Shaping Your Ultra Weekends at Every Age

female physiology female ultramarathon hormones menopause perimenopause women’s endurance
Trail Note · Women’s Endurance Physiology
the long run, shaped to you.

Shaping Your Ultra Weekends

at every age

Her Trails Journal   Evidence Informed   20 Week Framework
 

The right weekend structure for a 25 year old and a 48 year old does not look identical, and it does not need to. Both women can arrive powerful and prepared at the same 50 to 65 km start line. What shifts is how the same fundamentals land in a different body and a different life.

In Her Trails you are following a shared 20 week framework, not an age segmented plan. The fundamentals of good ultra training stay the same. The dose, the recovery and the way you read your own week are what change across the decades.

This Trail Note brings the hormonal guidance, age specific patterns and life stage adjustments together in one place. You can use it weekly. Look at your weekend, notice where you are hormonally and in life, and decide whether to run it as written, dial it down, or hold steady.

Section 01

The four levers you can adjust

Across all 20 weeks, you only need four dials. The week you are in, your cycle, your life and your age band tell you which one to nudge.

Lever 01 · Duration

The first thing to soften when life is heavy. Slide to the lower end of the prescribed range rather than cancelling the run.

Lever 02 · Intensity

Keep the run, drop the surges, climbs or pace targets. Time on feet still counts toward your ultra adaptation.

Lever 03 · Terrain

Swap technical, big elevation routes for gentle trail or runnable bush when fatigue, niggles or sleep have stacked up.

Lever 04 · Recovery day

Sunday is part of the weekend. Hike, walk, yoga or a jog walk all keep the training rhythm without compounding cost.

Coach Note

You do not need to redesign the plan. You are nudging dials so this week fits your real life. Across the 20 weeks, some weeks you will feel under challenged, others the same session will feel enormous. The dials are what keep you in the program.

Section 02

20 to 30 · Build the foundation you will use for decades

In your 20s you may recover quickly and feel almost invincible. The goal in this decade is not to do the most. It is to build durable habits, durable tissue and a fuelling baseline that protects the next 20 years of running.

Example 50 to 65 km weekend, peak block

Saturday. 3 to 3.5 hour long run on race like terrain, fully fuelled.

Sunday. 60 to 75 minute base run or hike, very easy, on gentle trail.

Ceiling. Occasionally, for slow or technical courses with strong recovery, you can extend Saturday toward 4 hours. Not as a default.

If you are thriving

Sleeping well, cycles regular, easy days feel easy, niggles quiet. You can sit near the top of the prescribed ranges and trust the build.

If fatigue, cycle changes or niggles appear

Hold Saturday at the lower end of the range, or trim by 15 to 30 minutes, and keep Sunday as written. Five to six hour long runs are not recommended here unless you are highly experienced and well supported.

Section 03

31 to 37 · Strong, busy, and learning your dials

Physiologically you are still in a strong window for ultra adaptation. Life is usually where the constraint sits. Work, parenting, caregiving and shifting sleep mean recovery becomes the variable to manage rather than capacity itself.

Example 50 to 65 km weekend, peak block

Saturday. 3 to 3.5 hour long run on race like terrain.

Sunday. 60 to 75 minute easy run or longer walk, gentle terrain.

High stress weeks. Hold Saturday closer to the lower end. Keep Sunday easy or swap to walking and yoga. Let the body catch up while the routine stays intact.

Across this decade, consistency on the lower end of the ranges almost always outperforms heroism at the top end.

Section 04

38 to 45 · Perimenopause and shifting recovery

In your late 30s and 40s, perimenopause can bring cycle irregularity, heavier or lighter bleeds, joint and tendon niggles, hot flushes and sleep disruption. None of this means you cannot train for ultras. It means each input lands on a more sensitive foundation, and the plan should already be built with that margin.

Example 50 to 65 km weekend, peak block

Saturday. 2.5 to 3.5 hour long run, terrain specific, fully fuelled.

Sunday. Walk, yoga, or short jog walk. Gentle by default.

Perimenopause deload week. A run of poor sleep, hot flushes or heavy cycles is a signal. Pull both days to the lower end of the range, even mid build. You stay in the program by honouring the physiology.

Why The Plan Already Builds In Margin

2.5 to 3.5 hour Saturdays paired with very gentle Sundays are not a downgrade. They are the prescription for this life stage. Extra room is baked in for recovery, bone health and mood so you do not have to guess your way through symptom weeks.

Section 05

45+ · Longevity as a performance goal

Post menopause, oestrogen and progesterone fall, and bone turnover, tendon health and sleep can all change. At the same time, many women in their late 40s, 50s and beyond bring deep mental resilience and pacing wisdom to long events. There is good evidence older women hold up well in very long efforts. The job at this age is to train in a way that lets the wisdom show up on race day.

Example 50 to 65 km weekend, peak block

Saturday. Lower end of the prescribed range, with full fuelling.

Sunday. Walk, yoga or gentle mobility. Protect sleep above all.

Use the upper end sparingly. With good medical clearance and robust recovery, occasionally extend a key long run. Truly long simulations should be rare and followed by extra recovery.

Strength that supports ultras in peri and post menopause

As oestrogen drops, maintaining muscle, tendon and bone strength becomes non negotiable for performance and long term health. The focus shifts from light toning to progressive strength.

2 to 3 short strength sessions per week, 20 to 30 minutes each.

Built around hinge, squat, push, pull, carry and single leg work.

Loaded progressively, not lightly. This is the work that protects bones and tendons.

Section 06

A weekly read for every age

Whatever your age band, the same weekly read keeps you in tune with the program. Run it on Friday evening or Saturday morning, before the long run lands.

Sleep this week. Has it been honest sleep or fragmented sleep.

Cycle and hormones. Where am I and what symptoms am I carrying.

Niggles. What is talking to me and how loud is it.

Life load. Work, caregiving, travel, emotional weight.

The dial. Based on the answers above, am I running the weekend as written, sliding to the lower end, or holding steady.

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Across the decades, the runner you become is the one who knew when to push, when to hold, and when to honour what her body was asking for. The plan does not change. The way you read it does.

shape the weekend, then run it.
Authorship & Sources

Written by the Her Trails coaching team. Draws on current research in women’s endurance physiology, hormonal influences on training response, perimenopause and menopause specific guidance for athletes, and applied work in long course ultra coaching.

Always work with your coach and medical team for the dose that suits your body, your hormones and your life stage.

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