Maria L. Johnson

Half Marathons In 2025. Keep reading to find the best half marathons in the world to fill every month of your 2025 race calendar! The 2025 half marathons are being updated as the events announce their half marathon 2025 dates.

The runner’s world 2025 half marathon and marathon calendar. The 21.1km / 13.1 mile half marathon is a popular long distance running event that doesn’t require the same training commitment that a full marathon does.