Much of the training science behind running apps was measured on men. Trailwise is femtech as well as a running coach. Your cycle, your ferritin, a pregnancy or the menopause all change what Trailwise tells you today.
In the week before your period your resting heart rate climbs and your HRV dips. Most apps read that as illness or overtraining and tell you to rest.
The usual maximum heart rate formula came from a mostly male group, so your training zones can start a few beats off.
A late period is often the first sign of under-fuelling. Your training app is rarely looking for it.
And then there is a pregnancy, a return to running, or the menopause, and the plan carries on as if nothing happened.
Tick the first day of your period. That is all it takes.
Trailwise estimates cycle phase from your logs. Basal-temperature records can support that estimate, but the model does not confirm ovulation or rule out illness. Cycle-aware guidance is optional and adjusts the daily interpretation of signals. It does not schedule hard and easy weeks by predicted phase.
A late period and a low ferritin reading are early warnings, and Trailwise treats them that way.
Log a period that is late, or the ferritin value from your last blood test. Trailwise raises it gently, on your dashboard and in chat, and points you to a doctor or a dietitian. Your plan proposal gets a lower peak and a gentler ramp until the signal clears, because bone stress injuries follow under-fuelling. Trailwise never diagnoses and never tells you to start supplements on your own.
Life stages to train through, with a coach that changes gear.
Tell Trailwise in your settings. During pregnancy and after giving birth the plan drops to a gentle return-to-run shape, with no intensity and no return date until your clinician clears you. In perimenopause and menopause quality sessions stay on the table when your day allows, and the plan schedules three strength sessions a week instead of two, for bone and muscle. Anything medical, HRT included, stays with your doctor.
Tonight’s session is there, and easier than the one you expected. One line says why: the days before your period, after a short night.
You tick that your period started. That is the whole log.
You run, it goes fine, and by the time you have showered the rest of the week has been rebuilt around a cycle that just started over.
Nothing to configure. You did not have to explain your body to anyone.
Cycle-aware coaching stays off until you switch it on. It never restricts what you are allowed to do.
Get startedMost tools were built on research run on men and then offered to everyone. The cycle, if it is there at all, is a widget on the side. Trailwise starts from the opposite end. Being a woman is an input to the coach brain. It reaches your maximum heart rate, how your recovery is read, and how conservative your plan is. Your life stage decides what the plan is allowed to ask of you.
That is also why the history matters. A pattern across your phases, a ferritin value sliding, a gap in your fuelling: none of them exist in a week of data. A pattern only exists if something remembers far enough back to see it.
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