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Seth profile image

Sponsor Seth

Content Creator
Local
Reach
High
Response Rate

About Seth — content creator

Seth Wilmoth is a California-based creator who builds standout endurance and challenge content around marathon training, open-water swimming, and high-discipline fitness storytelling. He’s a strong fit for brands that want authentic performance-driven campaigns with adventure, resilience, and a highly visual lifestyle angle.


Why you should sponsor me for your next influencer campaign?

 Exploring Limits - Upcoming Projects: 13 Marathons in 13 Days | 4/20/26 👇🏼 Catalina Channel Swim | 7/23/26 - Inquiries:

Overview

👨Male
📍CaliforniaUnited States

Pre-Packaged Projects

Frequently asked questions

Promote your brand and sponsor Seth today!

New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.

Fitness & PerformanceActivewearHealth & WellnessMarathon RunningSwimmingFitnessTravelPhotography

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the Seth promoting your product.

$4,800
User Generated Price
Sign up to start an offer

Brand Ambassador Deal

Long-term deal involving appearances, photoshoots, social media and more.

$43,200
Estimated Price
Sign up to start an offer

Appearance Deal

Have Seth make a live appearance at your next event

$7,200
Estimated Price
Sign up to start an offer

Custom

Need help on a custom package for this athlete?

Login to request help

Frequently asked questions

Brands can sponsor Seth on OpenSponsorship by creating a free account, browsing Seth'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 content creator.

Seth 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 content creator.

According to OpenSponsorship, estimated pricing to sponsor Seth starts at $4,800 for a social media post, $7,200 for a appearance and $43,200 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, Seth's audience includes 53K+ Instagram followers, interests including Fitness & Performance, Activewear, Health & Wellness, Marathon Running, Swimming, and more, based in California, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

How to Measure Influencer Marketing ROI: A 5-Step Framework

How to Measure Influencer Marketing ROI: A 5-Step Framework

 

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

How Genisys Credit Union Built a Multi-Year Detroit Lions Athlete Program

How Genisys Credit Union Built a Multi-Year Detroit Lions Athlete Program

Genisys Credit Union, headquartered in Auburn Hills, Michigan, has done something most brands never do with athlete sponsorship: it kept renewing. What started as a single partnership with Detroit Lions tight end Sam LaPorta has become a multi-year, two-athlete program that Genisys has renewed and expanded every season since 2024, adding Lions wide receiver Isaac TeSlaa in 2025 and renewing him again in 2026.

October 6, 2026

Nano vs Micro vs Mega Influencers: What 1,527 Creator Campaigns Reveal About Cost and ROI

Nano vs Micro vs Mega Influencers: What 1,527 Creator Campaigns Reveal About Cost and ROI

Every influencer marketing article tells you the same thing: micro-influencers are better value. Almost none of them show you the receipts. So we pulled ours.

July 15, 2026

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Seth Bodnar | American Conversations - Letters from an American | Heather Cox Richardson

October 23, 2026

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Can Montanans be persuaded by Seth Bodnar’s anti-partisan platform? - Montana Free Press

October 19, 2026

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Three takeaways from our interview with Seth Moulton about his loss to Ed Markey - The Boston Globe

October 7, 2026

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McDermott adds life sciences transactions partner Seth Flaum - McDermott Will & Schulte

September 30, 2026

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PGW CEO took free Phillies trips, but provided scarce details - WHYY

October 6, 2026

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Review: Seth MacFarlane Sings the Muppets - ToughPigs

September 28, 2026

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