Courses are Closed! Extended one week, until Sunday, March 30th !!!! Registration and Course Map Downloads are active! Overview NEOOC, in partnership with Richfield Heritage Preserve, is pleased to offer this self-serve orienteering event for exercise and fun.  Similar to the previous events of this type, we will be using the iOrienteering app for electronic … Continue reading 2025 Richfield | Self Serve Event at Richfield Heritage Preserve | Saturday, Mar 15th thru 30th