Search for June half marathons! Search for your next June half marathon at the June Half Marathon Calendar USA website page. The half marathon running event calendar currently has June half marathons 2027 and June half marathons 2028 as they roll in. For races that are late in posting their June half marathons, we do our best to get those dates updated throughout the year, as race directors and race organizers update their websites. Updates can also be submitted via our easy