KLM North vs South
North or South?
Two ways to experience the city, two spirits for Madrid's most sustainable team event.
A journey through the capital's streets to bid farewell to spring, sharing the best running moments with friends, training partners, and family.
June 22, 2025
Madrid
7,500 participants
10k
10K that are done in flight
A new, faster course, offering participants the best approved 10K course in the capital. A competition for unity and for what makes us unique.
The most sustainable career

Supplies
Produced with 100% recyclable bottles.
T-shirts
Made with renewable polymers.
Collaboration with KLM
Global Reforestation Project.
Signaling
Production in sustainable material.At the instigation of KLM Royal Dutch Airlines, this year we've worked to make the race more eco-friendly than ever.
Committed
At KLM North vs South, we are convinced that with our strides we can combat our carbon footprint.
Initiatives
- T-shirts with eco-friendly fabric.
- Non-polluting racing vehicles.
- Silent electric generators.
- Collaboration with the Reforesta Association for the renaturalization of the environment.
- Prioritizing mobility in public transport.
Ready for takeoff.
A communication plan supported by their own Instagram and Facebook profiles, and a media plan with Corredor, Runnea, and Corriendovoy, which, along with press releases and communications to the databases of 40,000 people, allow brands to take advantage of all the running elements.
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A high-altitude race
Shall we take off?
5K€
35K€
If you're saying your brand is sustainable... prove it! Sustainability and sport in a unique celebration.