Your fastest kilometer doesn’t make your fastest 5K
You check your run, and there it is: your fastest kilometer yet. Nice! Maybe that was exactly what you felt like doing today. You wanted to see what you could do, set a personal record, and head home feeling good. Nothing wrong with that, but making it your goal every time probably will not get you the results you are hoping for.
Over time, you often want to keep progressing. Regular, steady endurance runs can help you do that. That one fast kilometer only tells part of the story. What happened during the rest of your run? Could you maintain that pace, or were you mostly just glad to be home by the end?
Run Trainer’s Speed Map lets you look at how the run unfolded. Beyond your average or your fastest stretch, you can see how your speed varied across the whole route.
Is a fast kilometer a goal in itself?
Sometimes you enjoy an easy loop. Other times you want to find out how fast you can run a kilometer. A kilometer PR can be exactly the kind of challenge you enjoy. You do not need to follow it up with a 5K record.
The difference comes down to the question you ask afterward. Were you trying to run a fast kilometer? Then that time matters. But were you aiming to hold a steady pace over the whole distance and develop into a runner who can eventually post a good time at a 10K or 20K event? Then that kilometer record is less relevant. What you really want to see is how you distributed your pace throughout the session.
Green on your Speed Map is not a grade
After your run, Speed Map displays your route in different colors. Those colors are based on the average for that individual run:
Green: you ran faster than your average running speed.
Orange: you ran close to your average pace.
Red: you ran slower than your average running speed.
Green probably catches your attention right away. It is easy to see it as the part where you were doing well. Yet the color only tells you that you were running faster than average during this run. It is not a judgment of how good your workout was.
A green section at the start could mark the point where you set off faster than you could maintain later. An orange route, on the other hand, could show that you ran much more consistently. You do not need to collect green sections to have a successful endurance run.
An even line tells you more about a steady run
If you set out for an endurance run at a constant pace, pay particular attention to how consistent the color stays along the route. A mostly even orange line shows that your speed stayed close to your average throughout the run. That is useful information about your ability to hold a steady pace.
Imagine running the same flat loop twice. The first time, you start quickly, several opening sections are green, and the final stretch turns increasingly red. The second time, you start with a little more control and the route stays much more even in color. Even without a new fastest kilometer, that second map tells you something useful: you distributed your pace more consistently this time.
Compare the map with your own experience: did you run the way you planned, and how did the final stretch feel?
A red finish keeps showing up? Look at your start
An isolated red patch is different from a final stretch that turns almost entirely red. Do you regularly see that pattern on comparable endurance runs and remember struggling to hold your pace? That longer red line shows where you slowed down toward the end.
If so, look back at the beginning too. Did you head out enthusiastically every time, with a bright green line? Did it feel fine at first, then gradually become harder work? That gives you a reason to start with a little more control on your next comparable run and see whether the ending unfolds differently.
The map can help you recognize that pattern, but it does not necessarily tell you why you slowed down. An intentional cooldown, a climb on the way back, a headwind, or a few street crossings can also explain a red finish. Your own memory of the route belongs alongside the colors.
Read Speed Map alongside your own memory of the run
During interval training, you deliberately change speed. Color changes make sense, and a completely even route is not what you are trying to achieve. The same applies if you run one section easily and then intentionally speed up, or decide to test that one kilometer today.
On a hill route, you do not have to force yourself to maintain the same speed just to make the map look good, either. Speed Map shows your speed, not how much effort each section took. Start by thinking about what you intended to do, then consider whether the pattern fits.
So after your run, when you settle onto the couch after a refreshing shower, take a closer look at your Speed Map. Does the map match your experience? Does the distribution of colors make sense? Or can you recognize that you gave too much during the first 70% of your run and struggled to finish comfortably? Use the map to recognize patterns, but remember that the colors alone do not tell your whole story.
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