I've recently started listening to the NRC guided runs, and like them a lot s far, but the distance tracked is miles off...I listened to one for 5K yesterday at parkrun, Coach Bennett talked me through the last 400 meters, including a sprint finish, but I actually still had well over one half KM to go by the time the podcast finished....
Anyone else had this?
I certainly find there is a discrepancy between NRC Tracked runs and my Garmin, today I had a couple of hundred metres difference .Garmin was behind.
Don't ever remember them in agreement
Always a difference. Nike lags behind Garmin so I’m running further than I should be I think Garmin is the more accurate of the two but who knows 🤷♀️
For me Garmin. Always lags NRC 🤣
I think if you do parkrun you can expect that to be accurate!
Over what distance? I was given my pace as well over a minute faster recently, I know I can't run that fast!
Today was just 3k
I ignore the Nike paces and only check the Garmin results.
Yes, I do the same, but it was frustrating when the podcast finished...
The app can be frustrating in the extreme. When it’s on-song the guided runs are the best thing since sliced bread. When it starts acting up you’ll want to jump up and down on your phone 🤬
I’ve accepted now that there’ll be disparity between Garmin and the Nike app and I’ll end up running further than I need to. Come race day it should pay dividends 😃💪🏃♀️
Ha ha, if I listened to Nike I'd run far less!!
Is the Nike app using the gps on your phone? If so, it will only ever be as accurate as your phone spec; that's true of other tracking apps, such as mapmyrun and strava too.Garmin has its own built in gps which is more accurate. 👍
Ah yes, that'l be it!
Often a phone has a more accurate GPS receiver than a watch, especially if there's tree cover or thick clouds. My phone recorded yesterday's parkrun pretty accurately, but the watch came up short by about 500m (ie. 10%).
The opposite to me then, although we should be able to trust parkrun as a measured distance.
What I meant was that the watch only recorded it as 4.49km, whereas the phone got it almost right. If I'd followed the watch's measurements I'd have had to run another 500m or so.
Yes, NRC stopped at 4.5 ish KM, I still had quite a way to go to get to the finish. Same thing on my long run the other day. Never mind, I'm enjoying the coaching.
I questioned this with Garmin. It depends a little on the phone, but their answer was that an iPhone has very similar GPS tech to their devices, but also uses “assisted GPS” and is, in most circumstances, going to be more accurate than my watch.
This seems to be true with Apple Watch too, which in all articles I have read on the subject, is more accurate when running with your iPhone than without.
The parkrun course was at some point accurately measured. Sometimes small changes happen, and possibly a marshal has their marker in the wrong place. As far as I know under the current parkrun COVID framework, no course has been shortened but some are currently over 5k for social distancing reasons. How each parkrun has implemented this though is anybody’s guess... maybe some are short?
Possibly, but the parkrun I ran on Saturday is brand new, just three weeks old!
My Garmin logged my run today as 17.77 km whereas Nike app recorded 16.09 km quite a difference
Yes, mine was about the same, I did one of the 10 mile guided runs, it stopped when I still had about a mile to go according to Garmin.
My Nike app recorded my run today as 2.34 miles and Strava app recorded 2.62 miles. I'll go with Strava 😂
I used komoot and NRC at the same time, because I wanted to know if I was actually running 5km 🙂 They showed the same results. I also tested it on a known marked 5km route near me. I think it comes down to the GPS and reception to the phone.
Yes my nrc is waaaay off. Finishes way to soon. My 10km one finished 7k in one time! It does make it pretty pointless. I've run with nrc, strava and mapmyrun on the same phone and all different.
Gosh, that's a BIG difference!
Oh I know. It did make me chuckle!
I've been using NRC to track my runs since I took up the C25K last year. I first suspected it might be a bit unreliable for tracking distances when I used a treadmill and found I was running 5k in a noticeably longer time despite running at a similar pace/perceived rate of effort and so on. I held out hope that it was the treadmills that were not calibrated properly because otherwise it meant my times were slower than I'd believed!
i got a Garmin 245 a couple of months back and compared with both NRC and the treadmill - and I have to say that that Garmin is almost identical to the treadmill and lags behind NRC. For example, yesterday I did a 7.5k (going by the Garmin) in the park but also had NRC running. By the time I'd done 7.5k on the watch I'd done 8.62k on NRC!
As the watch is so close to the treadmill I expect it's the app that is out, although I do plan to visit a local track soon and sort it out once and for all!
I've had the odd fluctuation but usually pretty much spot on, especially for short runs like a 5k. Garmin you have to make sure your GPS is locked in before you press start (a mistake I realised I was making when my route was wrong a few times 😂) I always have my Garmin on as well as NRC so can tell that there pretty much identical over my usual 5k route.
I love the NRC app and the guided runs, I've found the distances pretty accurate - I also use Strava which tends to under record so I am apparently faster on Strava!!
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Run tracking apps?
Tracking run 
Run tracking discrepancies!
