The Wisconsin Dells Marathon & Half Marathon in Wisconsin Dells, Wisconsin on 10/23/11. Event Details: Adrenaline Sports Management proudly presents the Wisconsin Dells Marathon and Half Marathon. The event will be held throughout the beautiful roads of Wisconsin Dells. Its scenic backdrop and welcoming atmosphere make the location a perfect place for a weekend of fitness and family fun! Please visit www.dellsmarathon.com or contact Bryan Ganek at 847-829-4536.