Top 15 Fitness Influencers of 2025 and Best Practices for Working with Them

Written by GRIN Contributor Reviewed by Quinn Schwartz

24 minute read

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6 fitness influencers

Influencer marketing has become a cornerstone of modern fitness brand strategies. It seamlessly combines the personal touch of word-of-mouth recommendations with the broad reach of celebrity endorsements. By leveraging the authenticity of fitness influencers, brands can build trust and connect more deeply with their audience, creating powerful and credible marketing campaigns.

Top female fitness influencers

Kayla Itsines

Kayla Itsines, known for her Bikini Body Guides and the Sweat app, is a household name in the fitness world. Her high-intensity workout programs have inspired millions globally. Her content is consistently engaging, featuring transformative fitness journeys and practical workout tips.

Kayla’s followers trust her deeply due to her years of providing effective and transformative fitness programs. Partnering with her can enhance your brand’s credibility and reach, particularly in markets focused on high-intensity and transformative fitness. 

Cassey Ho

Cassey Ho, known for her energetic and accessible workout routines, is the founder of Blogilates and POP Pilates. She has a dedicated community that loves her positive and inclusive approach to fitness.

Cassey’s content spans fitness, lifestyle, and wellness, making her a versatile partner for various fitness and health brands. Her ability to create engaging and educational content ensures that her followers are not just passive viewers but active participants in their fitness journeys.

Emily Skye

Emily Skye combines fitness with mental health advocacy, making her a well-rounded influencer. Her content ranges from intense workout routines to motivational posts about postpartum fitness and body positivity.

Emily’s realistic and relatable approach to fitness makes her a trusted voice among her followers. Partnering with Emily can help your brand tap into a community that values both physical and mental well-being.

Massy Arias

Massy Arias is a certified health coach and fitness trainer with a strong focus on strength training and holistic wellness. Her content often includes motivational and educational elements.

Massy’s influence extends beyond fitness into overall wellness, making her an excellent ambassador for brands aiming to promote a balanced and healthy lifestyle. Her approach to fitness is comprehensive, addressing both physical and mental health, which aligns well with brands looking to market holistic health products. 

Tammy Hembrow

Tammy Hembrow is a fitness influencer and entrepreneur known for her fitness programs and activewear line. She exemplifies hard work and dedication in the fitness industry.

Tammy’s extensive reach and entrepreneurial spirit make her a powerful partner for fitness brands looking to connect with a large, motivated audience. Her ability to balance business and fitness content provides a multifaceted platform for promoting products. 

Maddie Lymburner

With over 10 million YouTube subscribers on her channel MadFit, Maddie Lymburner is one of the most popular fitness influencers. 

She shares easy-to-follow cardio and dance workouts on YouTube, Instagram, and TikTok. She also launched a workout app called MadFit for at-home exercises.

Kelsey Wells

Fitness trainer Kelsey Wells is known for creating the PWR program—postpartum workouts for moms. She also shares workouts for women through her fitness app Sweat and on her Instagram.

Courteney Fisher

Courteney is the creator of the Fit with Coco method, workout routines that combine pilates, strength training, and cardio. She has a large following on Instagram, where she shares fitness challenges and easy-to-do at-home workouts.

Anna Engelschall 

Anna shares home workout routines— Pilates, HIIT, and dance—with over two million TikTok and Instagram followers. In addition to fitness content, she shares her experiences dealing with unrealistic expectations and promotes personal growth and self-love.

Lexie Learmann

Lexie Learmann started sharing fitness content while attending college. She often shares her weekly workouts, including at-home cardio, gym routines, and weightlifting. She’s gained over three million TikTok followers and posts lifestyle and health and wellness content.

Lexie also shares vlogs with her twin sister Ana on their YouTube channel, The Learmann Twins

Top male fitness influencers

Simeon Panda

Simeon Panda is renowned for his dedication to natural bodybuilding and his motivational content. His posts offer practical tips on workout routines, nutrition, and maintaining a healthy lifestyle.

Simeon’s immense following and deep engagement rates make him a powerhouse in the fitness world. His motivational and educational content resonates well with audiences looking for authentic fitness advice, making him an excellent partner for brands aiming to inspire and educate their customers​.

Chris Bumstead

Chris Bumstead, a Classic Physique Mr. Olympia champion, is celebrated for his incredible physique and charismatic presence. His content ranges from training routines to nutrition and personal life updates, providing a comprehensive look into his fitness journey.

Chris’s authentic connection with his audience and his status as a top competitor make him a highly influential figure. Brands partnering with Chris can leverage his credibility and extensive reach to promote products effectively, especially those related to bodybuilding and sports nutrition​.

Joe Wicks

Joe Wicks, known as The Body Coach, focuses on making fitness and nutrition accessible to everyone. His content includes quick, effective workouts and easy-to-follow meal plans, which have garnered a dedicated global following.

Joe’s engaging personality and practical approach to fitness and nutrition make him an ideal partner for brands promoting healthy lifestyles. His ability to break down complex fitness concepts into manageable tips ensures high engagement and trust from his audience.

Ulisses Jr.

Ulisses Jr. is admired for his impressive physique and dedication to fitness. His content is a mix of workout tips, motivational posts, and personal insights into his training regimen.

Ulisses’s dedication to fitness and his ability to connect with his followers make him a valuable partner. His high engagement rates and inspirational content can help brands connect with fitness enthusiasts looking for serious workout advice and inspiration​.

Jeremy Buendia

Jeremy Buendia is a four-time Mr. Olympia Men’s Physique champion known for his blend of athleticism and aesthetics. He openly shares his fitness journey, including both his victories and struggles, fostering a genuine connection with his followers.

Jeremy’s candid approach to sharing his fitness journey builds a strong rapport with his audience. Brands can benefit from his authenticity and high engagement, particularly those in the fitness and health industries looking to promote products that resonate with a dedicated fitness community.

Dayan Kole 

Dayan Kole has attracted over four million TikTok and six million Instagram followers with his entertaining jump roping videos. His workouts blend trending music with jump rope and dance routines. 

He’s open about his fitness journey and how learning to jump rope over four years ago changed his life.

Jeff Nippard

@jeffnippardfitness

Dumbbell Rows or: How I Learned To Stop Worrying And Love The Gym

♬ original sound – Jeff Nippard

Many in the fitness community trust Jeff Nippard for his science-focused approach to bodybuilding and nutrition. 

Jeff studied biochemistry in college and uses his background to share educational fitness tips. He shows proper exercise form and challenges fitness myths to help his followers train more effectively.

Jarell Carter

@jarellcarter8 Where are y’all developing these skills?? #mobility #challenge #mobilitytraining #mobilitychallenge #mobilityexercises #flexibility #calisthenics #balance #core ♬ original sound – jarellcarter8

Former football cornerback Jarell Carter posts funny, relatable videos from his home gym. He’s known for testing out popular and unbelievable fitness challenges. 

Although he’s an athlete, he doesn’t shy away from showing the struggle to complete some of them. His dog, Dootie, appears in his videos too, making his fitness content relatable and lighthearted.

Tank Tolman

Self-described “nerd-gym trainer” Tank Tolman puts a unique spin on working out by combining fitness with Norse mythology and fantasy roleplay. 

Often dressed in Viking garb, Tank shares fantasy-inspired workouts and playlists on YouTube, TikTok, and Instagram. He also promotes physical and mental health through his content.

Tavi Castro

Known as “The Real Aquaman”, Tavi Castro holds records for extreme underwater training and freediving.  He often shares his freediving and bodybuilding training on YouTube and Instagram. Much of his content shares superhero-level workout routines, and he helps beginner to advanced bodybuilders train for competitions.

Top TikTok fitness influencers

Jessamyn Stanley

Jessamyn Stanley is a body positivity advocate and yoga teacher known for her inclusive approach to fitness. Her content focuses on making yoga accessible to everyone, regardless of body type or fitness level.

Partnering with Jessamyn can help your brand reach a diverse audience and promote a message of inclusivity. Her authentic and relatable content resonates deeply with followers looking for genuine fitness inspiration and encouragement​​.

Jesse James West 

Jesse James West combines fitness with humor, making his content not only informative but also highly entertaining. His unique approach to fitness content helps him stand out and keeps his audience engaged.

Jesse’s ability to blend humor with fitness makes him a relatable and influential figure. Partnering with him can bring a fun and engaging element to your brand, making fitness approachable and enjoyable for a broader audience.

Rose Njoku

Rose Njoku offers both beginner and advanced workout routines, sharing her personal fitness gains to motivate her followers. Her content includes practical fitness tips and inspirational posts.

Rose’s relatable journey and motivational content can help your brand connect with followers who are on their own fitness journeys. Her practical advice and genuine engagement make her a trusted figure in the fitness community​​.

Erin Azar

@mrs.space.cadet

I forgot about these kind of important details after not running longer than 30 minutes the last year or so! I definitely notice the effects of the heat and humidity a lot more if I don’t have my fuel and hydration dialed in. What are you all using?! What should I try?? #runfuel #running #summerrunning

♬ original sound – Mrs. Space Cadet

Erin Azar, also known as Mrs. Space Cadet, is a self-proclaimed “struggle runner” who shares her running experiences and challenges. Her candid and humorous approach to fitness makes her content highly engaging.

Erin’s authentic storytelling and approachable style can help your brand connect with everyday fitness enthusiasts. Her content inspires followers to start and stick with their fitness goals, no matter their starting point​.

The Fitness Marshall

Caleb Marshall, known as The Fitness Marshall, is famous for his dance-based workout routines that are both fun and effective. His infectious energy and inclusive approach have earned him a loyal following.

Caleb’s dance workouts appeal to a wide audience, including those who might find traditional workouts intimidating. Partnering with him can help your brand reach a diverse and engaged audience looking for enjoyable ways to stay fit​.

Lean Beef Patty

@leanbeefpatty This is normal. I also often have cellulite just standing doing nothing. Also normal. #gym #fitness #legday ♬ som original – 𝗞𝗬𝗥𝗜𝗢𝗫𝗦𝗬

Caleb Marshall, known as The Fitness Marshall, is famous for his dance-based workout routines that are both fun and effective. His infectious energy and inclusive approach have earned him a loyal following.

Caleb’s dance workouts appeal to a wide audience, including those who might find traditional workouts intimidating. Partnering with him can help your brand reach a diverse and engaged audience looking for enjoyable ways to stay fit​.

Marlene Flowers

@65_strong Granny's bodybuilding grandchildren #fittok #gymtok #fitness #gym #granny ♬ original sound – Granny Guns

Known as “Granny Guns” on TikTok, Marlene Flowers began bodybuilding when she was 58. Over a decade and two million TikTok followers later, Marlene inspires people of all ages to start their fitness journey. 

McKayla Anisa

@makaylaanisa now I and everyone else in the gym know what 175lbs barrelling down the treadmill sounds like 💀 #sprint #gymhumor #fypシ゚ ♬ original sound – bigkaeee

McKayla shares videos of her gym workouts with almost three million TikTok followers. She focuses on glute workouts and building muscle with consistent, healthy routines.

Tom Trotter

@tomtrottercoaching Almost 70, healthier, happier than ever 🥹 Watching her thrive, stay active, and live her best life has been the biggest blessing. It’s a reminder that we’re not just adding years to life…we’re adding quality, energy, and memories to every moment we share 💫 Every day she moves, every healthy choice she makes, gives us: ❤️ More time together ❤️ More birthdays, more laughs, more moments that matter. 💪 More energy & confidence 🚀 She’s not just existing; she’s thriving. 😄 A happier, more fulfilled life 😃 Movement is medicine for the body & soul… 👩‍👧 A role model for us all 🧡 Proof that it’s never too late to start 💪🏼 Reality is? Your future isn’t set in stone it’s shaped by the choices you make today. One decision can change everything ⭐️ Want this program⁉️Perhaps you want to start but don’t know how⁉️ 🔗 Head to the Link 🔗 In my bio to join me ❤️ #foryou #foryoupage #motivation #mum #running #runningmotivation ♬ Ordinary Feb 14 – alexwarrenupdates

Tom Trotter is an online fitness coach who shares motivational fitness content. In many videos, he cheers on and works out with his mother, showing that there’s no age limit for fitness. 

He’s known for sharing running videos and his experiences working out while recovering from an injury.

Javeno McLean

@javeno7 #omg ! She is just so awesome! Lianne has a prosthetic leg! Whilst doing burpees she said “I could smash this if I didn’t have my leg on”….so she took it off and look what she did #f#fitnessindustry#c#cancers#strokesurvivorv#viralf#fyp#exerciseismedicinel#loveg#gymtokf#foryoupaget#trendingf#fyf#fitnessinfluencert#tiktokindia ♬ original sound – Javeno mclean

British fitness coach and gym owner Javeno McLean specializes in training older adults and people with limited mobility.  

Javeno advocates for inclusive gyms so everyone can exercise in a supportive, non-judgmental environment. His content often features his clients overcoming physical and emotional barriers while highlighting their progress.

Best practices for working with top fitness influencers

Before you start working with top fitness influencers, there are a few things you should be aware of. Let’s get into some best practices so you can get the most out of your efforts. 

1. Find the perfect fit. 

Finding the right fitness influencer is like choosing a workout buddy. You want someone who shares your goals, values, and enthusiasm. Look for influencers whose audience aligns with your target market and who genuinely believe in your products. Authenticity resonates, and it’s a win-win when the influencer is as excited about your brand as you are!

2. Build genuine relationships.

Don’t just slide into their DMs with a generic pitch. Take the time to engage with their content, comment on their posts, and show that you’re genuinely interested in what they do. When you reach out, personalize your message and let them know why you think they’d be a great fit for your brand. Building a genuine relationship from the get-go sets the tone for a successful collaboration.

3. Invest in your partnerships.

It’s becoming far less likely for creators to accept free products in exchange for content. Influencer marketing has proven to be a highly effective strategy and creator rates are beginning to reflect that. Allocate a reasonable budget to compensate them fairly for their work. Remember, a well-compensated influencer is more likely to be enthusiastic, dedicated, and produce high-quality content that will benefit your brand in the long run.

4. Offer value, not just cash.

While monetary compensation is important, offering additional value can make your partnership stand out. Provide exclusive access to new products, invite them to events, or feature them in your marketing campaigns. Remember, it’s about creating a partnership where both parties feel valued and appreciated.

5. Be clear about expectations.

Fitness influencers are busy people, so clear communication is key. Outline your goals, deliverables, timelines, and any other specifics upfront. This ensures that everyone is on the same page and helps avoid any misunderstandings down the line. Transparency builds trust, and trust is the foundation of a great working relationship.

6. Encourage creativity.

You chose this influencer for their unique voice and style, so let them shine! Provide guidelines, but give them the creative freedom to present your brand in a way that feels authentic to their audience. Influencers know what resonates best with their followers, and their creativity can lead to more engaging and effective content.

6 fitness influencers

7. Leverage multiple channels.

Fitness influencers often have a strong presence across various platforms—Instagram, YouTube, TikTok, blogs, and more. Encourage them to share your content across multiple channels to maximize reach and engagement. Each platform offers different ways to connect with audiences, so diversify your approach for the best results.

8. Activate creators throughout the buyer journey. 

Ensure influencers support your brand at every stage of the buyer journey. Consistent endorsements build trust and guide consumers from awareness to purchase and beyond. This approach enhances engagement, fosters loyalty, and maximizes ROI by keeping your brand top-of-mind and nurturing customer relationships through comprehensive and authentic content.

9. Monitor and measure.

Track campaign performance through metrics like engagement rates, follower growth, website traffic, and sales. Use this data to understand what’s working and what’s not. It’s all about continuous improvement, so use these insights to refine your strategy and optimize future collaborations.

10. Show appreciation.

A little appreciation goes a long way. Recognize and thank your influencers publicly and privately for their hard work and contribution. This could be through shoutouts on your social media, a personalized thank-you note, or even a small gift. Building a positive and appreciative relationship can lead to long-term partnerships.

 11. Stay compliant.

Make sure your campaigns comply with advertising regulations and disclose partnerships transparently. Influencers should use appropriate hashtags like #ad or #sponsored to ensure compliance and maintain trust with their audience. Staying compliant protects both your brand and the influencer.

Key takeaway: Leverage fitness influencers to give your brand the boost it needs. 

Ready to make some serious gains on your next campaign? Look no further than fitness influencers. With these best practices and examples of creators to model your roster after, you should have everything you need to build a solid foundation with these all-star marketing gurus.

Frequently Asked Questions

Kayla Itsines is perhaps the most popular fitness influencer right now, with nearly 16 million followers on Instagram alone. 

The income of fitness influencers can vary widely based on their follower count, engagement rates, and types of collaborations. On average, fitness influencers can earn anywhere from $50,000 to $150,000 per year, but top influencers with millions of followers can make significantly more, often exceeding $500,000 annually through sponsorships, affiliate marketing, and product sales​.

Thibaud Delapart is one of the biggest male fitness influencers right now, with nearly 10 million followers on Instagram. 

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Written by GRIN Contributor

GRIN is the pioneer behind the world’s first Creator Management platform built to support every brand’s journey to connecting with consumers through authentic creator relationships. Thousands of the world’s fastest-growing brands—including SKIMS, Warby Parker, Allbirds, Mejuri, and MVMT—use GRIN to make creators feel like trusted, empowered partners and work with them to build their brands into household names.

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