I was recently informed that the "Distance" information is not showing up correctly when pushing results up to TFRRS.
For a 5K race, ART is pushing "5000" for the distance field, however there is a "Metric" field that ART is setting to "0" if the Country is set to "USA" and "1" if the Country it set to anything but USA. The code has always done this, but for some reason it's a problem this year, so I'm assuming they made changes on their end related to this field.
With the next update (which I'm wrapping up this week) ART will send "1" no matter what Country is selected when you setup the race. Until the update is released, you can temporarily edit the race(s) you're trying to push up and change the Country to anything but USA, publish results, and then change it back if you'd like (or just leave it set as something other than USA).