The B100 Cursa dels Nassos 2025 enters its final month on track for a new historic participation record

Barcelona is gearing up for an exceptional edition of the B100 Cursa dels Nassos 2025. One month before race day, the iconic 10 km event confirms an extraordinary registration pace and is firmly heading towards a sell-out, cementing its status as a benchmark race on both the national and international calendar.

With 26 years of history, the event is expected to surpass all previous participation records, both in total number of runners and in registration speed. The forecast of reaching 13,000 participants positions the 2025 edition as one of the largest and most dynamic in its trajectory.

As in recent editions, the day will open with the elite 5 km race, a circuit recognised as one of the fastest in the world. This distance has seen four world records broken in the past four years, establishing Barcelona as a global stage for historic performances. For 2025, top-level athletes are once again expected, with real possibilities of breaking national and international records.

The sustained growth of the event is supported by B100 The Healthy Banking, the main sponsor of the edition, whose commitment strengthens the development of a race that blends tradition, a festive atmosphere, and a strong dedication to popular and sustainable sport.

As a preliminary activity, a free training session open to all levels will be held on 9 December at 7:00 p.m. at CEM La Mar Bella, with registration available on the event’s official website.