Trail Notes | Hormones & Female Physiology

Training through perimenopause, menopause and the transition years

You Are Not Declining.

You Are Adapting.

Perimenopause and menopause do not mark the end of a running life. They mark the beginning of a different relationship with training.

One that asks for more honesty. More recovery. More strength. More fuelling. More attention to sleep, heat, symptoms and support. Not less ambition.

Most training resources, even many written for female athletes, are designed around the reproductive years. They often assume a predictable cycle, a familiar recovery rhythm and a body that responds to training the way it did five or ten years ago.

Perimenopause can change that rhythm. Menopause changes the baseline. Your body is still trainable, strong and capable, but the way you support adaptation may need to evolve.

Trail Note  ·  01

The timeline: perimenopause, menopause and beyond

Perimenopause is the transition phase leading up to menopause. It can begin years before the final menstrual period, and the duration varies significantly. During this time, oestrogen and progesterone can fluctuate unpredictably. Cycles may become shorter, longer, heavier, lighter, skipped or irregular.

Menopause is defined as 12 consecutive months without a menstrual period. In Australia, menopause usually occurs between 45 and 55, with the average age around 51.

Post-menopause is the phase after that point, when oestrogen settles at a new, lower baseline. The training needs of each phase can be different. Perimenopause often asks for flexibility because symptoms can be unpredictable. Post-menopause may ask for more deliberate support around strength, bone health, recovery and heat regulation.

Trail Note  ·  02

Sleep disruption changes the training equation

Sleep disturbance is one of the most common and most disruptive symptoms of the menopausal transition. Hot flushes, night sweats, anxiety, increased waking and temperature changes can reduce sleep quality even when you spend enough hours in bed.

For a trail runner, this matters. Recovery from hard sessions, strength work and long runs depends heavily on sleep. If sleep is repeatedly fragmented, the same training load may take longer to absorb. What once took 48 hours to recover from may need more space now.

Trail Note  ·  03

Heat regulation and trail running

Many women notice that heat feels different through perimenopause and menopause. Hot flushes, night sweats, temperature sensitivity, sleep disruption and changes in fluid regulation can all affect how running feels in warm or humid conditions.

This does not mean you cannot train or race in heat. It means heat management becomes part of the strategy rather than an afterthought. You may need earlier starts, more conservative pacing, more deliberate cooling and a more practised hydration plan.

Trail Note  ·  04

Strength becomes more important, not less

Oestrogen plays a role in muscle, tendon, bone and connective tissue health. As oestrogen fluctuates through perimenopause and settles lower after menopause, many women notice changes in strength, power, body composition, stiffness or injury vulnerability.

This is where strength training becomes non-negotiable. Not as punishment. Not as an add-on. As one of the most useful tools for muscle, bone, tendon capacity, balance, climbing strength and long-term running durability.

For many women, the best approach includes progressive resistance training, loaded compound movements, single-leg work, calf strength, trunk control and, when appropriate, carefully introduced impact or plyometric work. The right dose depends on history, symptoms, injury risk and coaching support.

Trail Note  ·  05

Recovery windows may extend

Some women find that recovery from hard sessions takes longer during the transition years. This can be linked to sleep disruption, hormonal changes, fuelling gaps, life load, heavier bleeding, lower iron stores, increased stress or simply the accumulated demand of training through a changing body.

This does not mean you cannot train hard. It means hard work needs more space around it. Fewer back-to-back hard days. More deliberate easy days. More attention to protein and total energy intake. More deloads before your body has to demand one.

Trail Note  ·  06

Bone density: what running does and does not provide

Running is weight-bearing and can support bone health, especially compared with non-weight-bearing activity. But running alone may not provide the full range of loading that bones respond to best, particularly through and after menopause.

Bone responds to load that is progressive, varied and meaningful. Heavy resistance training, impact work when appropriate, single-leg strength, jumping or hopping progressions, and multidirectional movement can all play a role when introduced safely.

If you have a family history of osteoporosis, previous stress fractures, low energy availability, missed periods earlier in life, early menopause, prolonged under-fuelling or other risk factors, discuss bone density assessment with your GP. Calcium, vitamin D and adequate total energy intake also matter alongside training.

Trail Note  ·  07

Adapt the training. Do not abandon it.

The mistake many athletes make is to choose one of two extremes. Either train exactly as before and accumulate fatigue they can no longer recover from, or scale back so dramatically that strength, confidence and fitness begin to erode.

A better path is restructuring. Keep the core of what matters. Modify the density. Prioritise strength. Protect sleep. Fuel deliberately. Keep aerobic work. Keep some intensity where appropriate, but give it enough space to land.

Trail Note  ·  08

Menopausal hormone therapy and running

Menopausal hormone therapy, often called MHT or HRT, is not a coaching decision. It is a medical conversation between you and a qualified clinician. But it is relevant context for athletes because symptoms like night sweats, hot flushes, sleep disturbance, vaginal dryness, bladder changes, mood changes and bone density risk can all affect training and quality of life.

Current guidance is more nuanced than the old public conversation often suggests. For many healthy symptomatic women under 60, or within 10 years of menopause onset and without contraindications, the benefit-risk balance may be favourable for treatment of bothersome vasomotor symptoms and prevention of bone loss. But the right decision depends on your history, symptoms, risk factors, preferences and medical advice.

If symptoms are affecting your sleep, training, mental health, pelvic health, sexual health or daily functioning, it is worth speaking with a GP or menopause-informed clinician. You do not have to simply push through.

Trail Note  ·  09

What to track during the transition years

Cycle tracking can become less useful when the cycle is no longer predictable. Symptom tracking becomes more useful. The goal is not to monitor everything obsessively. It is to notice the patterns that help you train with more precision.

Trail Note  ·  10

Build your support team

Navigating the transition years as an athlete is not something you need to piece together from scattered advice. A good support team can make a practical difference.

A GP or menopause-informed clinician can help you understand symptoms, treatment options and health screening. A sports dietitian can support fuelling, protein, calcium, iron and energy availability. A physiotherapist or strength coach can help with load, strength, tendons, bone and injury risk. A pelvic floor physiotherapist is worth considering if you notice leakage, urgency, heaviness or pelvic symptoms during running.

Reflection prompt

Adapt, strengthen, keep moving

General education only, not medical advice. Menopause symptoms can overlap with other medical conditions. Speak with a GP or qualified health professional about persistent symptoms, heavy bleeding, new pain, unexplained fatigue, bone health risk, sleep disruption, pelvic floor symptoms, mood changes or MHT decisions.