Meeting Girls Where They Are

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Girls leave sport at twice the rate of boys by age 14. That number is getting attention right now, and that matters. But it isn’t new. Anyone who has spent time developing female athletes has watched it happen for decades. I’ve spent 25 years working with athletes across 30-plus sports, from adolescence to international podiums, and more than half of those athletes were female. I’ve also watched it play out in my own daughter’s athletic life. The conversation that follows the statistic usually focuses on: build more fun in, keep friend groups together, pay attention to what signals your environment sends about who belongs.

All of that matters. None of it goes deep enough.

The dropout isn’t a programming issue or an experience design issue. It’s a developmental literacy issue. The window where girls leave, ages 12 to 14, is the same window where the female body and brain are undergoing changes that are real, measurable, and almost completely unaddressed by the adults and systems around them.

Until we understand that, we’re rearranging the event experience while the actual issue goes unsupported.

The Body Changes First

Around 2010, as programs were preparing for the London Olympics, colleagues working in high performance environments across multiple countries were being commissioned to understand something that had been largely ignored in sport science: what menstruation actually does to a female athlete’s capacity to perform. The research wasn’t widely published yet. It was moving through practitioner networks first. What was emerging was consistent enough that it changed how I thought about every female athlete I worked with. The science that followed confirmed it. The majority of elite female athletes report their menstrual cycle affects performance, concentrated in the late luteal and early follicular phases, with measurable impacts on power, fatigue, recovery capacity, and the ability to absorb training load. That’s the adult athlete. Now apply it to a 13-year-old whose cycle is just establishing itself, whose body is simultaneously navigating rapid growth, and whose coach has no idea any of it is happening.

Girls enter puberty on average two years before boys, with the most rapid phase between ages 11 and 13. Bone lengthens faster than muscle and tendon can adapt. Coordination temporarily degrades. Proprioception shifts because the nervous system is calibrating against a body that looks geometrically different from the one it knew six months ago.

This is a physical adaptation lag, not a confidence issue. A girl who felt competent at 11 can feel clumsy at 13 for reasons that are entirely explainable and completely temporary. The issue is that almost no one explains them.

The injury picture confirms the stakes. ACL injury rates in female athletes run two to eight times higher than in male athletes in comparable sports, with risk spiking during and immediately after this growth phase. Estrogen, rising sharply at puberty, increases ligament laxity. A pelvis widening faster than hip musculature adapts creates structural loading conditions that no warm-up protocol alone resolves.

The athlete who shows up to training today is physiologically different from the one who showed up a few months ago. The shifts aren’t always visible from the outside. But on the inside, the body is evolving and everything that determines how she adapts, recovers, and responds to training and practice is adjusting. Most parents and coaches know this phase exists. What they don’t have is a way to understand it well enough to support it. And most girls don’t either. This isn’t common knowledge, and rightly so. It’s sensitive information that in the wrong hands can be exploited. But at the very least, the adults around a young female athlete need enough understanding to offer grace when her body is developing in ways she doesn’t yet fully understand and can’t yet fully feel the impact of.

The Brain Is Developing Too

What gets left out of almost every conversation about girls and sport dropout is this: the body isn’t the only thing changing. The brain is developing too. We notice the physical changes. We might notice shifts in attitude or personality. What we rarely connect is that those shifts have a neurological explanation rooted in the same developmental window.

I didn’t fully understand this with my own daughter until I realised that the only reason I recognised what she was going through, sometimes before she told me, was because I had spent years studying it in the athletes I worked with before she was ever born. Most parents and coaches don’t have that information before the support is needed. That’s why these conversations matter and why finding ways to make this kind of sensitive, nuanced knowledge part of how we prepare the adults around young female athletes is one of the most important things we can do right now.

The amygdala is more reactive to emotional and social stimuli during this developmental window in girls. Estrogen amplifies stress sensitivity. The part of the brain associated with rumination and worry is more active during this period. What this means in practice: at the exact moment when performance becomes variable and the body feels unreliable, a girl has a brain architecture that amplifies every negative signal and loops on it.

Brown and Gilligan’s longitudinal research captured what happens next. Before adolescence, girls trust their own perceptions. By early adolescence, that self-trust eroded. The internal question shifts from “how do I feel?” to “how do I look?” Once that shift takes hold, confidence doesn’t just drop. It loses its foundation. This isn’t character weakness. It’s a predictable developmental pattern with a neurological explanation.

Then the Culture Adds Weight

Decades of research on motivation and sport participation show that social pressure on girls to conform to gender roles accelerates sharply at puberty, precisely when identity is most malleable and peer opinion carries the most weight. Sport gets socially coded as masculine right at the moment girls are most sensitive to what that means for their identity. Nobody announces this to a 13-year-old girl. She just starts to feel it.

Research also shows that parents, teachers, and coaches provide meaningfully different feedback to girls and boys about athletic ability, even when actual performance is comparable. The environment is actively shaping a girl’s sport self-concept downward through dozens of micro-messages, most of them unintentional.

The result is an attribution error with serious consequences. A girl experiencing performance variability during this window reads the variability accurately. Something has changed. What she gets wrong is the explanation. Without better information, she lands on the one that feels most available: it’s permanent and it’s personal. Not “my body is going through something temporary.” Instead, “I’m just not that good anymore.”

That conclusion is false. But it’s completely understandable given how little information she has been given about what her own body is doing.

What Meeting Her Where She Is Actually Looks Like

Meeting her where she is starts long before a coach adjusts a training session or a parent asks the right question. It starts with someone in her life understanding what she is moving through well enough to recognise it before she has the words for it herself.

I was fortunate. Years of working with elite female athletes had put me inside this conversation before my daughter was born. In high performance environments I worked in, we learned to track how certain performance variables shifted depending on where an athlete was in her cycle. Once that understanding became part of how we operated, we adjusted accordingly. We stopped scheduling national testing during phases where we knew the data wouldn’t reflect what an athlete was actually capable of. It wasn’t a soft decision. It was a performance decision. The environment had to meet the athlete, not the other way around.

That experience shaped how I showed up as a father. I watched for the early signs. I told my daughter stories about the women I had worked with, athletes who had ground through this phase completely alone, who only encountered this kind of understanding as adults, after the hardest part was already behind them. When we first brought this kind of education into elite environments it wasn’t easy, especially as a man working with female athletes. It required care, humility, and a lot of listening before anything else.

So when my daughter came to me and shared something with me that I knew she didn’t have to, I felt honoured. We talked about what her body was doing not as a burden or an inconvenience but as something remarkable. Something uniquely hers. The kind of thing that, understood properly, doesn’t limit a young female athlete. It informs her. And the adults who are prepared enough to receive it with the grace it deserves get to be part of something that matters well beyond sport.

Carol Dweck’s growth mindset research has been applied extensively in youth sport. What’s less often applied is the upstream layer: growth mindset interventions work best when the person receiving them has accurate information about why performance is variable. You cannot build a growth mindset on top of a body that feels like a mystery.

What Parents Can Do Right Now

What I learned early on was to ask about energy before I asked about effort. Not “are you eating enough,” which opens a charged conversation before it’s welcome. Just whether she had energy. Whether she felt recovered before practice. Whether she was sleeping. Simple readiness questions that open the same information channels without the same weight.

What also helped was naming the growth window out loud. When my daughter grew significantly in a short period, I told her what was happening. “Your nervous system is catching up to your new body. This is normal. It’s temporary.” That sentence alone can redirect a narrative that would otherwise quietly become “I’m just not good enough anymore.”

Sleep was something I took seriously as a performance input, not a lifestyle preference. Eight to ten hours isn’t a guideline for elite athletes. It’s a developmental requirement for any adolescent trying to adapt to training load. In our house it was non-negotiable, not as a rule but as an understanding we built together.

What I also watched for was chronic low energy availability: fatigue that didn’t respond to rest, frequent illness, mood instability, or that particular thing where she’d say she just didn’t feel like herself. Those were never attitude signals in our house. They were physiological ones, and we treated them that way.

The last thing, and maybe the most important, is to advocate for environments that measure readiness and communicate it. A coach who knows a player arrived under-recovered can adjust. A coach operating without that information loads every athlete the same way regardless of what’s actually happening underneath.

The Gap Worth Closing

Dropout is a design issue. But the issue isn’t primarily about tournaments, uniforms, friend groups, or cohort sorting.

It’s about the absence of readiness infrastructure for female athletes at the age-group level.

We have the science. What we haven’t built is the delivery system that makes it available to families, coaches, and organisations in a format they can actually use on a Tuesday before practice. That’s one of the main reasons we built R1. Not to track performance. To give the adults around a young female athlete an accurate picture of where she actually is across Mind, Body, and Energy, and how those three interact and fluctuate during development, so that picture can inform better decisions made on her behalf.

If sport truly wants to keep young women through adolescence, it needs more patience and less urgency. More development and less optimisation. More rest and less pressure to perform before the foundation is ready to support it. Talent is not on a deadline. But we treat it like it is, and girls pay the price for that more than boys do and earlier than anyone admits.

She doesn’t need to figure it out alone. She never did.