How can I contribute to making Challenge Madrid a sustainable event with a great atmosphere?
It is the responsibility of the organizers, the participants and the public to protect the environment.
On-line volunteer training course free
Taught by the Spanish Volunteer Platform, advisor of Challenge Madrid.
Crédito y Caución will be the Sponsor
Crédito y Caución will be the Presenting Sponsor of Challenge Madrid Corporate Relays for the third year in a row.