Overview
- City officials begin traffic restrictions at 22:00 Friday with 1,707 barricades, extensive detours and a real‑time app, with full restoration planned by 22:00 Sunday.
- Public transport is reconfigured for race operations, with 32 EMT bus lines altered or suspended and timed tram interruptions on lines 4, 6, 8 and 10 during the morning.
- Organisers present a top‑tier field featuring Sisay Lemma, John Korir and Amanal Petros, with Amane Beriso, Peres Jepchirchir and Joyciline Jepkosgei leading the women.
- Participation reaches 36,000 runners from 150 nationalities with 67% from outside Spain and nearly a quarter debuting at the marathon distance, as Expo 42K remains open for bib pickup until Saturday evening.
- Prize money includes bonuses for course and national records, with a €1,000,000 award on offer for a world record, and strict start‑corral controls are in place based on verified times.