Best activewear influencers in the US

Top 15 American Activewear Influencers Every Brand Should Know in 2025

American activewear influencers are everywhere right now! These creators are showing us how fitness and fashion can go hand in hand.

And brands are watching them closely. To collaborate with activewear influencers in the US, first, you need to meet the top names. Then, find an affordable influencer marketing tool to connect to your ideal creators. 

In this blog, we’ve curated a list of the best American activewear influencers on TikTok, Instagram, and YouTube. We’ll also offer easy-to-use platforms for managing your influencer marketing and affiliate links. 

Let’s get started!

Best American Activewear Influencers to Follow in 2025

According to statistics, Nike saw over 257 million social media engagements through influencers in 2024. The whole influencer marketing space is also growing fast, with the industry expected to hit $19.8 billion this year.

With numbers like these, it’s clear that partnering with the right fitness and activewear influencers can be a game-changer for brands.

Below, we spotlight 15 top American activewear influencers on Instagram, TikTok, and YouTube. Whether you’re looking for a male micro-influencer or a female macro-influencer with more followers, this list is for you!

Top American Activewear Influencers on Instagram

Instagram is the leading platform for fitness and athleisure fashion influencers. Here are some of the leading American activewear Instagram influencers to boost your brand visibility:

Top American Activewear Influencers on Instagram

1. Cassey Ho (@blogilates)

Cassey Ho tops the list of the most popular American activewear influencers. She founded “POPFLEX Active” and partnered with notable brands like Target (her line is sold in stores).

Cassey focuses on Yoga and Pilates. She’s actually the creator of viral at-home workouts and fitness challenges. You can see exercise videos and activewear design reveals on her Instagram account.

  • Followers: 3.3M (Instagram), 10.7M (YouTube), 3.7M (TikTok).
  • Eng Rate: 1.88%
  • Avg. Likes per Post: 58.7K
  • Niche: Yoga and Pilates.

2. Heidi Somers (@buffbunny)

Founder of the Buffbunny Collection ( a women’s activewear brand), Heidi is one of the best American female activewear influencers. 

This blonde Instagram influencer is the CEO of the Buffbunny Collection. Beyond her own brand, she’s worked with Gymshark (former athlete).

Heidi specializes in weightlifting & gym style, and her Instagram is all about workout clips and outfit posts. 

  • Followers: 1.6M (Instagram), 812K (YouTube), 1.2M(Facebook).
  • Eng Rate: 1.40%
  • Avg. Likes per Post: 21.1K
  • Niche: Weightlifting & gym style.

3. Yami Mufdi (@yamimufdi)

Yami is “a mom who’s passionate about helping women get fit from home”. Based in Houston, this American mom influencer has launched the “Levavi” activewear line and had collaborations with supplement brands. 

If you’re looking for home workouts & wellness for moms, you should definitely follow Yami. Her content on Instagram includes real-time workout routines, fitness tips, and athleisure try-ons.

  • Followers: 260.60K (Instagram), 232K (YouTube), 148.2K (TikTok).
  • Eng Rate: 0.25%
  • Avg. Likes per Post: 584
  • Niche: Home workouts & wellness for moms. 

4. Brittany Allen (@brittanyallen.atx)

As a top American activewear micro-influencer, Brittany is an Austin-based fashion designer turning activewear into couture. 

Her Instagram posts, which feature her bold workout outfits and design process, can resonate with fashion-forward audiences (many fellow creators). 

Brittany is also a “Project Runway” alum and owns “Brittany Allen” eco-activewear. She’s partnered with local boutiques and designs capsule gym collections.

  • Followers: 69.2K (Instagram), 77.3K (TikTok), 3.5K (Facebook).
  • Eng Rate: 1.66%
  • Avg. Likes per Post: 1.08K
  • Niche: Athleisure fashion & design.

5. Mia Calidonio (@calidoniomia)

Our last creator on the list of the top American activewear influencers is Mia Calidonio, a lifestyle & gym fashion influencer. This Nashville-based “fit mom” is mixing family life with fitness.

She regularly posts gym outfits and healthy living snippets. Mia is also a brand ambassador for “YoungLA For Her” (activewear). Moreover, she collaborates with local fitness studios.

In addition to Instagram, Mia is active on TikTok. She’s gained over 21M likes from her makeup, skincare, and hair videos. 

  • Followers: 52.6K (Instagram), 317.3K (TikTok).
  • Eng Rate: 6.13%
  • Avg. Likes per Post: 3.1K
  • Niche: Lifestyle & gym fashion. 

Top American Activewear Influencers on TikTok

Fitness and activewear TikTokers in the US usually create short, viral content – from quick workout routines to outfit transitions and fitness humor. Let’s meet the top 5 American TikTok activewear influencers:

Top American Activewear Influencers on TikTok

6. Stefana Avara (@stefana.avara)

Let’s kick off our top American activewear influencers on TikTok with a Tampa-based body-positive activewear coach.

Stefana is the founder of “Liaison Label”, an activewear brand, and collaborates on fitness challenges with other TikTok creators.

Her Instagram posts are all about workout hacks and comedic takes on gym life, the content that captures the Gen Z men and women. 

  • Followers: 940.2K (TikTok), 217.7K (Instagram), 5.9K (YouTube). 
  • Eng Rate: 5.25%
  • Avg. Likes per Post: 108
  • Niche: Workout hacks and comedic takes on gym life. 
@stefana.avara

Bikini of the day is @VINCIJA SWIM and I’m so obsessed 🤍🖤

♬ WWT – Lorde

7. Ana Cheri (@anacheri)

A fitness model & entrepreneur, Ana Cheri is currently living in Anaheim, California. She’s the owner of Change Fate Active (activewear brand), and her past partnerships include 1UP Nutrition and Fashion Nova. 

Additionally, she co-owns Be More Athletics, a fitness gym in Santa Ana, California, with her husband, Ben Moreland. 

Ana often posts gym routines and fashion-forward activewear looks on her TikTok account. As a passionate fitness influencer, Ana has hunted over 713.3K likes on TikTok.

  • Followers: 242.2K (TikTok), 12.3M (Instagram), 86.5K (YouTube). 
  • Eng Rate: 3.43%
  • Avg. Likes per Post: 790
  • Niche: Fashion-forward activewear. 
@anacheri

Shape the style you’ll love ✨ Use my code: HalaraAna (You can participate in Halara Circle directly by using the code, with no purchase required) #TheHalaraCircle @Halara_official

♬ original sound – Ana Cheri

8. Angela FitbyHIIT (@angela_fitbyhiit)

With around 150K followers on TikTok, Instagram, and Facebook, Angela is a leading mid-tier influencer in the world of activewear. She specializes in thrifted activewear and home workouts. 

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Angela also creates TikToks on budget-friendly fitness (e.g., thrift store gym outfits) and HIIT routines at home, gaining over 2.9M likes for her. 

What’s more, this American influencer is the founder of Savvy Thrift Activewear, which promotes affordable workout clothes. Ana also collaborates with bargain fitness gear brands.

  • Followers: 129.8K (TikTok), 14.7K (Instagram).
  • Eng Rate: 2.28%
  • Avg. Likes per Post: 42
  • Niche: Thrifting & lifting. 

9. Jessica Finn (@jessicamfinn)

For small to medium brands seeking American activewear micro-influencers, Jessica is a top choice. She’s a personal trainer and activewear entrepreneur who shares fitness tips and gym humor on her social media.

This NYC-based influencer also promotes her apparel startup, GPA. Her advice and lifestyle TikToks have brought her more than 2.9M likes. 

It’s interesting to know that Jessica has affiliate deals for gym gear and frequently tags Gymshark and Nike in challenges.

  • Followers: 98.6K (TikTok), 14K (Instagram).
  • Eng Rate: 5.77%
  • Avg. Likes per Post: 88
  • Niche: Fitness tips & gym humor.

10. Brandon Bonds Sr. (@brandonbondssr)

Now, it’s time to meet one of the best American male activewear influencers on TikTok! Brandon works in men’s fitness and coaching, sharing quick workout demos, motivational clips, and activewear for big and tall men.

Brandon also runs an online coaching program. He promotes big and tall activewear brands as well as his own training merch. As a rising micro-influencer in the US, Brandon has over 122K likes on his TikTok.

  • Followers: 56.2K (TikTok), 2.3K (Instagram), 4.9K (Facebook).
  • Eng Rate: 11.62%
  • Avg. Likes per Post: 73
  • Niche: Men’s fitness and coaching.

Top American Activewear Influencers on YouTube

Many Instagram and TikTok stars also run YouTube channels to share longer content and monetize via ad revenue. Here are some top American activewear YouTubers making waves:

Top American Activewear Influencers on YouTube

11. Hope Allen (@hopescope)

As one of the most followed American activewear influencers on YouTube, Hope Allen is famous for testing leggings, reviewing new gymwear brands, and “shopping hauls” of affordable activewear.

Her videos reviewing Amazon activewear dupes vs. Lululemon often go viral. Hope describes herself as a “Treasure Hunter and Professional Shopper”. By now, this mega-influencer has posted over 500 videos, which also include trending tiktok products. 

  • Followers: 6.55M (YouTube), 1.1M (TikTok), 650K (Instagram).
  • Eng Rate: 3.57%
  • Avg. Likes per Post: 60.6K
  • Niche: Activewear product reviews.

12. Whitney Simmons (@WhitneySimmons)

Whitney is a fitness fashion icon and long-time Gymshark athlete who’s also worked with Alani Nu (nutrition). Her “Gymshark haul” videos are fan-favorites, setting trends in gym fashion.

Whitney became a YouTuber in 2015 and, since then, posts gym workouts and athleisure lifestyle, gym training videos, clothing hauls, and “day in the life” vlogs in workout gear.

  • Followers: 2.36M (YouTube), 3M (TikTok), 4.1M (Instagram).
  • Eng Rate: 0.65%
  • Avg. Likes per Post: 1.02K
  • Niche: Gym fashion.

13. Massy Arias (@Mankofit)

Known as a certified health & wellness coach, trainer, motivational speaker, and entrepreneur, Massy shares workout routines focusing on form, as well as diet tips and maternity fitness content.

Massy has partnered with Fabletics (featured as a guest designer) and Adidas in campaigns. She also has her own fitness program, MA Warrior Programs, and wellness brand, TruSupplements.

Her content is in both English and Spanish, inspiring a new generation of trainers & wellness enthusiasts!

  • Followers: 1.3M (YouTube), 3.1M (Instagram), 363.5K (TikTok).
  • Eng Rate: 6.58%
  • Avg. Likes per Post: 4K
  • Niche: Health & wellness coach. 

14. Christian Guzman (@christianguzman)

“A 19-year-old (now 30) who picked up a camera to document his training and share his obsession for fitness with others, opened his first gym, started an athletic apparel brand (Alphalete), and never looked back”.

This is how Christian describes himself in his YouTube bio! He talks about everything from fitness entrepreneurship to training on his YouTube channel.

Besides, Christian’s vlogs document bodybuilding, business, and activewear design (his brand).

  • Followers: 971K (YouTube), 1M (Instagram), 16.4K (TikTok).
  • Eng Rate: 1.41%
  • Avg. Likes per Post: 909
  • Niche: Fitness & training.

15. Nikki Blackketter (@nikkiblackketter)

Former Gymshark ambassador Nikki Blackketter has her own leggings collection with a boutique brand. Known for her authentic talk on body image and gym culture, she lives in San Diego. 

Nikki not only posts weightlifting vlogs but also shares her adventures with her roommate, friends, family, and cat. Let’s say she’s also a cat influencer!

And just so you know, she’s one of the first female bodybuilding YouTube influencers

  • Followers: 683K (YouTube), 1.4M (Instagram), 36.4K (TikTok).
  • Eng Rate: 3.90%
  • Avg. Likes per Post: 1.7K
  • Niche: Fitness & weight lifting.

With so many influencers across platforms, how can activewear brands easily find the right partners? 

Is there any quick, affordable way to connect with them and create influencer marketing campaigns? Let’s explore our top solution!

Ainfluencer: The Best Platform for Finding American Activewear Influencers

Ainfluencer is a free, DIY, AI-powered influencer marketplace that connects brands with 5M+ influencers on Instagram, TikTok, and YouTube. Let’s see why Ainfluencer is the best option for brands (mainly small to medium) to collaborate with the top activewear influencers in the US.

Key Features of Ainfluencer

  • AI-Powered Matching: Ainfluencer uses AI to instantly match brands with the most relevant activewear influencers based on niche, audience demographics, engagement, and more.
  • Detailed Analytics of Influencers: You’ll access valuable info about each influencer, including past collabs, reviews, engagement rates, etc.
  • Track Campaigns: The tool measures key metrics like engagement, likes, ROI, impressions, and more to track the performance of your campaigns.
  • End-to-end CRM: This feature provides a built-in chat inbox to negotiate deals, make payments, and manage campaigns from start to finish within the tool.
  • Escrow Payment System: This payment model means brands can confidently pay for influencer campaigns if the agreed terms are met.
  • Shopify Integration: Ainfluencer integrates with e-commerce tools like Shopify, enabling brands (especially those selling activewear online) to track sales from influencer campaigns directly.
  • Global Reach: The platform also supports multiple languages, making it easy for brands to connect with influencers and audiences around the world. 

Ready to elevate your activewear marketing? 

Sign Up On Ainfluencer 

Note: In addition to influencer collaborations, many activewear brands and influencers are exploring affiliate marketing to boost sales.

If you’re looking to enhance your Amazon affiliate marketing, AlgoRift can meet your needs for these reasons:

  • It connects Amazon sellers with a vast network of affiliates (100K),
  • It offers flexible commission rates (10-40%),
  • The tool provides advanced features such as one-click ASIN imports and coupon code tracking.

So don’t miss out on this opportunity! 

Join AlgoRift Now

Final Words 

American activewear influencers can shape what fitness looks and feels like. In other words, they’ve helped turn workout clothes into everyday style and built loyal communities along the way. 

For brands, whether small or large, collaborating with the right influencers isn’t just smart; it’s essential! 

That’s where tools like Ainfluencer and AlgoRift step in! With these influencer marketing and affiliate marketing platforms, it’s easier than ever to find partners who genuinely connect with your audience. 

FAQs about American Activewear Influencers

Here are some FAQs about our topic:

1. How Do I Choose the Right Activewear Influencer for My brand?

To select the best American activewear influencers for your brand, follow these simple steps:

  • Define your target audience and campaign goals,
  • Look for influencers whose followers match your demographic,
  • Evaluate the influencer’s content type and engagement rate,
  • Use tools like Ainfluencer to automate much of this matching pro,
  • Finally, review the influencer’s past brand partnerships or sponsored content to ensure authenticity and professionalism. 

2. What Is the Best Way to Collaborate with Activewear Influencers in the US?

It depends on your goals and budget. However, the most effective methods to collaborate with activewear influencers include paid posts, affiliate collaborations, and product gifting.  

3. Who Are the Best American Women Activewear Influencers?

Here’s the list of the top 5 female activewear influencers in the US:

  • Hope Allen (@hopescope): 6.55M followers on YouTube,
  • Cassey Ho (@blogilates): 3.3M followers on Instagram,
  • Heidi Somers (@buffbunny): 1.6M followers on Instagram,
  • Stefana Avara (@stefana.avara): 940.2K followers on TikTok,
  • Ana Cheri (@anacheri): 242.2K followers on TikTok.