Half Marathon 2025 Usa Dates. American record holder weini kelati and top marathon americans conner mantz and clayton young will take to the roads for the houston half marathon. Find your perfect race here!
Calendar view listing counts of race events for each day of the month. The 2025 runner’s world marathon calendar spans the united states, and includes everything from marathons to half marathon, and even a few 5ks, 10ks, and more.