Accountability Beats Motivation in Delivering Fitness Results, Data Shows

Data from Purpose Brands’ 2026 Transformation Challenge shows people stick to their workout routines when someone pushes them to show up, moreso than when they’re self-motivated to get into better shape

One of the few universal truths is that it’s easy to sign up for a fitness membership. Actually making it to the boutique studio class at 6 a.m. or hitting the gym after a long workday is much harder.

Sticking with it day in and day out? It usually doesn’t happen because of sheer motivation, but because someone was expecting you to show up.

That’s according to Purpose Brands, parent company of brands including boutique fitness giant Orangetheory and Anytime Fitness, which says it has found a formula that turns sign-ups into show-ups and January goals into summer results.

The findings have emerged from the company’s 2026 Transformation Challenge, a six-to-eight-week program completed by roughly 125,000 participants this past winter across Orangetheory, Anytime Fitness, The Bar Method and Basecamp Fitness (since acquired by Extraordinary Brands).

The program, which Purpose Brands said combined coaching, accountability and body-composition tracking, arrives at a moment when data is king. Progress is no longer about hopping on a scale and liking the number below; it’s wearable metrics in the green, body composition scans as proof of change and VO2 max assessments and bloodwork confirming the hard work is paying off.

There is also the AI of it all, with algorithm-generated training plans and chatbot coaches promising personalization.

Yet when challenge participants ranked their most influential source of support, the winner was decidedly old school: a coach who noticed their presence or absence. 

To that end, accountability was a leading theme among Orangetheory participants, with more than 25% calling it the single biggest contributor to their results. Coaches of the fitness franchise were ranked as members’ top source of support, beating family members and friends. Additionally, more than 30% noted that they joined for the community aspect of boutique fitness.

And Orangetheory members are leaving classes with more than new friends. According to the challenge results, 78% of members dropped body fat, outpacing the 71% who lost overall weight. Among members who set their sights on strength, 53% gained muscle.

Over at Anytime Fitness, members targeting broader health improvements shaved an average of 1.5 years off their biological age, captured through Evolt body scans taken before and after the challenge. Two-thirds (67%) of members with a fat loss goal got there, cutting body fat percentage by an average of 7.9%, and 55% hit their muscle-gain targets.

Though criticism can run high for GLP-1 users, with the medications sometimes dismissed as the easy way out, Purpose Brands found that participants taking them were more likely to report setting health goals for 2026 than non-users, 73% versus 49%.

The most surprising finding, however, is that adults aged 60 and older came out on top with the highest completion rate of any age group at 47%, outperforming participants in their 20s, 30s and 40s. Notably, fitness programming for adults 65 and older was among the top trends identified in the American College of Sports Medicine’s (ACSM) 2026 Worldwide Fitness Trends forecast.

Beyond the gains and losses, it’s what kept people going that should catch operators’ attention. The findings demonstrate the value of an actual human coach.

“The most powerful form of accountability is knowing someone expects you to show up,” Orangetheory Fitness vice president of fitness Scott Brown said. “Whether it’s a coach tracking your progress, classmates on the tread next to you or a community working toward similar goals, those connections make consistency possible.”