31/12/2014 — This race, which is positively dripping with Christmas spirit, has also become one of the city’s top charitable events. Its customary efforts to collect and recycle race chips mean that for each chip returned, 80 cents is donated to charity. Record levels of participation in Barcelona races clearly show running is such a big hit here in the Catalan capital. And that’s because the Cursa dels Nassos has closed its registration period with 11,500 runners.