Bldg 31 C, B4 C18


Bldg. 31 Fitness Center

9000 Wisconsin Ave
Bethesda, MD 20892
(301) 496-8746
Hours of Operation
Monday-Friday: 5:15 am – 8:45 pm
(must be in by 8:00 pm)
Saturday: 9:00 am – 2:00 pm
(must be in by 1:00 pm)
Closed all Federal Holidays

Gym area includes various machine weights for arm, leg, and ab exercises; Full dumbbell set and benchpress rack; Weighted medicine balls; Bosu balls; Matted stretching area; Treadmills, elliptical machines, and exercise bikes.

This facility also includes a matted fitness classroom for martial arts and group exercise classes.

Restrooms and showers are open for gym users and class participants. Lockers are available to rent.

31 Fitness Map