Austin 3m Half Marathon 2025 Route. Start of austin international half, formally 3m half marathon: As many as 7,000 runners take to the streets and neighborhoods of texas’s capital city of austin for a long, straight and mostly downhill race each year, as the city’s 3m half marathon gets set to mark its 29th annual running.

As many as 7,000 runners take to the streets and neighborhoods of texas’s capital city of austin for a long, straight and mostly downhill race each year, as the city’s 3m half marathon gets set to mark its 29th annual running. Explore our website for everything you.