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  3. Jeffrey Stern

Jeffrey Stern profile image

Sponsor Jeffrey Stern

United States
Athlete

Self-Managed

Trail Running - Salomon
Niche
Reach
High
Response Rate

For brands

Want our team to run a deal with Jeffrey Stern, or find athletes like them?

Our Account Managers handle outreach, negotiation and delivery for brands on the platform.

About Jeffrey Stern — Salomon trail Running athlete

Jeffrey Stern is an endurance athlete and trail runner whose content blends elite-level training, ultras, skiing, and life outdoors with a strong, authentic voice. With a Mill Valley base, a Salomon association, and a steady stream of race-day and behind-the-scenes running content, he’s a strong fit for brands looking to reach serious runners and active outdoor audiences.


Why you should sponsor me for your next influencer campaign?

 I've been working in the cycling and running industries for nearly two decades as a pro athlete, journalist, event manager, and more. I love working with brands to test and refine products, tell engaging stories and drive engagement in dynamic markets, both online and in-person. Reach out and let's have a conversation to see if we're a good fit for each other's goals.

Gallery

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Overview

🎂39
·
👨Male
📍Mill ValleyCaliforniaUnited States

Ultra Running, Marathon Running

Salomon

California Polytechnic State University, San Luis Obispo

United States

www.uponward.com

Has access to a professional photographer

Pre-Packaged Projects

Frequently asked questions

Promote your brand and sponsor Jeffrey Stern today!

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

Health & WellnessFitness & PerformanceActivewearPetsTravelReadingPhotographySkiingFishing

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the Jeffrey Stern promoting your product.

$480
User Generated Price
Sign up to start an offer

Brand Ambassador Deal

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

$3,000
User Generated Price
Sign up to start an offer

Appearance Deal

Have Jeffrey Stern make a live appearance at your next event

$1,200
User Generated 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 Jeffrey Stern on OpenSponsorship by creating a free account, browsing Jeffrey Stern'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.

Jeffrey Stern 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 Jeffrey Stern starts at $480 for a social media post, $1,200 for a appearance and $3,000 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, Jeffrey Stern's audience includes 9K+ Instagram followers, interests including Health & Wellness, Fitness & Performance, Activewear, Pets, Travel, and more, based in Mill Valley, California, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

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Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Every brand running an influencer campaign on a cost-per-acquisition target eventually asks the same question: how many people will click the link? It decides how many creators you need, and whether your CAC target is realistic before you spend a dollar.

October 29, 2026

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

Ingredient Branding Done Right: How Immunotec Made Glutathione Mainstream

Ingredient Branding Done Right: How Immunotec Made Glutathione Mainstream

Glutathione has become one of the most talked-about molecules in wellness — the “master antioxidant” that shows up in podcasts, longevity conversations, and the supplement aisle alike. But behind that mainstream moment is a brand that has spent decades making glutathione credible: Immunotec. This is the story of how OpenSponsorship helped Immunotec turn that scientific authority into everyday consumer demand — and a real-world example of what ingredient branding looks like when it’s done right.

July 13, 2026

news article image

The Detroit Tigers designated for assignment backup catcher Jake Rogers to clear a roster spot for Javier Báez on Tuesday, July 28. See link below ⬇️ 📸 Junfu Han, Detroit Free Press - Facebook

July 28, 2026

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