Registration for BTR 2021: 1st July (20h)
Registration for Barcelona Trail Races – Gran Trail Collserola (GTC) and Gran Trail Collserola Relay race (GTCR) has to be done through this website until filling up the 500 numbers available or up to 24:00h on November 17 th. Relay race team registration must be done for entire team at same time. There is the possibility of adding a runner to an existing team later but with additional cost.
Registration links here:
(from 1st july at 20h)