Improvement Stalled? Confused by All the Opinions?
Jon Ackland
Exercise Scientist • High Performance Consultant • Endurance Specialist
WHAT THIS ARTICLE WILL HELP YOU SEE
Good training stops working if the body has adapted too well to that stress.
Progress often returns when the emphasis changes.
Different methods work when they challenge the body differently at the right time.
Been here?
You’re stuck on a training plateau and improvement has stalled.
You hear five different people give five completely different answers to “how to train.”
Then a new study appears and suddenly that is the “best” way to train.
There is a reason this feels so confusing.
Your body is adaptive. It is built to respond to stress, recover, and improve its chances next time. Training works by deliberately using that same mechanism.
You can do this by training:
something new
for longer duration
a greater muscular load
a higher movement speed
or in a new environment such as heat, altitude, or terrain
Each of these creates a stimulus that can push the body to improve in a particular way.
The body must be given a reason to adapt.
This is the first rule of training improvement.
The second rule is just as important:
A fresh enough stimulus is often what keeps adaptation moving.
You can do solid, evidence-based training and get a great improvement response. But after a while, that same training often produces less and less return. Your body has seen that style of duration, intensity, or muscular load many times before.
In a non-scientific sense, your body has become a little complacent.
It’s your body’s way of saying move on.
The adaptive response has gone stale.
What once built you can later become the thing that holds you back.
For some, it leads to one of two mistakes:
trying to force progress by doing the same training harder and harder, drifting toward overtraining
repeating the same workouts and expecting a different outcome
To understand what to do next, it helps to see how training normally progresses.
Training follows a progression
Training types tend to build in a logical order, with each layer supporting the next. Broadly, they can be grouped as:
Technique — doing the movement well
Technique endurance — doing it well for the duration of the event
Strength endurance — doing it well with greater muscular load
Speed endurance — doing it well at higher movement speed
Environment — doing it all while adapted to the required environment
Take marathon running as an example. A well-developed runner can:
run with sound technique
maintain that technique for 42.2 km
hold an effective stride length
sustain a high stride rate
in hilly terrain in the heat
That is how performance is built over time.
This progression usually occurs within a training block, often lasting around 7 to 14 weeks.
Now go up a level. What happens in the next programme, and the one after that?
Training across the year changes
Training creates accumulated fatigue. You cannot train hard all year round, so it is usually organised into multiple blocks with lighter recovery periods between them.
That means a year might contain multiple training blocks, not one endless stretch of the same work.
And those blocks should not all look the same.
To avoid staleness, the emphasis and novelty of training changes over time.
For example:
one block might emphasise technique endurance
the next might emphasise strength endurance
the next might emphasise speed endurance
There are many ways to cycle through these blocks depending on experience and requirements.
There are also many methods used inside a block — grouped hard days, polarised models, and other systems — but I believe the deeper reason they often work is the same: they create a fresh stimulus.
There is probably no single perfect method for everyone. Many methods are useful, partly because they place different demands on the body and can provide a fresh enough stimulus at the right time.
One practical idea keeps showing up:
Training variation and a fresh enough stimulus are often important parts of keeping adaptation moving.
So what should you do?
There is no benefit in moving away from a training form before you have extracted most of the improvement available from it. Ideally, you:
emphasise one quality
maintain what you have already built with a lower dose
and begin introducing the next training form quietly in the background
I think the more important truth is this:
You improve most when the training method matches where you are in your development.
cycle the emphasis of training across blocks rather than repeating the same pattern all year
use a new training form when the current one has gone stale
allow enough recovery for the body to absorb the work
If you understand this, you usually make much better progress.
That usually means cycling the emphasis of training across the year, so each phase stays fresh enough to keep generating adaptation.
In practice, this is the framework I use to organise those principles.
Three emphases are especially useful to cycle through:
Technique endurance
Strength endurance
Speed endurance
Put the block that best matches the demands of the event closest to the event, then work backwards.
For some events, especially ultra endurance events, that final emphasis may lean more toward technique endurance or strength endurance than speed endurance.
As these cycle types become familiar over the years, more advanced methods can add further novelty. These might include:
programme architecture — block, wave, or reverse periodization
intensity distribution models — pyramidal, polarised, threshold-focused
coaching systems — Lydiard, Norwegian method
session methods — HIIT, shock microcycles, concentrated intensity blocks, tempo or threshold continuous work
Each can work well when used at the right time.
The real takeaway
Stop assuming that more of the same is the answer.
Plateau is often not a sign that you need to try harder. It is a sign that your body may need a different reason to adapt.
That is why good training stops working.
And that is also why progress often returns when the emphasis changes.
If this feels relevant to where you are now, you can get in touch here.
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Occasional notes on smart endurance preparation, realistic goal setting, and better decisions inside the training process.
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