The Newton YMCA’s popular boot camp and rookie boot camp will begin the week of Feb. 13.

The six week session begins Feb. 13 and continues through the week of March 16. Each class combines intervals of cardio drills and muscle conditioning exercised to provide the ultimate circuit workout. Classes are open to individuals in ninth grade and older. Rookie boot camp is from 5:30-6:15 p.m. Monday and Wednesday and boot camp is offered 5:15 to 6:15 a.m. Monday, Wednesday and Friday or on Tuesday and Thursday from 5:45-6:30 a.m. and 6:30-7:30 p.m. To register visit the YMCA at 1701 S. Eighth Ave. E. or online at www.newtonymca.org.