april, 2017 Oklahoma Memorial Marathon Oklahoma City National Memorial and Museum 620 N. Harvey Ave., Oklahoma City, OK 73102 30apralldayOklahoma Memorial Marathon(All Day: sunday) CST Oklahoma City National Memorial and Museum Time All Day (Sunday) CST LocationOklahoma City National Memorial and Museum620 N. Harvey Ave., Oklahoma City, OK 73102 Organizer Oklahoma City National Memorial and Museum405-235-3313 620 N. Harvey Ave., Oklahoma City, OK 73102 CalendarGoogleCal