The registration to Collserola Ultratrail Compressport are going quickly. At present, less than 100 bib numbers are available for 74 kilometers distance race.
Today, 11th July at 12:00, the sum total of 659 runners registered. Of which 408 participants are for Ultratrail Collserola 74k, 179 for the 43k and 76 for the 21k.
You can consult the list of registered runners here (+)
In the search line located on the top of the list you can make a searched by name, clubs or category. If you search by distance (74, 43 or 21) you will have the complete list to the total enrolled in each of the races.