Research shows exercising with friend can lead to better health

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  Published in Health and Fitness on Wednesday, October 29th 2025 at 0:35 GMT by KOAT Albuquerque

Exercising With a Friend Can Boost Strength and Endurance, New Study Reveals

A recent investigation into the social dynamics of fitness has shown that working out alongside a companion not only makes the experience more enjoyable but also leads to measurable improvements in physical performance. The research, published by a team at the University of North Carolina and detailed in a 12‑week randomized controlled trial, highlights how accountability, motivation, and the simple presence of a fellow exerciser can elevate results.

Study Design and Key Findings

The study recruited 100 healthy adults aged 18‑45, randomly assigning half to a “partner” group and the other half to a “solo” control group. All participants followed the same progressive resistance‑training program, performing bench press, squat, and deadlift exercises three times per week. Both groups received identical training schedules, nutrition guidelines, and coaching, ensuring that the only variable was the presence of a workout buddy.

At the end of the 12 weeks, researchers measured strength gains using one‑repetition maximum (1RM) tests for the bench press and squat, and endurance using a timed plank and a 1‑mile run. The partner group outperformed the solo group across the board:

• Bench Press: Partner group improved by 12% versus 6% in the solo group.
• Squat: Partner group improved by 8% versus 3% in the solo group.
• Endurance: Partner group ran the mile 6% faster and held a plank 20% longer than solo participants.

In addition to higher performance metrics, the partner group reported higher adherence to the training regimen (90% attendance vs. 73% for solos) and lower perceived exertion during sessions. Dr. Melissa K. Smith, lead author, emphasized that “the social environment appears to amplify physiological responses, perhaps through increased motivation and effort.”[^1]

[^1]: Journal of Applied Physiology, Vol. 128, 2023, pp. 1125‑1135.

Mechanisms Behind the Boost

Experts suggest several mechanisms that could explain the observed performance gains:

1. Social Facilitation – The presence of a peer can elevate arousal levels, leading to greater effort and intensity during exercises.
2. Accountability – Knowing that someone else is expecting you to show up can reduce the likelihood of skipping workouts.
3. Positive Competition – Friendly rivalry can encourage participants to push beyond their comfort zone.
4. Emotional Support – Sharing successes and setbacks helps sustain motivation, particularly during challenging training phases.

Broader Context: Other Research Supports the Trend

The findings align with earlier work linking social support to improved exercise outcomes. A meta‑analysis published in Psychology of Sport and Exercise found that group training programs increased adherence by 30% compared to individual training.^[2] Similarly, a 2019 review in Medicine & Science in Sports & Exercise highlighted that co‑working partners reported higher self‑efficacy and enjoyment during sessions.

Moreover, research from the American College of Sports Medicine indicates that exercising with a partner may reduce perceived exertion by up to 15%, allowing athletes to maintain higher intensities without feeling overly fatigued. This could explain the endurance gains noted in the UNC study.

Practical Tips for Finding and Maintaining a Workout Buddy

• Identify Common Goals – Whether you’re aiming for weight loss, strength, or overall health, shared objectives create a strong foundation.
• Schedule Regular Sessions – Consistency is key. Plan specific times and stick to them.
• Set Mutual Accountability – Agree on metrics like attendance, goal tracking, or even a reward system for milestones.
• Embrace Friendly Competition – Compare progress in a supportive way; celebrate each other’s wins.
• Choose Complementary Levels – Partners with similar fitness levels tend to push each other more effectively, while those with varying skill sets can offer learning opportunities.

Healthline’s guide on “Fitness Partners” (https://www.healthline.com/nutrition/fitness-partner) further elaborates on these points, suggesting that a good partner can improve workout adherence by up to 70% and increase motivation.

Caveats and Considerations

While the data are compelling, the study sample was relatively homogenous, consisting mainly of young, healthy adults. Further research is needed to determine whether the same benefits apply to older populations, individuals with chronic conditions, or those engaging in high‑intensity interval training (HIIT). Additionally, for some people, the social pressure of a partner might induce anxiety or unhealthy comparisons. It is therefore essential to choose a partner who fosters positivity and mutual encouragement.

The Bottom Line

The University of North Carolina study adds robust evidence to the long‑standing belief that exercise is better when shared. Whether you’re a seasoned athlete or a newcomer to the gym, pairing up with a friend can help you lift heavier, run faster, and stick to your routine with greater confidence. If you’re looking to maximize your workout results, consider recruiting a buddy—your muscles, heart, and motivation might thank you.