On October 5th will take place the 6th edition of the race "http://www.adcan.es/Carrera%20Benefica/Carrera%20Benefica.html" ‘Los calderones’, sponsored this time by the world ultra trail champion, "http://www.diariodeburgos.es/noticia/ZBD2DAEC9-ED6C-0054-67C7C3E9AA49BC95/20140628/burgales/luis/alberto/hernando/campeon/mundo/ultra/trail" Luis Alberto Hernando. All the funds collected will be delivered to the research in child cancer led at Vall d’Hebron Institute of Research (VHIR) by Dr. Josep Sánchez de Toledo.The dog training association ADCAN organizes once again this race with several options: a mountain race run, a crosscan, a race for children and a walk through the mountain. All these disciplines will take place in Otero de las Dueñas, a town located in the northeast of León.The organizers and the sponsor of the race visited today the children with cancer admitted to Vall d’Hebron University Hospital. They gave T-shirts to all of them in order to transmit to them their motivation and determination to succeed: “I wanted to told them what makes me run in races of more than 100 kilometers”, said the athlete Luis Alberto Hernando.Dr. Sánchez de Toledo expressed to the organizers of the race the appreciation of his research team for the 8,000 euros that they have raised since the first edition in 2008.