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