Here you can register yourself and others for "the worlds greatest orienteering event". You can complete registration, order various services, and submit payment in a few simple steps.

Registration periods for O-Ringen 2011
Regular entries can be made until 1 may 2010, late entry until 15 Jun 2010 according to the principle earlier entry = lower registration fee.
Late entry: 16 Jun until 23 Jul 2010