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  1. Home
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  3. Kerstin Holster

Kerstin Holster profile image

Sponsor Kerstin Holster

United States
Athlete

Self-Managed

Mountain Biking - Privateer
Niche
Reach
High
Response Rate

About Kerstin Holster — Privateer mountain Biking athlete

Kerstin Holster is a Portland-based mountain biking creator whose content blends authentic trail riding, Pacific Northwest scenery, and a warm lifestyle angle centered on her dog Ruby and life at home. She’s a strong fit for outdoor, activewear, pet, and adventure campaigns because her audience sees both the sport and the personality behind it.


Why you should sponsor me for your next influencer campaign?

 This is an opportunity to sponsor a driven, motivated, community-oriented athlete who provides Women's Bike Maintenance classes, Skills Clinics, she is a youth mentor in Sweetlines Jr racing program and is an Elite Mountain Bike Racer. Sponsoring Kerstin in 2018 would allow her to pursue her dreams and give back to the community.

Gallery

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Overview

🎂35
|
👩Female
📍PortlandOregonUnited States

Privateer

Portland State University

United States

Sweetlines JR Racing Mentorship Program, NWTA, No Apologies MTB!

www.kerstin-holster.com

Pre-Packaged Projects

Frequently asked questions

More details

Rankings

  • My career high rank was 1st overall series champion. As part of the NW Cup. In the year 2017.
  • My career high rank was 2nd overall series in points. As part of the NW Cup. In the year 2016.

Awards

  • PMBIA Skills Coach Award

  • 1st Overall NW Cup Pro Womens Champion

References / press

  • https://www.pinkbike.com/news/athlete-profile-kerstin-holster-2015.html

  • https://noapologiesmtb.com/team-members/kerstin-holster/

  • http://nomanslandfilmfestival.org/women/2017/10/4/kerstin-holster

  • https://www.rootsandrain.com/rider60450/kerstin-holster/results/

  • https://www.instagram.com/p/BZhb0Xtgrw0/?taken-by=bikeportland

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Demographics
Demographics

Demographics

See more info on the age, location and gender on the profile's audience

Recent News
Recent News

Recent News

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Talking about
Talking about

Talking about

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Reviews
Reviews

Reviews

See the profile's reviews and ratings on past deals

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Promote your brand and sponsor Kerstin Holster today!

1
Choose me

Choose me

Review my profile and stats to see if I am the right fit for your campaign.

2
Create a proposal

Create a proposal

Send me a proposal detailing your objectives and campaign needs.

3
Set deliverables

Set deliverables

Specify the exact marketing tasks and deliverables you want completed.

4
See ROI

See ROI

Track performance to measure the results and return on your investment.

Sign up and send Kerstin Holster a proposal or connect with +25,000 athletes. Set your marketing deliverables, have athletes execute them and watch the return multiply.

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

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July 15, 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

America's 250th Birthday: The Brand Activation Playbook for 2026

America's 250th Birthday: The Brand Activation Playbook for 2026

2026 is the biggest year in American sports history

On July 4, 2026, the United States turns 250. The Semiquincentennial — America250 — isn't a single day; it's a Congress-chartered, yearlong national celebration running from Memorial Day 2025 through the end of 2026, with signature events in New York, Philadelphia, Washington, DC and Main Streets across the country.

July 1, 2026

PetsHome LifeMarriage & FamilyMusicPhotographyTravelCampingTechnologyPetsMountain Biking

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the Kerstin Holster promoting your product.

$400
Estimated Price
Sign up to start an offer

Brand Ambassador Deal

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

$3,600
Estimated Price
Sign up to start an offer

Appearance Deal

Have Kerstin Holster make a live appearance at your next event

$600
Estimated Price
Sign up to start an offer

Custom

Need help on a custom package for this athlete?

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Frequently asked questions

Brands can sponsor Kerstin Holster on OpenSponsorship by creating a free account, browsing Kerstin Holster'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.

Kerstin Holster 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 Kerstin Holster 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, Kerstin Holster's audience includes 6K+ Instagram followers, interests including Pets, Home Life, Marriage & Family, Music, Photography, and more, based in Portland, Oregon, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

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