Las Murallas de Pamplona is a night running series in Pamplona, Navarre, Spain, held every year since 2013. Its name comes straight from the route: runners follow almost the whole line of the city’s old defensive walls, including the Citadel. The main race menu is simple: Fortín is 6 km, Ciudadela is 10 km, and Murallas is 15 km, though the longest option has used 18 km and 20 km routes in earlier editions. The event is organized by Club Kirol Bat Triatloi Taldea, and the city center closes to traffic while the races are on.
The course gives the race a very Pamplona-specific shape, passing places such as the Puerta del Socorro at the Citadel instead of using a generic road loop. It is a popular race with serious numbers: some editions have drawn more than 3,000 runners, and one came close to 4,000. A children’s race was added after the first few editions, with part of its entry money going to charities such as the Bone Marrow Donors Association of Navarre and UNHCR. The adult races award trophies to the top three finishers in each category, while the low entry fees and multiple distances make the night open to both casual runners and people chasing a place.