SENIORS LOW-IMPACT AEROBICS, includes strength training class. 9 a.m. today, Tuesday and Jan. 29, Aurora Hills Senior Center, 735 S. 18th St., Arlington. 16 sessions, $56; registration required. 703-228-5722.
CHILDREN IN SPECIAL EDUCATION, support group for parents who have children of all ages with special needs. Infants and toddlers are welcome. 10 a.m.-noon, Jefferson-Houston Elementary School, 1501 Cameron St., Alexandria. Free. 703-706-4552.
SENIORS PICKLEBALL, for beginners. 12:30-3 p.m., Walter Reed Senior Center, 2909 S. 16th St., Arlington. Free. 703-228-0955.
DROP-IN SEATED EXERCISE, for seniors. 9 a.m., Madison Community Center, 3829 N. Stafford St., Arlington. $3.50. 703-228-4745.
FAST FORWARDS WALKING GROUP, for seniors, fast-paced walk in the neighborhood. 9 a.m., Aurora Hills Senior Center, 735 S. 18th St., Arlington. Free. 703-228-5722.
LEE WALKERS, seniors group. Travel by van to the District for a walk along the C&O Canal River Trail. 10 a.m., Lee Senior Center, 5722 Lee Hwy., Arlington. $2.50; registration required. 703-228-0555.
SENIORS STROKE PROGRAM, about its prevention. 11 a.m., Culpepper Garden Senior Center, 4435 N. Pershing Dr., Arlington. Free. 703-228-4403.
ICE SKATING FOR SENIORS, lessons available. 8-9:15 a.m., Kettler Capitals Iceplex, Ballston Common Mall, 4238 Wilson Blvd., Arlington. $1, includes skate rental. 703-228-4745.
DROP-IN SEATED EXERCISE CLASS, for seniors. 9 a.m. Monday, Wednesday and Jan. 30, Madison Community Center, 3829 N. Stafford St., Arlington. $3.50. 703-228-0555.
WALTER REED WALKERS, weekly program. Travel by van to the District for a walk at Constitution Gardens. Walter Reed Senior Center, 2909 S. 16th St., Arlington. $2.50; registration required. 703-228-0955.
SENIORS BRAIN AEROBICS, led by a senior adult specialist. 10:30 a.m., Walter Reed Senior Center, 2909 S. 16th St., Arlington. Free. 703-228-0955.
LANGSTON-BROWN WALKERS, a walk around the center. 9:30 a.m., Langston-Brown Senior Center, 2121 N. Culpeper St., Arlington. 703-228-5321.