About 4,400 pre-registered opted for one of the 1,500 slots for MiM or 600 slots for CSP. With runners from five continents, 34 nationalities and 47 Spanish provinces, the internationalization of this event is confirmed.
In a notary lottery, the winning number for CSP was 251. This means that those who have a number between 251 and 724, and between 1 and 126, get slot. In the MiM, the number chosen by luck was 750. Runners with numbers between 750 and 2249 will have a slot.
After this lottery, those who have obtained a place have 8 days to confirm their registration.