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Marathon Calculator of MARCO
The MARCO strategy was created for your marathon according to your performance inputs.

Your target marathon finish time is:   3:39:56 h  sign in...
Your average marathon pace is:   5:13 min/km
Your "Negative Split" of each section:   +3.2% / +1.4% / +0.0% / -1.8%
Your average heart rate during the race is:   163 bpm (beats per minute)

In order to achieve this target finish time, you must complete an extensive marathon training. You should recover sufficiently before the marathon (up to 2 weeks) and pace your marathon according to MARCO as shown below.

Do you want to run your marathon together with other people?
If yes, then mark your marathon here with "sports buddies" and meet new runners with a similar target time at your race.

 km   min/km   Time   bpm   Comment 
 1 km   5:23   0:05:23   147 
Remain calm after the starting gun and consciously keep your heart rate low (maximum of 147). It will rise later. Start running with an average of only 5:23 min/km. Therefore, prior to the race, you should practice getting a feel for the correct running speed. In open marathon races, each kilometer of the race is clearly marked so that you can adjust your speed at any time.
 2 km   5:23   0:10:46   147 
Excitement before and during the start can cause your heart rate to be higher than indicated here. This is very well unavoidable. Nevertheless, a slow start and budgeting your energy are important factors in achieving your target finish time or personal marathon record. For this reason, do not allow cheering spectators to push you to an increased running speed.
 3 km   5:23   0:16:09   149 
At a lower intensity, you initiate your marathon primarily with fat consumption. With this, you save valuable carbohydrates, which you will desperately need later.
 4 km   5:17   0:21:26   154 
Now, increase your speed to 5:17 min/km. Here, your heart rate should be around 154. Check your actual time at each kilometer mark and alter your speed as needed. We recommend using a watch, with which you can take intermediate times (LAP-function).
 5 km   5:17   0:26:43   155 
Drink a few swallows of water or isotonic beverage every 5 km (you may also want to eat a half of a banana).
 6 km   5:17   0:32:00   155   
 7 km   5:17   0:37:17   155 
Your pulse should now be about 155 beats per minute.
 8 km   5:17   0:42:34   155   
 9 km   5:17   0:47:51   156   
 10 km   5:17   0:53:08   156 
You know that you can run 10 km faster than 0:53:08. But, the main thing here is not completing a short distance race, but rather "finishing" a marathon in the target time of 3:39:56.
 11 km   5:17   0:58:25   156   
 12 km   5:17   1:03:42   156   
 13 km   5:17   1:08:59   157   
 14 km   5:17   1:14:16   157   
 15 km   5:13   1:19:29   162 
You can now speed-up to your average marathon running pace of 5:13 min/km. Your body still has a lot of carbohydrates. Now, running is really fun.
 16 km   5:13   1:24:42   162   
 17 km   5:13   1:29:55   163   
 18 km   5:13   1:35:08   163 
Over the course of the marathon, your heart rate will constantly rise. First of all, because you increase your speed according to MARCO and, secondly, because your body digests more and more fat, which requires an increased amount of oxygen.
 19 km   5:13   1:40:21   163   
 20 km   5:13   1:45:34   163 
Your pulse is now approx. 163 beats per minute. This is about the average heart rate for your marathon.
 21 km   5:13   1:50:47   164 
You have now reached the halfway point of the marathon at 21.1 km. Note the intermediate time of 1:51:18 for the half distance before the race, because it should be greater than half of your target marathon finish time!
 22 km   5:13   1:56:00   164   
 23 km   5:13   2:01:13   164 
If you run downhill for a time, "just allow yourself to run a little faster". But always run slowly when going uphill. Pay attention to your heart rate here, because it should also not rise when going uphill (maximum of 164).
 24 km   5:13   2:06:26   165   
 25 km   5:13   2:11:39   165 
Don't forget to regularly consume liquids every 5 km.
 26 km   5:13   2:16:52   165 
An old bit of marathon wisdom says: "You warm up in the first 32 km and the marathon begins at kilometer mark 32."
 27 km   5:13   2:22:05   165   
 28 km   5:13   2:27:18   166   
 29 km   5:07   2:32:25   171 
In the last third of the marathon course, force your speed to 5:07 min/km.
 30 km   5:07   2:37:32   171 
Drink a little.
 31 km   5:07   2:42:39   171   
 32 km   5:07   2:47:46   171 
You "only" have 10 km left to run. This distance is familiar to you and you keep a cool head.
 33 km   5:07   2:52:53   172 
You now notice that you are constantly "swallowing" other runners and are no longer being passed.
 34 km   5:07   2:58:00   172   
 35 km   5:07   3:03:07   172 
More and more "runners" are starting to walk on the left and right of you. Some of them are doing stretching exercises on sidewalks, against walls of houses, trees, etc. But you maintain your speed.
 36 km   5:07   3:08:14   173 
Your pulse is 173 beats per minute.
 37 km   5:07   3:13:21   173   
 38 km   5:07   3:18:28   173   
 39 km   5:07   3:23:35   173 
If you have budgeted your energy reserves according to MARCO up until now, you can continue your calculated speed of 5:07 min/km.
 40 km   5:07   3:28:42   174 
The marathon is not yet over after 40 km. The last 2.195 km are often underestimated. On average, you will need a full 11 minutes for this remaining distance.
 41 km   5:07   3:33:49   174 
If your carbohydrate reserve is now nearly empty, you will be forced to throttle back your speed somewhat. Your fat reserves then become the main fuel for the muscles in the last kilometers.
 42.195 km   6:07   3:39:56   174 
Congratulations! You've done it and kept running until the end. Even if you had to sacrifice a couple of seconds at the end, you have achieved your target finish time of 3:39:56.

The marathon distance of 42.195 km was divided into three equally long distances of 14 km, whereas the first third is divided once again into a smaller (3 km) and a larger part of 11 km. Each of the four sections is completed with a constant running tempo. You should approach the first 3 km very slowly in order to first get your circulation going with a low rate of carbohydrate consumption. You need approx. 16 minutes for this. This is normal.

Paces recommendations related to your marathon target time of 3:39:56 hours:

Your race paces (fastest possible)
Marathon race pace5:13min/km  Target: 3:39:56 h
Half-marathon race pace4:56min/km  Target: 1:44:02 h
10 km race pace4:39min/km  Target: 0:46:27 h
5 km race pace4:24min/km  Target: 0:21:58 h
3 km race pace4:13min/km  Target: 0:12:39 h
Your training paces
10 km tempo run5:03min/km
15 km tempo run5:13min/km
Intensive Endurance5:24-5:28min/km
Extensive Endurance5:57-6:12min/km
Active Recovery6:12-6:27min/km
Your paces for the short intervals
200 m interval0:45min3:45min/km
300 m interval1:10min3:53min/km
400 m interval1:36min4:00min/km
600 m interval2:28min4:07min/km
800 m interval3:32min4:25min/km
1000 m runs4:30-4:36min/km
2000 m runs4:45-4:52min/km
3000 m runs4:54-5:01min/km

feelRace wishes you lots of success.

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