If you want to orienteer take contact with the club so you can lend/buy maps in the sorroundings. If you're a club there can be trainingspackages arranged.
The club have a small nice house just by the forest nicely located in the north parts of Hallstahammar.
There's a nice 1,3 and 5 km runningtrack in the north parts of Hallstahammar.
In winter there will also be tracks for skiing made with machine but there's not alwas snow. January and february are normally good for skiing.
Here the locals run or walk in the forest in their freetime. There's also a marked 10 km path for running in the deep forest but it' very stony!
Just be aware that the 5 km track is a bit hilly.
There is lights in the evenings until 9 I think.
You can take a change, take a shower and sauna in the building right next to the track for 1 dollar. There's also a small gym there.
People also go for a picnic, to practice golf or "varpa", a swedish throwinggame or whatever you can do in a grassarea.
Equipment: Running shoes, 10 SEK and a towel.
This is a sportshall built in 1939 and has a gym and a solarium but also a 25 meter pool and a café where you can get light meals.