The Niles Buchanan YMCA will be offering fitness classes at the Riverfront Park Amphitheatre throughout the summer. All classes are free and open to the public.

Below is schedule:

• 10 a.m. Mondays — Zumba combines Latin and international music with a fun and effective workout system.

• 7 p.m. Wednesdays —Zumba

• 9:30 a.m. Fridays — Pilates is an accessible way to build strength in the core muscles for better posture, balance and flexibility. Bring a mat and towel.