The Shamrock O-Ringen is a 3-day orienteering event, organised every 2 years by Cork Orienteering Club in Ireland. The competition attracts orienteers from all over the world to compete on our unique terrain on the Western shores of Europe. In 2011, the Shamrock took place on the beautiful and challenging terrain of the Sheep's Head peninsula in West Cork, Ireland. The format was as follows:

Saturday 4th June: Middle Distance (Seefin)
Sunday 5th June: Classic Distance (Maulnaskehy
Monday 6th June: Chasing Start (Rosskerrig)
Information about the competition, the terrain and the local area is available by following the links on the left of this page.

Results from the Shamrock O-Ringen 2011 are posted here. Well done to all who took part and made it a memorable weekend of orienteering in West Cork. Congratulations to the new 2011 Shamrock Champions Darren Burke (CorkO, IRE, M21E) and Cath Chalmers (BigFoot, AUS, W21E).

You can read some feedback from those who took part on our Testimonials page. If you took part in Shamrock 2011, and would like to share your photos or thoughts about the event, we would like to hear from you! Please contact us using the form provided.