Riddersvik is a small park area by the water behind the Riddersvik castle that is recommended for a run.
Riddersvik (image source)
Grimstafältet is a popular area for interval training. It is a rather flat area with tarmac and gravel roads in addition to a big grass field. Close by is Grimstaspåret where you can find hilly gravel trails for a challenging run.
Johannelundstoppen is one of the longer hills in greater Stockholm with about 400m from the southeastern entry to the top. It posts a challenge for your hill workout and offers a nice view at the top.
Johannelundstoppen (image source)
Running in a new city in the winter time can be tricky. Bad weather and darkness makes it hard to find good places to run.
Hässelby IP is a popular place to run in this area.
Created by Martin Öhman 2295 - @runtrackrun