Search for September half marathons! Search for your next September half marathon at the September Half Marathon Calendar  USA website page. The calendar currently has September half marathons 2026, and will have September half marathons 2027 as they roll in. For races that are late in posting their September half marathon date, we do our best to get those dates updated throughout the year, as race directors and race organizers update their websites. Updates can also be subm

Search for your next December half marathon at the December Half Marathon Calendar USA website page. The calendar currently has December half marathons 2026, and will have December half marathons 2027 as they roll in. For races that are late in posting their date, we do our best to get those dates updated throughout the year. Updates can also be submitted via our easy "Submit or update a half marathon" button on our home page. We strive to update half marathon dates one ye

Ready to shake up your routine? Want to feel alive, energized, and unstoppable? Then listen up! Joining a half marathon  is one of the best decisions you can make. It’s not just a race. It’s a journey. A challenge. A celebration of YOU! Let me tell you why signing up for a half marathon matters. Why it’s a game-changer. Why it’s the boost you didn’t know you needed. Buckle up! This is going to be exciting! The Power of Half Marathon Benefits Half marathon benefits? Oh, they’r