PDXMarathonMan Oregon geocaching PDXMarathonman also likes to run. A lot. This all-gold geocoin serrated edge geocoin issued in mid-2005 celebrates his 1998 running in the Portland Marathon with a time just under 3 hours. Size: 43 mm | Weight: 41 g on Sunday, 29 April 2007. Posted in GEOCOINS, Personal, Non-Trackable, Mostly Metal < Prev Next >