september, 2019 Clarence DeMar Marathon & Half Marathon Downtown Keene NH Appian Way, Keene, NH 03431 29sepAll DayClarence DeMar Marathon & Half MarathonAppian Way, Keene, NH 03431Category:PartnerDistance:Full Marathon,Half Marathon Time All Day (Sunday) EST LocationDowntown Keene NHAppian Way, Keene, NH 03431 CalendarGoogleCal