
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
Bella Martin is a CrossFit-focused athlete and creator with a strong performance-first audience, combining high-energy training content, travel, and polished lifestyle visuals. Based in Austin and representing Mayhem Athlete, she’s a strong sponsor fit for brands in fitness, activewear, recovery, and performance nutrition looking for authentic, athletic credibility.
Fitness Personality
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Bella Martin promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Bella Martin make a live appearance at your next event
Brands can sponsor Bella Martin on OpenSponsorship by creating a free account, browsing Bella Martin'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.
Bella Martin 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 Bella Martin starts at $1,200 for a social media post, $600 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, Bella Martin's audience includes 56K+ Instagram followers, interests including Fitness & Performance, Fashion, Activewear, Fitness, Travel, and more, based in Austin, TX, 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