Half Marathon Calendar 2025. Half marathon guide is the largest calendar and educational resource in the world for half marathon runners and enthusiasts with over 10,000,000 annual visitors. Search the half marathon calendar usa for 2025 half marathons or 2024 half marathons in the usa by state or by month.
This calendar includes marathons and half marathons, as well as big 10ks, 5ks, and more,. The half marathon calendar is always a work in progress for all 2024 half marathons, for all events that have set their half marathon 2024 race dates and half.
