Participation will last approximately 4-6 months. Participants will be encouraged to attend Pickleball sessions at the YMCA at least twice a week. Each session will last 2 hours, and participants will be encouraged to attend at least one hour. Participants will receive a Fitbit to wear continuously 24/7 over 4-6 months to track steps and activity intensity. Participants will also be asked to wear an electronic device (accelerometer) over their right hip during specific time points throughout the study to better understand how pickleball participation contributes to physical activity levels.

Participation will last approximately 4-6 months. Participants will be encouraged to attend Pickleball sessions at the YMCA at least twice a week. Each session will last 2 hours, and participants will be encouraged to attend at least one hour. Participants will receive a Fitbit to wear continuously 24/7 over 4-6 months to track steps and activity intensity. Participants will also be asked to wear an electronic device (accelerometer) over their right hip during specific time points throughout the study to better understand how pickleball participation contributes to physical activity levels.

Participants will be encouraged to attend ≥2 pickleball sessions per week, with the YMCA offering 5 sessions per week. Sessions will last 2 hours, with participants encouraged to attend ≥1 hour. New players will receive instruction from a YMCA exercise trainer with a USA Pickleball Association Instructor Certification during sessions. At the end of each session, the YMCA trainer will note on attendance sheets whether participants engaged in training/skill development, open play, or both. Participants will be encouraged to engage in 5-10 minutes of structured warm-up exercise (i.e., walking laps around the courts and dynamic and static muscle stretches) prior to playing in each session, and they will be encouraged to perform cool-down stretches after they complete each session.

The study will be deemed feasible if ≥ 50% of eligible participants are enrolled

The study will be deemed feasible if ≥ 75% of participants who complete baseline measures also complete follow up measures

The study will be deemed feasible if participants attend ≥ 75% of recommended sessions on average.

Participants evaluation of feasibility and acceptability will be assessed with a questionnaire, adapted to fit the intervention. The questionnaire includes both Likert Scale and open-ended questions. An item-by-item basis and as average item score, with scores ≥4 ("agree" to "strongly agree") indicating acceptability. Open-ended responses will be analyzed qualitatively to inform intervention improvement.