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John Porter Jr is a USATF Masters hammer throw athlete and personal trainer based in Columbia, Maryland, with strong content around performance, recovery, and disciplined training. He’s a great fit for sponsors in fitness, activewear, recovery, and performance brands because his audience sees him actively living the message every day.
Because I’m loyal, genuine, and provide the type of support that benefits all parties associated.
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the John Porter Jr promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have John Porter Jr make a live appearance at your next event
Brands can sponsor John Porter Jr on OpenSponsorship by creating a free account, browsing John Porter Jr'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.
John Porter Jr 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 John Porter Jr starts at $400 for a social media post, $600 for a appearance and $3,600 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, John Porter Jr's audience includes 2K+ Instagram followers, interests including Fitness & Performance, Activewear, based in Columbia, Maryland, United States. 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