Search for November half marathons! Search for your next November half marathon at the November Half Marathon Calendar  USA website page. The calendar currently has November half marathons 2026, and will have November half marathons 2027 as they roll in. For races that are late in posting their date, we do our best to get those dates updated throughout the year. Updates can also be submitted via our easy "Submit or update a half marathon" button on our home page. We strive