Week in Review: December 18th, 2022


The Week in Review is a collection of both all the goodness I’ve written during the past week around the internet, as well as a small pile of links I found interesting – generally endurance sports related. I’ve often wondered what to do with all of the coolness that people write, and while I share a lot of it on Twitter and Facebook, this is a better forum for sending it on to y’all. Most times these different streams don’t overlap, so be on the lookout at all these places for good stuff!

So with that, let’s get into the action!

Sports Tech Deals:

Look, normally I’d have the tables of all the deals automagically populate in here, but there are still like 100+ items that are for sale, and frankly, you don’t want that gigantic database here. However, you do still want those deals. So…ya know, hop to it. As always, using those links does help support the site. Especially if you buy the really expensive stuff. Or, just a lot of toilet paper from Amazon.

DCR Posts in the Past Week:

Here’s all the latest on the site:

Tuesday: Apple Watch SE (2022/2nd Gen) In-Depth Review
Wednesday: DCR Open House Winter 2022 Photo Recap!
Thursday: Apple Watch Updates: Running Track Mode, Race Route, and Extended Battery Times
Friday: New Garmin Fenix 7/Epix/Enduro 2/MARQ 2: Beta Program Features Update!

YouTube Videos This Past Week:

Here’s what hit the tubes over on the You of Tube, definitely don’t forget to subscribe there to get notified of videos the second they hit!

Stuff I Found Interesting around the Interwebs:

Here’s a not-so-small smattering of all the random things that I stumbled on while doing my civic duty to find the end of the Internet:

1) The Epicenter of Apple Watch Ultra Orange Bands: Seriously, all the orange! This is one of the coolest pics I’ve seen in a long time from a sports tech manufacturing perspective. Admittedly, the bar is pretty low. But the orange band of the Apple Watch Ultra has quickly become somewhat iconic, and to see the gazillions of threads swirling around is kinda neat. The linked tweet from Tim Cook above has a few more photos in that traffic-cone-orange thread factory.


2) Tour of Zwift HQ: This is a nice quick tour of the Zwift HQ from the folks at Slowtwitch. I visited their old HQ pre-Covid, and this looks to be the new location now. It’s good to see the variety of bikes and trainers in their workout room. Maybe one day I’ll be in town to do an updated in-depth tour. It’s been a while since I’ve done some of my behind-the-scenes HQ tours. There was Garmin, Polar, Adidas, Wahoo, Saris, Quarq, Suunto, and probably a few others. And most of those have had either significant revamps of their facilities, or moved entirely.

3) Skydio’s new Dock: I meant to cover this the week prior, but, the week got out of hand. Now while this will likely be used heavily in areas like construction site inspections where a unit is simply left onsite to do daily/etc flyovers, I think it has super interesting scenarios in search & rescue – particularly in deeper backcountry areas. For example – the idea that a Skydio dock drone could be left at a ranger station (or refuge) up in high alpine area, is fascinating. While cellular signal would be an initial limitation, these days satellite internet connectivity is relatively cheap – especially in comparison to just a single helicopter or large-scale search & rescue ops. Putting up a helicopter for merely one hour a year would cover the entire cost of satellite connectivity, and likewise, even small solar panels/batteries could sustain an arrangement like this which isn’t flying every day.

This would essentially extend the range of SAR ops significantly in areas that are otherwise hard to get to. Likewise, this also works in areas that are well connected but need scheduled sweeps. Take for example a ski area, which wants to have drones do a sweep of the slopes/nearby ravines at closing time. In many US resorts, that’s done by ski patrollers. And certainly, I think that’s super valuable. But there are obviously real-world limitations that patrollers won’t always see people off the side of the slopes. Connect up a Skydio Dock with infrared camera, use their pre-programmed flight plans (search grids), and off it goes, trying to find a human, back and forth over the grid or specific ‘more challenging’ areas for patrollers to reach. Anyways, I think it’s cool stuff. It’s something as noted that Skydio has been touting for a while from a marketing standpoint, so it’s good to see it’s finally available.

4) Polar validity of Leg Recovery Test: A study was published showing that Polar’s jump test for leg recovery seems to track well. This follows a study the week prior showing Polar’s H10 was verified for ECG usage (only non-sport usage was studied for specifically “the evaluation of baseline rhythm, atrial fibrillation and premature contractions”). Of course, the H10 bit will surprise nobody, it’s been a mainstay dependable/reliable/accurate strap since it came out in 2017.

5) Zwift adds new Fitness Metrics panel: This shows up on the website, and shows your estimated FTP, zMAP, and VO2Max. It also shows your estimated/suggested category. Ideally we’ll see this in the companion app at some point, though, the VO2Max seems a bit quirky for me here. Almost all automated software platforms put me in the 56-58 realm, and the last time I tested was in the 60ish realm (admittedly, a while ago). Still, a score here of 46 seems bizarrely low.


6) Training with Your Menstrual Cycle: While this is from Garmin’s corporate blog, it seems relatively free of marketing outside the intro paragraph, and actually has proper reference links at the end, with a dozen published studies supporting the tables and details in the article. A good and quick worthwhile read.

7) DJI finally adds waypoint support to Mavic 3: The bigger news here isn’t so much waypoint support to the Mavic 3 itself, but rather to the DJI Fly app. The last time DJI had waypoint support in consumer drones was on the previous DJI drone app, and once they cutover to the DJI Fly app, they never added it back. Prior to this it was basically offered on almost all drones. Here’s to hoping we’ll get back to that down the road.

8) AllGear Network gets $40M in funding round: AllGear network is sports gear review sites like GearJunkie, BikeRumor, etc… This successful funding round and rebranding is notable, mainly because it sits in contrast to the complete cluster-eff that is occurring within another major sports publishing network, that’s likely to result in at least one major sports site going under. And, also sits in contrast to the ever-expanding layoffs and downsizing occurring around the sports tech landscape.

With that, thanks for reading!


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  1. Don Rhummy

    Ray, you might also want to add Training Peaks’ new Analytics and SparkUp. It shows how your numbers compare to others in a bunch of different categories, e.g. age range, M/F, over a time range, etc

  2. Garth McInerney

    The Sky Dio dock should definitely be called the Sky Dio Pizza Oven

  3. JonD

    Interesting to see your Zwift VO2 max was so low vs all other platforms. I think this may be a systemic problem – mine was too, and the performances at each category level just aren’t realistic vs those VO2 max thresholds.

  4. Thomas


    I know that this is not the right place to put this question, but I do not see another place:
    For a few weeks now, my Fenix 5 is no longer recording GPS tracks when running outdoors. It is still measuring distance and pace. But there are no tracks recorded where I ran.
    Do you have any idea how this happened? I am using an HRM-pro together with it and activated running power (maybe around that point in time?). Somewhere in the back of my mind I remember some setting for switching the calculation of pace from GPS to steps measured by the sensors in the HRM-pro? Could that be the cause somehow?
    But I cannot find it… and it really puzzles me.

    Thanks a lot in advance and happy holidays to everybody :-)

    • Michael

      Thomas, I would suggest you try posting this on the Garmin user Forum (assuming you don’t have the 5 plus link to forums.garmin.com ). A much broader scope of users who may be able to answer this and help out. Also, you would see very quickly if this was unique to you or an issue impacting a number of users. After that it’s a call to Garmin Support.

    • Thomas

      Thank you Michael.
      I actually did post this to the german Garmin board 2 weeks ago, but did not get any feedback (only some views). I’ll try the “global” version.

      Honestly speaking I was just hoping if anybody knows, then Ray ;-)

    • Yeah, to me it sounds like GPS isn’t turning on at all somehow. Any chance you’ve manually set the Outdoor Run profile to the GPS being off? Also, if you try any other sport profile (hike/walk/bike/anything), and simply do a quick 60 seconds test – even if just standing still, does it plot some sort of map?

      Failing that, I’d do a soft reset of the unit, to see if that makes it good.

    • Thomas

      Thanks Ray!
      GPS is turned on in the sports profile and it does get a fix. I also looked at the GPS test in the service menu and it seemed to work (at least, after some time it started showing some numbers).
      I definitely have to check a different sports profile. Will do that next. And then a soft reset…

      I am pretty confident that there are still enough Fenix 5 users out there for a shit storm if that would be some kind of bug in a recent firmware update. Must be something with my watch…

    • Thomas

      I tested hiking and that works, it’s recording a track.
      I’ll go through the settings of both acitivities line by line and compare.
      I’ll uninstall the running power data fields and try again.
      Then I’ll do a soft reset.

    • Thomas

      Alright, I did not expect that, but: Removing the Running Power data fields from the running profile did do the trick.
      I did not see that coming (mostly because so many people are using those fields without issues).

      Any explanation for that?

  5. Nathan

    I decided orange was cool a couple of years ago, a long time before Apple did, and have the orange band on my Epix.

    • That’s true, the old Fenix orange band from a few years ago was great. Or, maybe it was reddish? I’m too lazy to walk down the hall and look in the bin.

      Thanks for being a DCR Supporter!

  6. Neil Jones

    All of the Zwift health metrics look very dubious to me – maybe it’s just building up the data though. For example, as well as showing my FTP as 37.7 (should be about 50), it’s also showing my FTP as 184w (4DP gives me 232) – even though the power curve just for my easy/moderate effort Zwift ride yesterday shows me holding higher than that for 60 mins.

    • Yeah, I’m sure somewhere there are some details on how/why it works exactly. But it doesn’t seem to pass the sniff test on VO2max. Glad to see I’m not the only one.

      Thanks for being a Supporter, Neil!

    • JB

      If you go to the Zwift forums you’ll find a pretty lengthy topic all about this. Essentially zFTP does not equal the traditional idea of FTP as they’re using different data to calculate it. A number of users are suggesting they use a different term to avoid confusion but Zwift seems to want to keep using it.

    • I suppose that gets back to the reality that even Dr. Coggan, the self-proclaimed inventor of FTP, can’t actually define *exactly* that it is. Originally, it was max power for an hour, but he’s since modified it to be “roughly an hour”, without defining exactly how rough an hour actually is.

  7. Another thing to mention would be what Outside (the company) is doing to the CyclingTips. There are a couple of threads in the forum: link to forum.cyclingtips.com then there is an emerging podcast of the former crew.

  8. Donna

    Ray, regarding your mention of Polar’s study the week prior showing Polar’s H10 was verified for ECG usage (only non-sport usage was studied for specifically “the evaluation of baseline rhythm, atrial fibrillation and premature contractions”) what is your opinion of the Apple watch usage for ECG usage. I’ve come to realize that this feature is useless for picking up Afib vs PVC’s only after paying close to $3,000 in medical bills for tests and in holter monitor evaluations. I think their disclaimer should be more direct and not just stating it never checks for heart attacks. Just my two cents worth.

    • Yeah, that’s a bit outside of my area of expertise. That said, there is FDA certification on the feature, and it does have to pass very specific levels. Albeit, the testing pool can very from company to company.

      I have to go back and look-up Apple’s testing pool numbers/application. It was all done under a secret shell company.

  9. Brian

    Leg recovery test sounds pretty nifty. When can we get this on Garmin?