It might be too soon for the events to be placed on the calendar, but try here first.
www.usms.org/.../event_search.php
You could check and see what events have taken place in the past by following this link...
(Filters selected - LCM and Oregon)
www.usms.org/.../meetlist.php
Of course there is no guarantee that they will hold these events this year, but you never know.
Also by looking at the map in the following link, you can more easily narrow down an area and get the LMSCs name to use as a filter above.
www.usms.org/.../
