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Hello, I am 17 years old student. I have played Ultimate frisbee since 2014. I play with local team "Kus Plastu" and also with Slovak national team. This year, we were 3rd at the national indoor championships (open) and 2nd at the national indoor championships (mixed). I am hard-working to get to Slovak Under 24 national team too. Next year, I will be ready to play with Slovak national team at the European Youth Ultimate Championships (under 20) and maybe at the World Under 24 Ultimate Championships.
Kus Plastu, Slovak national te
L. Novomestsky 's grammar school
Slovakia
Some of us help organize some events for kids. (Sevtliška)
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Brands can sponsor Jakub Bartoň on OpenSponsorship by creating a free account, browsing Jakub Bartoň's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.
Jakub Bartoň is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.
According to OpenSponsorship, Jakub Bartoň's audience includes interests including Home Life, Kids, Math, Basketball, Volleyball, and more, based in Senica, Trnava Region, Slovakia. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

How do you measure influencer marketing ROI when half the numbers social media gives you are vanity metrics? It is the question brands ask us most, and it came up again when I joined Massimo Marinelli on the Berkida Ventures Podcast. After more than ten years and thousands of brand deals with athletes and creators at OpenSponsorship, here is how we think about it, and the framework we use with our clients.
October 28, 2026