Search the Wisconsin Half Marathon Calendar! https://www.halfmarathonsearch.com/half-marathons-wisconsin Search for your next Wisconsin half marathon at the Wisconsin Half Marathon Calendar USA website page. The half marathon running event calendar currently has Wisconsin half marathons 2026 and Wisconsin half marathons 2027 as they roll in. We strive to have all Wisconsin half marathons posted one year in advance. For races that are late in posting their Wisconsin half mara