Imagine spending months building your online presence, growing an audience, and eventually landing a partnership with a brand you love. That’s a pretty exciting milestone for a content creator! But here’s something we don’t talk about enough. When a brand partners with a creator, they’re investing in more than the content that person produces. They’re also trusting the creator’s reputation.
And a recent story involving a fitness influencer, a marathon, and a major running brand is a really interesting example of why that matters.
Not because I think we need another opportunity to criticize someone on the internet. We have plenty of that already. But because there’s a genuinely useful business lesson here for creators and brands.
What Happened at the Berlin Marathon?
On September 27, 2026, fitness influencer Sun Yuanyuan, known online as Abeeeer, participated in the Berlin Marathon. Following the race, she shared a finishing time of 4 hours, 53 minutes, and 46 seconds, reportedly celebrating it as a personal best.
But questions emerged after an Instagram account focused on marathon results shared a photograph showing her riding a bicycle during the race. Her recorded race splits also showed an unusually fast section.
According to reports, Abeeeer said she began feeling unwell during the marathon and rode a bicycle for part of the course. She later shared her finishing time as a personal best without initially disclosing that she hadn’t completed the entire race on foot. After questions surfaced about her results, she publicly apologized and acknowledged breaking the marathon’s rules.
Then, on October 4, a sponsor of hers, Brooks China, announced that it had ended its sponsorship partnership with her. The company also acknowledged a problem with its own review process. It had examined her finishing result and promotional content without adequately checking the race data. I’m not going to dig into the details too much more, so if you want to read more about it, check it out here.
Why This Story Matters Beyond Running
I’m not a marathon runner, and I’m certainly not here to analyze anyone’s race performance. What caught my attention about this story was the relationship between the creator, the brand, and the achievement being promoted.
Brooks is a running brand. Running is central to its products, marketing, and relationship with customers. That means an athlete’s performance can become an important part of a partnership’s credibility. But this applies to so many other industries, too.
Think about a financial creator discussing investment results, a beauty influencer sharing product transformations, or a business coach talking about client success. When a specific achievement helps establish someone’s credibility, accuracy becomes especially important. And when that achievement becomes part of sponsored content, both the creator and the brand have something at stake.
What Creators Can Learn About Protecting Their Reputation
If you’re building a business as a content creator, one of the most valuable things you have is your audience’s trust. And I don’t think protecting that trust requires being perfect. You’re allowed to have disappointing results. You’re allowed to change your mind about products. And, you’re allowed to share that something didn’t work the way you expected.
In fact, I think those moments often make content more relatable.
But there’s an important difference between sharing an imperfect experience and presenting an inaccurate claim as fact. Before publishing content involving measurable achievements, credentials, testimonials, or results, make sure you can support what you’re saying.
And if you’re working with a sponsor, be especially thoughtful about claims that could influence someone’s purchasing decision. You don’t need to exaggerate your accomplishments to create valuable content.
What Brands Can Learn About Creator Partnerships
Here’s another part of this story that deserves attention. Brooks China publicly acknowledged shortcomings in its verification process. And I think that’s an important reminder that brand partnerships are a shared responsibility. If you’re a small business owner working with creators, it’s perfectly reasonable to ask questions about claims that will appear in promotional content.
For example, if a creator is promoting a product based on a specific result, ask what supports that result. If they’re discussing professional expertise, make sure any relevant credentials are accurate.
That doesn’t mean treating every creator with suspicion. It means having a thoughtful review process before publishing claims that could affect your customers’ decisions. The goal is to protect both the business and the creator.
What If Something Goes Wrong in a Partnership?
This is where I think the most practical lesson lives. Even with good intentions and careful planning, mistakes happen. A creator might publish an incorrect statistic, misunderstand a product feature, or share information that later turns out to be inaccurate.
If that happens, the response matters.
Both sides should understand their contractual responsibilities, including any requirements around approvals, corrections, or ending the partnership. And neither side benefits from turning a manageable mistake into a public argument. Sometimes the right response is a correction. Other situations may require a more significant decision.
The important thing is to respond based on the facts rather than the pressure of online reactions.
Your Reputation Is Part of Your Business
I talk a lot about searchable content, blogging, and building an audience that can find you beyond social media. But there’s another part of building an online business that deserves just as much attention.
Credibility.
People can discover your content through Google, Pinterest, Instagram, or YouTube. But whether they decide to trust you is an entirely different conversation. And if you’re hoping to work with brands, that trust matters. You don’t need to be the most successful person in your industry. You don’t need the biggest audience or the most impressive accomplishments.
You need to create content that’s accurate, useful, and consistent with the relationship you’re building with your audience. Because your reputation isn’t just what helps you attract brand partnerships. It’s part of what makes those partnerships valuable in the first place.
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FAQ
What happens when an influencer violates a brand partnership agreement?
The consequences depend on the agreement and the circumstances. A brand may request corrections, pause a campaign, or terminate the partnership if the creator violates contractual requirements. Not every mistake results in a lost sponsorship, but creators should understand their agreements before signing.
How can content creators protect their reputation when working with brands?
Creators can protect their reputation by sharing accurate information, making honest product recommendations, disclosing sponsored relationships, and communicating openly with their brand partners. If something goes wrong, addressing the issue promptly and correcting inaccurate information can help preserve trust.
What should a creator do if they make a mistake in sponsored content?
Start by identifying what went wrong and contacting the brand if the mistake affects the partnership. Correct inaccurate claims clearly, follow any applicable disclosure requirements, and review the agreement for additional obligations. Avoid deleting content simply to hide a problem, especially if doing so could create further confusion.
Should brands verify an influencer’s claims before sponsoring them?
Yes, particularly when a campaign depends on specific achievements, credentials, testimonials, or measurable results. Brands should have a reasonable review process to help ensure promotional claims are accurate and supported by evidence.
Can a content creator rebuild trust after a brand controversy?
It’s possible, although rebuilding trust can take time. Taking responsibility where appropriate, correcting misinformation, communicating consistently, and demonstrating reliable behavior over time can help. The outcome will depend on the circumstances and how audiences and partners respond.
