Charity Challenge is hosting their 6th Annual Poker Run and 2nd Annual Tamarack Music Fest at the Tamarack Lodge in Voluntown. Registration for the bike run is at 11 a.m. with the last bike leaving at 12 p.m. The music fest begins at 1:30 p.m. Charity Challenge says the event benefits TriCircle, Inc., a non-profit organization that provides resources to individuals and their families who are affected by substance abuse disorders. For more information about this fun and exciting event, click here.