
Self-Managed
Just started (6 months) to give online running tips. Also competitive runner. First marathon in 03:00:50 so you can guess what will happen my second time. Also runs 50km ultra runs and in the future I will be running a 100km ultra run & will complete an full Ironman.
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Aron Strengholt promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Aron Strengholt make a live appearance at your next event
Brands can sponsor Aron Strengholt on OpenSponsorship by creating a free account, browsing Aron Strengholt'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.
Aron Strengholt 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, estimated pricing to sponsor Aron Strengholt starts at $120 for a social media post, $3,000 for a appearance and $2,400 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, Aron Strengholt's audience includes 852 Instagram followers, interests including Health & Wellness, Fitness & Performance, Running, Sports, Cycling, and more, based in Groningen, Groningen, Netherlands. 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