Challenge – Running 10 Miles A Day For Two Weeks

Challenge number 1, running 10 miles a day for two weeks is done, and what a cool experience it was. I honestly didn’t think I’d be able to do it, which is why I took so long in promoting this. I had a nightmare about it the night before starting, and got off to a slow start because of fear (and maybe a bit of body adjustment), but was surprised with how quickly I found a rhythm. Also pumped that my knee didn’t give me many issues (more on that below.) I think the coolest part about this is how it’s made me realize what I’m capable of both physically and mentally. I’m grateful that I have the tools necessary to do this kind of thing, and don’t want to take it for granted. 

Prior to starting, a half marathon (21km) felt like my limit and was definitely doable but also quite intimidating. Now 21km (13 miles) doesn’t feel like much at all. I for sure see a full marathon in my near future and plan on keeping this running momentum going. 

Physically, my biggest takeaway is the importance of taking good care of my body. Lots of stretching (about an hour a day), cold tubs (10 degrees or less) for +/- 15 minutes, and beating my body with the Theragun was key. It’s tough to squeeze these things into your schedule but so worth it!

I’m going to make these write-ups into a bit of an organized data dump. So feel free to have a scroll and check out how running 10 miles (16km)  a day for 2 weeks effected my body.

More can be found on my instagram at @andrewdelmarfitness.

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The Evidence

All my runs plus a 21km that I did 4 days after finishing. Haters take note.

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Average HR vs. Pace

Here you can see that my average HR during runs had a direct correlation to my pace times. The faster the run, the higher the average HR.

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Resting HR

I was surprised to see my Resting HR so high while doing this thing, and relieved to see it drop drastically once finishing. A low Resting HR = improved fitness. Big win. 

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HRV increase

Very happy to see an increase, though not sure how significant 2.07ms is. I had some days where HRV was weirdly low (you want a high HRV), and it’s impossible to know why. Either way, I’ll take the increase as a win. 

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Wake Time

Not good… If it was just a slight increase, I wouldn’t even think twice, but 16 minutes feels significant. This is most strange because I felt I was much quicker to fall asleep at night because of exhaustion, so not sure why my sleep would be interrupted more. There may be other variables at play like eating more carbs too close to bed time, but who knows.

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Body Weight

Another weird one. I can understand adding on a bit of muscle (though even that is a bit surprising), but I actually added on fat. My daily calorie burn was about 3000 calories and I don’t think I was eating quite that much every single day, but maybe my body doesn’t love a high carb diet. Or maybe it was just confused from overtraining and didn’t know how to burn fat for a bit.

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Mental Calm and Focus

I think this is the result of listening to podcasts for about 24.5 hours over 2 weeks. I have a wandering mind and often get distracted. Same deal while running. Maybe my mind was being conditioned to be out of focus, which carried over to my meditation time.

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A few random Body Metrics

Most notable:

  • Muscle mass
  • Fat mass
  • Basal Metabolic Rate (how many calories your body burns just to stay alive.)
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General Energy

Of course, general energy throughout the day was significantly lower. My muscles burned throughout the day for most of it but I actually saw improvement in my fatigue nearing the end of the 2 weeks as my body became adjusted to the load.

The Data Dump

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A bit of patellar/ knee tracking issues but all good! Tape always saves the day.

My base for the year. 768km less the 224km that I did for this equals 544km (338 miles.)

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Love these♥️. Asics Gel Nimbus 21’s on the right and New Balance Fresh Foam Tempos on the left. The Asics are being put into retirement after about 620 miles (1000km.)

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The Ginger Night King. The coldest day was -2.2 fahrenheit (-19 celsius) with the windchill. I could deal with cold by bundling up, it was the snow in the eyes that was most annoying. Ironic that the day after I finished, the temperature rose to normal fall weather. Oh well, it made for better content I guess.

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Feeling the burn🥶. I did 15 minutes almost everyday in the cold tub, both for improved blood flow and to numb the pain. It’s a tough initial 5 minutes then you go numb and feel nothing. The water was at 10 degrees celsius (50F).

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An hour a day keeps the physio away. I had one day with some minor knee tracking issues but other all good. Got to love a loose ITB🔥.