Hotel: There are plenty of options, depending on what you prefer. You find them all here
Camping & Cottages : Borås Camping Saltemad. Booking to firstname.lastname@example.org or +4633-35 32 80.
Close to the start and finish at Borås Arena. The price is 200SEK/night including breakfast. You book the Hard Floor accomodation at the same time as you sign in for LinnéMarschen.
Groups: contact +46 768 243357 (monday-thursday) or mail email@example.com.