I went for a run this morning. I ran 8 miles. At the 10K mark I had my best 10K ever (with this software). It is not recognized as a 10K because I kept going. This has happened before. When I ran my longest distance (which is recognized) I also ran my best 1/2 marathon (not recognized). The software should pick out the best 5K, 10K, 1/2, and full marathon, and I saw a request here for custom distances (seems reasonable to me).
This is the expected behavior. You will see this if you click the little information icon on the Personal Records widget.
Garmin Connect doesn't currently do segments like would be necessary for such a feature to work. They already do average max power segments, and I believe this system is very similar to what would be needed if they wanted to do this for pace/distance.
I set a 10M race PR recently but there's no option to record a PR for the 10M distance. 10M is a popular race distance (at least here in the UK) and it's frustrating to be unable to record it. It would be nice to be able to add bespoke PR distances as well (5M, 15M etc).
