Nationale-Nederlanden San Silvestre Vallecana
The best 10K in the world
A unique and memorable experience. A very modern classic!
A journey where fun and excitement accompany a community that enjoys activities, milestones, get-togethers, and surprises throughout the year.
Drive, motivation, and challenge in the best show and visibility space.
December 31, 2025
Madrid
42,500 participants
10k
The last party of the year and the most crowded.
42,500 people
flying free.
The San Silvestre Vallecana race's starting performances are unique. 42,500 people singing, jumping, and enjoying themselves at the same time is an experience beyond words; you have to experience it.
And thousands more enjoying it from their homes.
Registration opening
One of the most anticipated days for runners and a media success that has resulted in hundreds of appearances in the general and sports press.
Career presentation
Authorities, partners, talents, athletes, and media come together to present the world's best 10k. An event where we reveal some of the surprises we'll have in store on December 31st.
Unveil T-shirt
Through a selection of runners, who traverse the streets of Madrid from track to track until they discover the new design of the jersey that Madrid will wear on the last day of the year.
Wild animals of the year
We're taking advantage of this recognition event to recognize the careers and performances of athletes and personalities linked to the promotion of sports.
Athletes' press conference
The day before the race, we introduced the media to the most prominent and world-renowned athletes of the San Silvestre International.
Vertical race
A workout that will test even the most demanding athletes by climbing 7 floors in the shortest time possible. Will you be able to beat the opposing team's time?
Runner's Fair
The perfect setting for sponsors to connect with our runners, a space to activate your brand and connect directly with all participants.
Mini Race
The little ones want to be just like their parents. Why not give them a day to be the center of attention and part of the San Silvestre Vallecana community?December 31st
Run, run, run.
And this is possible thanks to all those who accompany us.
Lastlap's flagship
100K€
150K€
San Silvestre is a special plan with guaranteed impact because, along with the naming, only three brands are leading the project. We want to hear from you so we can design the perfect plan together.