Race 2: GPS, cadence and distance accuracy vs previous Suunto models
-
@jjpaz said in Race 2: GPS, cadence and distance accuracy vs previous Suunto models:
@Ger43 said in Race 2: GPS, cadence and distance accuracy vs previous Suunto models:
@jjpaz So it’s increasingly clear that it’s simply a “software glitch” and that the hardware is working fine.
Is there a way to send these reports directly to the Suunto developers?
The error seems fairly obvious and verified…If you check athlete’s activities recorded with Race 2 the behavior is the same. So, I’m not alone…
I’m reluctantly thinking about returning it…I still have time.
But at this point, if I were to consider getting the Vertical 2, would I have the same problem? Or do you think the V2 is fine in this regard? -
Maybe @dimitrios-kanellopoulos can help. I too am getting less distance and lower pace compared to all other watches. somethimes as much as 170m per 10km (compared to AW3 that I already know is quite conservative).
-
@Ger43 I can’t tell you about the V2; I have the R2 and I’m currently testing it compared to my other watches. Try asking in the V2 subforum, although it seems to be more accurate in its GPS recordings.
-
This evening I tried an interval workout… 5x800…
I admit I’m completely lost… this evening, instead of cutting as usual, the Race2 showed me more distance than the Amazfit… already in the first 3km of warm-up, I noticed a pretty clear difference, which obviously affects my pace:
the pace on the repetitions also appears quite distorted between the 2 watches :
but other factors may have also influenced this, for example the START of the 2 watches were not aligned and in any case in general testing repetitions on 2 watches at the same time is not easy… but in the warm-up phase, on the other hand, the difference is quite evident.
The only difference compared to the previous two tests was that in this workout I had installed the map of my region (Lombardy, Italy). Do you think installing the map of the area where I run might have had some impact?
In any case, it now seems exaggerated in the opposite direction. Let’s always assume the Amazfit is telling the truth at this point…
Tomorrow I’ll do the same walking test as the other day. I want to see if the same behavior as the other day (about 10 meters less every 2 km) is confirmed or not.
-
@Ger43 for a bit more detail (and to rule out one possible factor), were the watches on the same wrist / arm? Was this session (including the warm up) on the track? Just wanting to check that the Suunto wasn’t on the outside (right, if running counterclockwise) wrist vs the Amazfit on the inside / left wrist, which could absolutely swing measurements this way.
-
@Finnjf said in Race 2: GPS, cadence and distance accuracy vs previous Suunto models:
for a bit more detail (and to rule out one possible factor), were the watches on the same wrist / arm? Was this session (including the warm up) on the track? Just wanting to check that the Suunto wasn’t on the outside (right, if running counterclockwise) wrist vs the Amazfit on the inside / left wrist, which could absolutely swing measurements this way.
Hi, so the warm-up session (the first 3km I posted) was done on the road, while the intervals were done on a loop in a park.
The Race 2 was on my left wrist (outside the track), the Amazfit on my right wrist (inside the track).
But as I said, I don’t consider the interval test very reliable because it wasn’t easy to test. In any case, even in the intervals, as well as in the warm-up, I noticed that the Race 2 recorded more meters than the Amazfit, and this difference was already noticeable during the kilometer.
So far, it’s always been the opposite, although never as marked as last night.
Is there a chance these anomalies will be noticed by a developer or someone at Suunto who can at least verify them?
These anomalies have been reported by multiple users; I find it absurd that no official communication has been received. -
@Ger43 You can analyze information from your raw data and compare (export JSON or FIT files). That’s the best way to know which GPS points have recorded your watches and what’s the raw distance vs the official ditance showed in watch.
-
@Ger43 You can also review your activity data in https://www.sports-tracker.com/ (the old Suunto App website).
In my case, Sport Tracker analysis: Summary shows 10,20km (official distance showed by Race 2) but GPS data and Laps distances show 10,34km as total recorded distance.
With this data:
Official Distance (Device Summary): 10.201 metros
RAW Distance (GPS Points Summation): 10.334 metros
Algorithmic Reduction (Clipped): -133 metros (1.29%)Official Pace (Reloj): 5:56 min/km
Actual GPS Pace (RAW): 5:52 min/km
Pace reduction: +4seg/kmWhy Race 2 is shortening/filtering the distance? Other Suunto watches are more faithful to GPS data. That’s my question, because it seems obvious that Race 2 records GPS raw data correctly, at least is very similar to other watches but, postprocessing is more agressive.
Suunto T3D, Suunto Spartan Trainer, Suunto Spartan Ultra (retired), Suunto 9 Baro (retired), Suunto 9 Peak (retired), Suunto Vertical Titanium Solar, Suunto Race S, Suunto Race 2 Ti.
-
It’s raining in Milan today, so I thought I’d test it by placing both watches on my car’s dashboard and setting a cycling activity on both so I could travel at least 30 km/h
This test also confirms everything I said above, that the Race 2 measures meters…here we’re roughly 30 meters out of 5,000.
Amazfit: 5,070 m
Race 2: 5,040 mThis time, however, it seems that the difference is also in the raw file. I uploaded in “Quantifier” website the Race 2’s json file and the Amazfit .FIT file, and it seems that the 5,040 m are also in the json file this time.
My fear is that if I were to return it to Amazon and upgrade to the Vertical 2, I might find myself in the same situation. At the same time, I don’t want to buy the Race1 or Vertical1 models, which are still a step behind the Race2, and aesthetically, I really like the Race2.
This flaw, however, is unacceptable, so I don’t know what to do: wait, perhaps, for an update that permanently fixes this problem, or return it?
-
@jjpaz Just speculating here but there might be some other metric taken into account. Usually when dealing with signals there’s the Signal to Noise Ratio (SNR) and maybe there is no difference in FW but the Race 2 has lower SNR and discards more points?
