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Jonathan logged 28875 miles.

Last workout 9 days ago. Help get them back on track!

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Entries

  1. On Friday I'll be in Denmark, where the high is going to be 67f. The dog days of summer are over for me!

  2. RUN
    alright 4 mi 00:34 08:30 pace

    Treadmill run

    Cumulative distance for Running: 54.30 mi/7 days, 102.60 mi/14 days, 190.70 mi/28 days, 2,158.30 mi/Year, 1,254.70 mi/YTD, 47,043.40 mi/All
    TRIMP 123, Weekly TRIMP 1514, Monotony 0.... read more

  3. A review of the Suunto Spartan Ultra; it's nice to see my GPS accuracy testing being put to good use. http://buff.ly/2bd7ey3

  4. RUN
    alright 4 mi 00:34 08:30 pace

    Cumulative distance for Running: 65.40 mi/7 days, 112.20 mi/14 days, 186.70 mi/28 days, 2,174.30 mi/Year, 1,250.70 mi/YTD, 47,039.40 mi/All
    Heart Rate: Average=128, drift=13 BMP, 58% HRR, 50% VO2ma... read more

  5. RUN
    alright 16 mi 02:15 08:25 pace

    Cumulative distance for Running: 65.40 mi/7 days, 112.20 mi/14 days, 186.70 mi/28 days, 2,174.30 mi/Year, 1,250.70 mi/YTD, 47,039.40 mi/All
    Heart Rate: Average=135, drift=20.2 BMP, 63% HRR, 56% VO2... read more

  6. My initial testing of Wahoo TICKR. The smoothness measure looks cool, but has it's problems. http://fellrnr.com/wiki/Wahoo_TICKR_Run

  7. I added some notes on DIY energy gels and a link to a recipe. http://fellrnr.com/wiki/Comparison_of_Energy_Gels http://fellrnr.com/wiki/Comparison_of_Energy_Gels

  8. I've added a column to show which running sensors export data. Please let me know if there's anything I'm missing. http://fellrnr.com/wiki/Running_Sensors

  9. You know you're English when you run 19 miles in the sweltering heat & then drink hot tea. And the Tea's Assam. And you know what Assam is.

    • Alexander R.
      Alexander R.

      hmm I'm pretty sure I'm not English, but I did the same thing yesterday. I love hot tea, esp on warm days. I ran only 17 miles, however

      12 days ago Like1 person

    • Paul S.
      Paul S.

      Nice!!

      11 days ago Like

    • Allan B.
      Allan B.

      I recently read a link between tea and anemia in small Indian girls. Hows that for a buzz kill? Oh, and another on how iron supplementation prolongs muscle damage after heavy workouts. Thanks 'reseach.' I think I'm still going to enjoy my tea anyway.

      11 days ago Like

    • Jonathan S.
      Jonathan S.

      Allan - Yes, tea tends to block iron, so I take it at different times. I've not seen the research on iron and muscle damage; can you post a link?

      10 days ago Like

  10. My initial review of the Lumo running sensor. It shows some promise, but overall I'm underwhelmed. http://fellrnr.com/wiki/Lumo_Run

  11. Shared Photo

    19 miles of running, split into 7 sections to test 6 sensors. I had to create a spreadsheet to keep track of it. http://ift.tt/2aUHKSm

  12. RUN
    alright 6.5 mi 00:54 08:20 pace

    Cumulative distance for Running: 58.60 mi/7 days, 105.50 mi/14 days, 175.50 mi/28 days, 2,174.20 mi/Year, 1,230.70 mi/YTD, 47,019.40 mi/All
    Heart Rate: Average=138, drift=35.3 BMP, 65% HRR, 58% VO2... read more

  13. RUN
    alright 12.25 mi 01:56 09:28 pace

    Cumulative distance for Running: 58.60 mi/7 days, 105.50 mi/14 days, 175.50 mi/28 days, 2,174.20 mi/Year, 1,230.70 mi/YTD, 47,019.40 mi/All
    Heart Rate: Average=136, drift=14.7 BMP, 64% HRR, 57% VO2... read more

  14. When are your running shoes worn out? The limiting factor is the midsole foam, not the outsole. http://buff.ly/2b0Z4sz

    • Allan B.
      Allan B.

      Jonathan, I'm curious what you thought about this article. It seems they are trying to relate rate of impact to force of impact. Whereas plenty of research supports that new shoes actually increase impact force, I would gather that an increase in rate is simply artifact of lost energy efficiency as rebound in the EVA decreases over time. But rate of impact is the same as cadence, and a higher cadence is better for most, so I'm not I totally buy into their logic. Maybe I'm missing something.

      11 days ago Like

    • Jonathan S.
      Jonathan S.

      Rate of impact is closer to jerk, which is rate of change of acceleration. I've not seen studies on new shoes having higher impact - can you post a link? I've noticed that there's a big difference between impact on the shoe and impact on the leg, and I suspect that measuring impact as acceleration or jerk will also make a big difference.

      10 days ago Like

  15. RUN
    alright 3.1 mi 00:27 08:42 pace

    BSX

    Cumulative distance for Running: 39.90 mi/7 days, 86.70 mi/14 days, 166.90 mi/28 days, 2,160.20 mi/Year, 1,211.90 mi/YTD, 47,000.70 mi/All
    Heart Rate: Average=119, drift=31.3 BMP, 51% HRR, 43... read more

  16. So Garmin's Vivoactive is down to $150 on Amazon. That's not a bad deal if you can accept it's limitations. http://fellrnr.com/wiki/Garmin_Vivoactive

  17. Shared Photo

    My review of the #Altra Instinct 3.5, including comparisons with the 3.0, & the superior 2.0 http://fellrnr.com/wiki/Altra_Instinct_3.5

  18. RUN
    alright 5.75 mi 00:52 09:00 pace

    Cumulative distance for Running: 40.20 mi/7 days, 86.60 mi/14 days, 163.80 mi/28 days, 2,157.10 mi/Year, 1,208.80 mi/YTD, 46,997.60 mi/All
    Heart Rate: Average=130, drift=29.4 BMP, 59% HRR, 52% VO2m... read more

  19. Shared Photo

    For the first time I'm closely tracking changes over the life of the Clifton 3. I'm measuring forefoot cushioning and thickness to see how the shoe degrades over time. I was inspired by t... read more

  20. A recommendation for treadmill binge watching; "Sixties"/"Seventies" on Netflix. Bonus: Great perspective on the current political cycle.