US States The Best Cities to Train for a Marathon in Every U.S. State Last Updated: May 5th, 2026 12:22 pm PDT Marathon training in the US depends on more than mileage, with clubs, communities, weather, and terrain all influencing how effectively runners can prepare. Race difficulty, meanwhile, varies widely across the country because each course carries its own geographic and environmental challenges. To explore this, we identified the most notable marathon in each state based on […]