This wine harvest and Haloween-themed race features costumed runners winding through the Alexander and Dry Creek Valleys, passing 25 wineries and autumn-colored vineyards along the way. The races Trentadue Winery where the post-race celebration gets underway, featuring the costume contest, exhibitors, a band, food & beer, and wine tasting from two dozen of the area's best wineries. A must-do event in this series. A Hallowine 5k is also offered.