The Leiden Marathon has a picturesque course that combines the best of the city landscapes and the green countryside in the Green Heart. This one loop course is very flat and fast so get ready to improve your personal best if that is your goal. The Leiden Marathon starts in the heart of ancient Leiden, a 900 years old city of Rembrandt, and takes you on a sightseeing trip through nine beautiful villages with the traditional polders, windmills and curious cows staring at you while you run through. You will get to enjoy the superb organization and exciting atmosphere aided by the enthusiastic spectators lining the streets of this marathon in Leiden.