Business GrowthSales and Marketing How to Grow Your Gym Using Influencer Marketing (2025 Edition)

How to Grow Your Gym Using Influencer Marketing

Are you looking to pack your classes, grow your membership base, and create a loyal fitness community around your gym? Then, there’s one strategy you can’t afford to ignore: influencer marketing.

And, in 2025, influencer marketing isn’t just for fashion brands or energy drinks. Instead, it’s one of the most powerful (and cost-effective) ways gyms can build serious buzz and drive sustainable growth.

Ready to learn more? Let’s break down how you can tap into this strategy with our step-by-step  guide. So that you can make it work for your gym this year and beyond.

📝 Free Resource: The Ultimate Pricing Guide for Fitness Studios

Why Influencer Marketing Is a Must for Gyms

First, let’s get real. Fitness is social by nature. Because, people want to belong. They want to be inspired. And, they want proof that a fitness community is worth joining.

Enter influencers. Who, when used strategically — provide exactly that.

  • Consumers trust influencers more than traditional ads.
  • Fitness is one of the top-performing categories on TikTok, Instagram, and YouTube.
  • Micro-influencers drive real, local engagement — exactly what you want for a gym or studio.

If you’re not leveraging influencer marketing, you’re leaving serious membership growth (and revenue) on the table.

Step #1: Understand the Types of Influencers

Now, before you dive in, know who you’re working with. Because, influencers generally fall into these three categories:

 

Type Follower Count Best For
Nano-influencers 1K–10K Hyper-local engagement, authenticity
Micro-influencers 10K–100K Strong niche credibility, higher conversions
Macro-influencers 100K–1M+ Broad awareness, brand-building

Pro tip: prioritize micro-influencers

As a gym owner, we highly recommend you focus on building relationships with micro-influencers. Because, their audiences are:

  • Highly engaged: First, followers trust them because they’re seen as “one of us.” Not as untouchable celebrities.
  • Locally rooted: Second, they’re usually members of your community already. This makes it much easier to build real-world connections.
  • More affordable: Third, working with smaller influencers often costs less. Or, can even be done in exchange for gym perks instead of cash.
  • Better for authentic content: Lastly, nano- and micro-influencers are known for producing relatable, unscripted content. This resonates more with audiences looking for genuine fitness experiences.

Takeaway: Partnering with 5–10 smaller influencers often drives way more sign-ups, buzz, and loyalty than a single big-name post ever could.

Think of it like this:

Would you rather have 10 people shouting you out to their closest 1,000 friends? Or, one person promoting you to 100,000 strangers who don’t live anywhere near your gym?

Focus local. Focus real. That’s the future of influencer marketing for gyms.

📝 Check Out: Gym Member Retention Strategies for 2025

Step #2: Find the Right Influencers for Your Gym

Not every fitness influencer will be a good fit. So, focus on connection, content, and credibility. Here’s how: 

  • Connection: First, do they have an audience that matches your ideal member? (Young professionals, busy parents, college students, etc.)
  • Content: Next, does their posting style match your brand energy? Are they positive, inspiring, and relatable?
  • Credibility: Finally, check their engagement. Are people commenting, liking, and sharing — or is it crickets?

Where to find influencers:

  • Local hashtags (ex: #NYCFitness, #TorontoFit, #AustinWorkout)
  • Followers who already tag your gym
  • Search TikTok and Instagram for fitness creators in your city

Pro tip: Look beyond follower count. 5,000 real followers are more valuable than 50,000 fake ones.

Step #3: Build Relationships (Not Just Transactions)

The biggest mistake gyms make with influencer marketing? Treating influencers like ad space instead of partners.

Instead:

  • Invite them for a free workout or tour before proposing anything.
  • Get to know them — their goals, style, audience.
  • Personalize your pitch (“We think your focus on strength training would resonate with our members…”)
  • Collaborate on ideas instead of dictating posts.

Similarly, influencer marketing works best when it feels authentic. People can spot a scripted sales pitch from a mile away. What audiences crave today is real experiences, real results, and real enthusiasm.

And, when influencers genuinely enjoy working out at your gym, love the atmosphere, and see real progress, their followers can feel it. And that’s what inspires them to take action.

So, instead of handing them a script, empower influencers to share their honest journey. For example, their favorite classes, their favorite trainers, their real before-and-after moments

The more real the story, the stronger the impact.

Step #4: Collaboration Ideas That Actually Work

There are endless ways to partner with fitness influencers. Here are a few proven options:

#1: Guest workouts

First, have influencers lead a special class or co-host a session at your gym. They’ll bring their followers (and excitement) with them.

#2: Progress journeys

Next, document an influencer’s fitness journey at your gym over 6–8 weeks — showing real, relatable transformation.

#3: Social media challenges

Then, consider launching a challenge (like a “30-Day Core Crusher”) and have influencers post weekly check-ins. Add prizes to boost participation!

#4: Content takeovers

Next, let an influencer “take over” your Instagram Stories for a day — giving followers a peek into life inside your gym.

#5: Exclusive promo codes

Finally, give influencers a unique discount code to share. Great for tracking ROI and creating urgency.

Step #5: Measure Your Success

It’s impossible to manage what you don’t measure. So, be sure track these key influencer marketing metrics:

  • New memberships linked to promo codes
  • Website traffic spikes during campaigns
  • Instagram/TikTok reach and engagement
  • Follower growth (both on social and email list)
  • UGC (User-Generated Content) volume — how many people are tagging and posting about your gym?

Tracking individual performance helps you see exactly which influencers are driving real results — whether that’s website visits, sign-ups, or engagement.

So, use easy-to-track links (like bit.ly URLs) or set up promo codes unique to each influencer. This way, you can monitor conversions in real time, adjust your strategy as needed, and reward top-performing partners with bonuses or extended collaborations.

Pro tip: When influencers see that you’re tracking and recognizing their impact, it strengthens your relationship and motivates them to promote your gym even harder.

Bonus: Emerging Influencer Marketing Trends for 2025

Finally, want to stay ahead of the curve? Watch for these trends:

#1: AI creators and virtual influencers

First, yes, they exist! And they’re growing fast. Some brands use AI avatars to promote content. But for gyms, authenticity still wins. Stick to real people unless you’re launching a highly digital product.

#2: The rise of the “Everyday Athlete”

In 2025, people trust everyday fitness enthusiasts more than picture-perfect bodybuilders. Prioritize relatability over “perfect” physiques when picking your partners.

#3: Short-form video rules

TikTok, Reels, and YouTube Shorts are still leading the charge. Influencer partnerships should focus on quick, punchy, high-energy content — not long, polished videos.

Mistakes to Avoid in Influencer Marketing

Save yourself time (and cash) by steering clear of these common pitfalls:

  • Mistake 1: Only looking at follower count. (Engagement matters more!)
  • Mistake 2: Micromanaging content. (Trust influencers to know what resonates with their audience.)
  • Mistake 3: Skipping contracts. (Always outline deliverables, deadlines, and compensation clearly.)
  • Mistake 4: Ignoring small wins. (Sometimes the goal isn’t just sales. Instead, it’s community growth, brand awareness, or content creation.)
  • Mistake 5: Giving up too soon.(Like fitness results, influencer marketing takes consistency and smart adjustments.)

Final Thoughts: Influencer Marketing = Community Building

Lastly, when done right, influencer marketing doesn’t just drive more memberships — it builds deeper roots in your community. It shows that real people love your gym, trust your coaching, and thrive in your environment.

That’s the kind of buzz no paid ad can buy!

Start small. Stay authentic. Build real partnerships. Your future members are already scrolling. Let’s give them something worth stopping for.

Ready to Supercharge Your Gym’s Growth?

ABC Trainerize helps you streamline your member management, power your marketing, and deliver incredible coaching experiences. Both online and in-person.

Finally, pair your influencer marketing efforts with smart digital tools. And watch your gym level up faster than ever.

👉 Explore Trainerize and start growing today!

Alexandra Vigue

Alex is a mom, speaker, writer, podcast host, and SEO specialist. She has many years of experience writing content for clients across a multitude of industries from MedTech to FinTech, ultimate frisbee and everything in between. Alex is passionate about helping clients create content that inspires their audience to take action. When she's not writing or podcasting, Alex loves hanging with her young family, socializing with friends and continuing to take steps towards creating a life full of joy, success and happiness.

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