Looking down from Mackinnon Pass into a deep green Fiordland valley below a snow-streaked peak
Looking down from Mackinnon Pass into a deep green Fiordland valley below a snow-streaked peak
New ZealandGreat Walks · After 50

Are You Fit Enough for the Milford Track After 50?

What Milford really asks of your body, the three worries hiding behind "am I fit enough?", and how to find out where your fitness stands.

Nathan GeeBy Nathan Gee, BSc Sports Science, strength and conditioning coach · · 5 min read

Picture the fourth morning on the Milford Track. Yesterday you climbed more than 500 metres to Mackinnon Pass, stood in the cloud at 1,154 metres feeling rather pleased with yourself, then spent the afternoon going down about 1,000 metres of rock, roots and wooden steps.

Now you're pulling on boots that haven't quite dried. Your thighs complain about the first step off the hut porch. The boat at Sandfly Point is still 18 kilometres away, and the sandflies are already up.

Nobody frames a photo of that moment. But it's the one I'd most want you ready for.

The real test

The climb gets all the attention. But your ability to walk again the next morning might tell us more about your preparation.

01 / The short answer

How fit do you need to be for the Milford Track?

No birthday rules Milford out, whether it's your 50th or your 70th. DOC says the track "is not suitable for all walkers", but preparation decides which group you're in, not age.

Fit enough to walk around six hours, handle a long, steady climb, control a much longer descent the same afternoon, and then walk out the next morning. Often in the rain.

Being over 50 isn't the problem. Being unprepared for Milford's particular demands is.

Want the full route, day by day? It's in How hard is the Milford Track?

02 / Three demands, in pictures

Up, down, and on again

The track crossing tussock and a small tarn near the top of Mackinnon Pass, with mountains beyond
01 · The climbNear the top of Mackinnon Pass, 1,154 m. Getting here means more than 500 m of steady zigzag climbing.
A steep, green mountainside near Mackinnon Pass dropping towards a valley floor far below
02 · The brakingSteep ground near the pass. The way down to Dumpling Hut drops about 1,000 m, and your thighs control every step.
Two walkers with large packs on a gravel track in the Clinton Valley, with steep mountains ahead
03 · The long daysWalkers in the Clinton Valley. Gentle, beautiful and long: this is where the hours add up, day after day.
1 of 3 · swipe for more
03 / The questions behind the question

Three worries worth taking seriously

"Am I fit enough?" usually hides something more specific. These three deserve a proper answer.

“Will I hold up the group?”

Someone is always at the back, and on a multi-day walk that's no crime. Most people are far too busy managing their own legs to judge yours. Guided walks do have day timings, so ask your operator how the day runs.

The pace that works is one you could hold all day while talking in full sentences: quick enough to reach the hut in good time, steady enough to leave something for tomorrow. Chase the quickest walker for two hours and you'll often be the one flagging by mid-afternoon. The tortoise had a point.

On long walks, notice how you feel in the last hour. That's the gap worth closing, not your speed on the first hill.

Go deeper: Zone 2 and the talk testHow to pace a long climb

“I used to be fit, but I haven't hiked seriously for years.”

Past fitness is a good sign: you know how to train and your body has adapted before. It isn't the same as being ready now.

Strength, stamina and tolerance for long descents fade without regular use, and come back through consistent training, not memory. The catch is that confidence outlasts conditioning: your head remembers the 25 km days, your thighs remember last Tuesday.

Treat old fitness as a head start, not a ticket, and rebuild what Milford asks for: long days, the descent and back-to-back walking.

Go deeper: Building up to long hiking daysTraining for back-to-back days

“My knees are my biggest concern.”

Separate three things. Achy thighs after a long descent are normal: your quads have been braking for hours, and soreness peaking a day or two later is muscle that isn't used to the work.

Wobbly knees or legs that tremble on steep steps usually point to strength and control that needs building, which is very trainable. Pain that's sharp, swells, catches, lingers or changes how you walk is different: get it assessed by a physio or GP before you ramp up, rather than pushing through.

Practising the way down helps: legs that have done some downhill work tend to get less sore next time (the repeated bout effect).

Go deeper: Training your legs for downhillKnee strength for hikers

Not sure which of these is your weak link? The free readiness check shows you in about three minutes.

04 / Pack weight and itinerary

Guided or independent: what changes for your body

Same pass, different days. How you walk Milford changes what your legs carry and for how long.

  • You carry everything: four days of food, a warm sleeping bag, cooking gear and waterproofs.
  • Huts are simple: bunks, cold water, basic cooking facilities, no showers.
  • Stages: 5 km, 17.5 km, 13 km over the pass, 18 km out.
What it means for training

Pack weight is the big one: every extra kilo is something your legs have to brake on the way down. Train with the pack you'll actually carry; the pack training guide covers how to build up to it.

Itineraries change. Check current details with DOC or the operator before you book.

05 / Coaching insight

Does training change after 50?

The principles don't. Your legs still adapt to what you ask of them, and strength training works for older adults; that's one of the best-supported findings in exercise science. What changes is how individual it gets. Two 62-year-olds can need very different starting points, depending on training history, recovery, old injuries and how long they have before the trip.

I've coached more than 500 people over eight years, many in their fifties, sixties and seventies. Here's where I'd put the emphasis:

  • Start earlier. Build gradually rather than cramming the last month.
  • Rehearse the morning after. A long, hilly walk followed by an easy one the next day tells you more about Milford than any single big day.
  • Be consistent before you're heroic. Regular, manageable sessions beat one epic weekend that wrecks you for a week.

For the bigger picture on preparing in your fifties and beyond, see Hiking and trekking after 50.

If you have a heart condition, high blood pressure or a joint replacement, have a chat with your GP before you ramp things up.

06 / Your next step

Not sure what you need to train first?

Most people train more of what they already enjoy. But you can be active, walk most weekends and still have a gap Milford will find, usually on the long descent or the morning after.

The free Trek Readiness Assessment takes about three minutes and shows the biggest training gap in your answers, so your effort goes where it counts.

Check My Trek Readiness

Want the plan laid out for you? Trek Ready is an eight-week programme, and 1:1 coaching builds it around you.

07 / Questions

Milford Track after 50: quick answers

How fit do you need to be for the Milford Track?

Fit enough to walk for around six hours, cope with one big climb and an even bigger descent, and still walk comfortably the next morning. It's durability more than speed.

Can you walk the Milford Track in your 60s or 70s?

Age alone doesn't decide it; preparation for the descent and back-to-back days does. Check with your GP first if you have a heart, blood pressure or joint replacement history, and check the operator's requirements if walking guided.

How should I prepare if I haven't hiked seriously for years?

Start earlier than you think and build gradually: longer walks, some downhill and two walking days in a row. The guided operator suggests six to eight weeks for non-regular walkers; after a long break, more time is kinder.

Written by Nathan GeeSports science graduate (University of Chester), qualified strength and conditioning coach and former adventure guide. Founder of Peaksted.
Sources and photo credits

Sources

  1. Department of Conservation. Milford Track: track description, day stages, hut facilities, weather and safety. Checked 28 October 2026.
  2. Ultimate Hikes. Milford Track guided walk: itinerary, lodges and fitness guidance. Checked 28 October 2026.
  3. Fragala MS et al. (2019). Resistance training for older adults: position statement from the NSCA. Journal of Strength and Conditioning Research.
  4. Chodzko-Zajko WJ et al. (2009). Exercise and physical activity for older adults. ACSM position stand. Medicine & Science in Sports & Exercise.
  5. McHugh MP (2003). Recent advances in the understanding of the repeated bout effect. Scandinavian Journal of Medicine & Science in Sports.
  6. Cheung K, Hume P, Maxwell L (2003). Delayed onset muscle soreness: treatment strategies and performance factors. Sports Medicine.

Photos

  1. Hero: View from the Mackinnon Pass 2014 1 by AlasdairW, licensed under CC BY-SA 3.0, via Wikimedia Commons. Resized and cropped.
  2. The climb: Milford Track Mackinnon Pass Track 1 by AlasdairW, licensed under CC BY-SA 3.0, via Wikimedia Commons. Resized and cropped.
  3. The braking: Mackinnon Pass on Milford Track, New Zealand by David Broad, licensed under CC BY 3.0, via Wikimedia Commons. Resized and cropped.
  4. The long days: Clinton Valley by Ray Hayward, licensed under CC BY-SA 3.0, via Wikimedia Commons. Resized and cropped.

This article is general fitness education, not medical advice.

Trek-specific preparation for demanding objectives.

Trail Notes

Practical trek training, pacing and field notes for your next objective.

© 2026 Peaksted. All rights reserved.

PREPARE WELL. TREK FAR. RESPECT ALWAYS.

Trek-specific preparation for demanding objectives.

Trail Notes

Practical trek training, pacing and field notes for your next objective.

© 2026 Peaksted. All rights reserved.

PREPARE WELL. TREK FAR. RESPECT ALWAYS.

Trek-specific preparation for demanding objectives.

Trail Notes

Practical trek training, pacing and field notes for your next objective.

© 2026 Peaksted. All rights reserved.

PREPARE WELL. TREK FAR. RESPECT ALWAYS.