allows them to train harder, longer, and without injury, then show up at the starting line ready to compete at the highest level.

06/12/2026

Pre-session work doesn’t need to be long, but it should be intentional.

Our PreFlight Training Sessions are built around three pieces: tissue care, mobility, and muscle activation. The goal is to create space, improve how you move, and then wake up the right areas so your body is ready for the work ahead.

Using tools like the allows you to bring movement into that process, not just static prep, but something that starts to connect the body before you even get into your session.

It’s a short investment, but it changes how everything feels after.

I talk about consistency a lot.I recently realized that hasn’t missed a single week of Mobility Monday in over 4 years....
06/11/2026

I talk about consistency a lot.

I recently realized that hasn’t missed a single week of Mobility Monday in over 4 years. That’s 230 Mondays of just showing up.

Not doing everything perfectly. Not overcomplicating it. Just staying consistent.

That’s where the change happens. Really impressive to see!

Play isn’t just something we grow out of.It’s how we learn, how we adapt, and how we move without overthinking. You see ...
06/08/2026

Play isn’t just something we grow out of.

It’s how we learn, how we adapt, and how we move without overthinking. You see it in kids all the time. They explore, adjust, and figure things out without trying to force anything.

As we get older, we tend to replace that with more structure and control. Some of that is necessary, but too much of it can take away the variability and freedom the body still needs.

Movement doesn’t always need to be so rigid.

Sometimes giving yourself space to move, explore, and adjust is what actually brings things back.

The Healing Power of Play is a book I often recommend because it offers such an interesting perspective on movement, adaptability, and the role play continues to have throughout life.

Curious what “play” looks like for you now. Tell me below!

06/06/2026

Our Launch Training Sessions are built around three key pieces: mobility, strength endurance, and skill development.

The goal is to improve how you move first, then build the ability to sustain that movement, and finally develop the skills that carry over into your training. It’s a progression that helps create balance in the body while making your work in the gym more effective.

If you’re looking for a more intentional starting point, this is it.

There’s a point where adding more stops helping and starts getting in the way.If the movement isn’t there, if the contro...
06/04/2026

There’s a point where adding more stops helping and starts getting in the way.

If the movement isn’t there, if the control isn’t there, more work doesn’t fix it. It just makes it harder to notice what needs to change. Sometimes progress looks like doing less, but doing it better.

Think about where this might apply in your training.

If your training feels harder than it should, this might be part of it.It’s easy to focus on what you’re doing in your s...
06/03/2026

If your training feels harder than it should, this might be part of it.

It’s easy to focus on what you’re doing in your sessions, how much, how hard, how often, but what happens outside of that time is what actually allows you to recover and adapt. Sleep plays a major role in that, especially in season when the overall demand is higher. Alcohol can quietly interfere more than people expect. Even small amounts can disrupt your sleep cycle, which impacts recovery, focus, and how you show up the next day. It’s not about being overly strict, it’s about understanding what’s supporting your training and what might be working against it when consistency matters most.

Curious what’s made the biggest difference in your sleep during a training block.

Join me live tomorrow morning on YouTube!At 6:45 AM MT, let’s take 20–30 minutes to move, reset, and get set up for the ...
05/31/2026

Join me live tomorrow morning on YouTube!

At 6:45 AM MT, let’s take 20–30 minutes to move, reset, and get set up for the week ahead. It’s a consistent place to check in with your body and start building better movement without overcomplicating it.

You can join live or come back to it later. Subscribe to so you have access whenever you need it.

05/29/2026

Creatine is usually thought of as something that helps with strength and performance in the gym.

And it does. It can support output, recovery between efforts, and overall training quality. But there’s also growing research looking at how it may support brain function as well. Things like cognitive performance, mental fatigue, and overall brain health. It’s not a magic solution, but it’s one of the few supplements that consistently shows benefit across different areas.

Like most things, it comes back to context. How you train, how you recover, and what you actually need. Curious if this is something you’ve used or considered?

There’s something about being at the beach that puts things into perspective.You watch how people move through different...
05/28/2026

There’s something about being at the beach that puts things into perspective.

You watch how people move through different phases of life. Kids are naturally free and flexible, constantly moving without thinking about it. As we get older, that starts to change. Movement becomes more of a choice, shaped by work, routines, and everything else that fills the day.

This is usually where things start to drift.

Not because people don’t care, but because it becomes easier to let movement, posture, and overall care for your body take a back seat. And over time, that adds up more than most people expect.

The goal isn’t to chase something extreme, it’s to stay connected to how you move and how you carry yourself day to day. Posture, awareness, and consistent movement go a long way in keeping you feeling strong, capable, and able to keep doing the things you enjoy.

There’s no reason that should stop as you get older. Movement should still feel natural. You should still be able to play, move freely, and feel good in your body.

Curious if anyone has beach plans this summer?

A tool is only as useful as what you do with it after.I’ve used a massage fun for years, mostly when I notice certain ar...
05/25/2026

A tool is only as useful as what you do with it after.

I’ve used a massage fun for years, mostly when I notice certain areas holding more tension than they should, usually through the outer hip or the front side of the body. It’s helpful for creating a bit more space, but I don’t rely on it. If I use it, it’s usually before I move, not instead of it. Otherwise, your body will just settle back into the same pattern.

It’s less about the tool itself and more about how you follow it. Use it to open things up, then move in a way that reinforces something better.

If you’re using one, pay attention to what changes in your movement after, not just how it feels in the moment.

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Denver, CO

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+13035962568

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