Need ideas to shape your project?
Before the event, we encourage you to explore the Girls Go Circular online courses — short and engaging learning experiences (3–5 hours) packed with real examples of innovation, circular solutions, and sustainable ideas.
Courses are accessible for free upon registration to the Circular Learning Space.
Available in English, Spanish, and 24 European languages.
Rethinking Plastics
Unlocking Fashion Circularity
Smart School Garden
Beyond Recycling: Creating Sustainable Consumption
Girls Go Circular
Summer Hackathon 2025
Join a unique 4-day experience in Barcelona where you'll explore how technology and innovation can support the circular economy through a conscious, sustainable lifestyle.
From rethinking plastics to fashion, food, and beyond — it's your turn to create ideas that can shape a better future.
The initiative is part of the Girls Go Circular program, led by the EIT Community and supported by the European Commission. Organized by Impulse4Women and Transformation Lighthouse.
Supporting Circular Economy Through a Conscious Lifestyle
♻️ Rethinking Plastics
Reduce plastic use with smarter, reusable, and sustainable alternatives.
👗 Fashion Circularity
Make fashion more sustainable through reuse and less waste.
🌱 Smart School Garden
Grow food sustainably and reduce waste in schools.
🛍️ Beyond Recycling
Promote conscious choices that reduce overconsumption.
1st Prize
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€3,000 in FNAC materials (gift card format).
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One hour of mentoring session with Impulse4Women's President.
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The opportunity to pitch at the Impulse4Women meetup in September.
2nd Prize
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€2,000 in FNAC materials (gift card format).
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One hour of mentoring session with Impulse4Women's President.
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The opportunity to pitch at the Impulse4Women meetup in September.
3rd Prize
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€1,000 in FNAC materials (gift card format).
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One hour of mentoring session with Impulse4Women's President.
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The opportunity to pitch at the Impulse4Women meetup in September.
Why Participate? Empower Your Future
Discover Your Potential
See how your ideas can create real impact.
Build Confidence
Challenge yourself and discover what you're capable of.
Learn by Doing
Solve challenges through teamwork and creativity.
Connect with Role Models
Meet inspiring women in tech and sustainability.
Entrepreneurship Seed
Explore how your idea could become a startup.
Have Fun While Learning
Enjoy, create, and grow — all in one experience.
What will YOU do in this hackathon?
Visit the Supercomputing Center
Start with a guided visit to one of the most powerful computers in Europe and discover how tech is used to protect the planet.
Join a Team
Work with other girls like you. No experience needed — just curiosity and teamwork!
Solve a Real Challenge
Pick a problem linked to Conscious Lifestyle for a Circular Economy and come up with your own solution using tech and creativity.
Learn and Create
Get support from mentors, use new tools, and shape your idea into a real project.
Pitch Your Idea
Present your solution to a jury of experts — like real innovators do.
What’s the schedule?
Jun 27
09:00 AM
Kick-Off Visit
Inspiring visit to the Supercomputing Center. Learn how powerful tech tackles environmental challenges and gather ideas for your hackathon project.
Jun 28
08:00 AM - 08:00 PM
Hackathon Begins
Meet your team, explore a sustainability challenge, and start building a creative digital solution with support from mentors throughout the entire process.
Jun 29
08:00 AM - 06:00 PM
Hackathon Finish
Pitch your solution to a jury of experts, show what your team built, and compete for the chance to be one of the winners.
Jun 30
09:00 AM
Wrap-Up Visit
Final visit to the Supercomputing Center. Teams reflect on the experience, connect ideas to real-world impact, and explore tech applications in sustainability.
A hackathon is a fun and creative event where people come together to solve real-world problems in a short amount of time — usually in teams, with the help of mentors.
In this hackathon, you’ll work in a team of girls like you to develop an idea that helps make our planet more sustainable — using creativity, collaboration, and digital tools (no coding required!).
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Get Inspired: We’ll start with a visit to the Supercomputing Center in Barcelona to see how technology is already fighting climate change.
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Form Your Team: You’ll meet other girls and create small teams to work together during the weekend.
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Create Your Solution: Your team will explore a challenge related to the circular economy and sustainability. You’ll come up with a creative, tech-based solution — it could be an app idea, a data-based strategy, a campaign, or anything impactful!
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Get Support: Mentors will guide you throughout the process. You’ll also have access to tools and workshops to help you build and shape your idea.
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Pitch Your Idea: At the end of the hackathon, your team will present your solution to a jury of experts. You’ll have a few minutes to pitch your idea, just like real entrepreneurs do!
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Celebrate & Reflect: If your team wins, you’ll present your project again at the Supercomputing Center to real researchers — and connect with professionals in science and tech!
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Who They Are
Girls Go Circular is an educational initiative led by the European Institute of Innovation and Technology Community, coordinated by EIT RawMaterials, and supported by the Directorate-General for Education, Youth, Sport, and Culture of the European Commission. Our mission is to equip students, particularly young women, with digital and entrepreneurial skills through the Circular Learning Space, fostering sustainability awareness and preparing them for future careers.
What they do
Girls Go Circular empowers the next generation by providing free digital education, fostering sustainability awareness, and promoting equal opportunities. Through the Circular Learning Space, we equip young women with essential digital and entrepreneurial skills, preparing them to thrive in the careers of the future and drive positive change in society.
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Office: C/ Monterols 11, local 3, 08034 Barcelona, Spain
Headquarter: C/ Arroyofresno 22, 28035 Madrid, Spain
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