Four and a half hours of threshold work in five days. Insane.
A few years ago, that would have been two weeks of work, maybe more. I would have needed several days to recover from it.
Today I want to break down what actually changed, what I did, what is working, what is messy, and give you something to think about as you seek your personal best.
The Work You Did Not See
For three and a half months, I barely did anything hard.
There were no dramatic interval blocks, no test weeks, no chasing peak power numbers. Just steady aerobic work.
Hours on the bike. Consistent cadence. Low emotional cost.
It was not flashy. It was not exciting. It did not look impressive on Strava. But it built the engine.
When you build your engine long enough, something subtle happens. Threshold stops feeling like a threat. It starts feeling like a gear you can sit in and control.
What the Week Actually Looked Like
This week included 275 minutes at threshold. The next week will be higher, and the week after that higher again.
Right now my longest intervals are 15 minutes. Soon they will move to 20 minutes or more, sustained efforts that require focus, fueling discipline, and restraint.
That restraint is the real key.
Threshold only works if you keep it at threshold. In fact, I’m playing it extra safe, and I am at 95%.
Let’s Not Pretend This Is Perfect
Today I woke up at 3:30 a.m. to train. That is not optimal. It is simply logistics.
When you compress this kind of workload into a full work week, something gives. Right now, sleep is the pressure point.
Low sleep combined with high training stress is not a forever strategy. It is a phase.
The saving grace is two full rest days every weekend. Completely off. No active recovery and no extra endurance ride.
That reset keeps the system steady. Without it, this approach would fall apart.
Body Composition Is More Complicated
High training load, lower sleep, carb dense fueling, and work stress during the day do not create ideal conditions for leaning out.
Add reduced run volume, which used to be my metabolic equalizer, and body composition has stalled more than I would like.
That is real.
Performance blocks and aesthetic goals do not always move together. Sometimes you are building capacity rather than cutting weight.
You have to know which season you are in.
Why This Is Possible Now
A few years ago, two by fifteen minutes at threshold felt like a complete session. Now I can stack multiple long intervals on back to back days and still show up ready to work.
The difference is not toughness. It is aerobic depth.
Months of steady work increased durability, improved lactate clearance, and expanded what normal feels like. Now when I sit at threshold, I am not dying.
(Yes, this is an improvement).
What Is Next
This week was four and a half hours. In two weeks, it will approach six.
The intervals will get longer. The density will increase. Then it will be time to validate it outside.
Indoor numbers are promising and stronger than I have seen before. The open road will confirm what is real.
I am excited, not because it is flashy, but because it is working.
Before You Try This
If you are thinking about jumping into five hours of threshold work, pause.
Did you build the base? Is your recovery protected? Are you disciplined enough to hold intensity where it belongs?
High threshold volume without an aerobic foundation is not ambitious. It is reckless.
The larger lesson is simple. The work that once broke you can become your baseline, but only if you build toward it patiently.
Protect recovery. Build the engine first. Then turn the dial.
When it feels hard, that is capacity expanding.
ps want to see the framework I used for inspiration? You can download it here: https://www.howtoskate.se/
