100 Bridges Run

Run through the historic heart of Leiden, crossing 100 bridges that showcase the city's rich architectural variety. The route spans ancient stone arch bridges, modern Singelpark bridges, drawbridges, roller bascule bridges, and steep stair bridges over 4 meters high. Along the way, you'll follow the waterways of the Nieuwe Rijn, Oude Rijn, Korte Mare, Lange Mare, Morssingel, and Zijlsingel.
Expect a route packed with history and culture—pass by museums, monuments, windmills, city gates, parks, the Hortus Botanicus, and the Academy and Cultural Quarters. With narrow crossings under a meter wide and inclines that test your legs, this run is as scenic as it is challenging.You will experience Leiden's rich history and stunning waterways in a fun and active way. Be prepared for picturesque canal views, hidden alleys, and architectural wonders, all while giving your calves a true endurance test as you tackle over 100 bridge ascents.