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CT Matsumura is a Los Angeles-based ultra runner and endurance creator whose content blends performance, travel, nutrition, and practical wellness. He’s a strong fit for brands in supplements, healthy food, activewear, and recovery because his audience sees consistent, authentic lifestyle storytelling grounded in training and real-world use cases.
Keto, fat adapted, primal athlete.
Trail Running, Cross Country Running
California University of Pennsylvania
Japan
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the CT Matsumura promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have CT Matsumura make a live appearance at your next event
Brands can sponsor CT Matsumura on OpenSponsorship by creating a free account, browsing CT Matsumura'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.
CT Matsumura 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 CT Matsumura starts at $120 for a social media post, $2,400 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, CT Matsumura's audience includes 14K+ Instagram followers, interests including Food & Drink, Cooking, Health & Wellness, Fitness & Performance, Home Life, and more, based in Los Angeles, CA, 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