Ben’s Run Registration is open for the annual 5K run and one-mile run/walk in memory of Ben Goldfogle. Proceeds from the April 20 event will benefit the Center for Cancer and Blood Disorders at Children’s National Medical Center. Stonegate Elementary School, 14811 Notley Rd., Silver Spring. $25.

Kenwood cherry blossoms and spring flowers walk A self-guided 10K and 5K option can be walked daily along the Capital Crescent Trail, through a Kenwood neighborhood and on city streets. Map available at Starbucks at the Shops at Sumner Place, 4611 Sangamore Rd., Bethesda. 301-946-5496.

Red Cross blood drives Thursday, 2-8 p.m. Seneca Creek Community Church, 13 Firstfield Rd., Gaithersburg; Friday, 10 a.m.-4 p.m. MSCI, 702 King Farm Blvd., Rockville; Monday, 9 a.m.-3 p.m. Apex Companies, 15850 Crabbs Branch Way, Derwood. 800-733-2767. Walk-ins welcome.

Water aerobics Core-strength exercises led by Anne LeVeque. Friday at 7 a.m.; Monday and Wednesday at 7 p.m. Piney Branch Elementary School, 7510 Maple Ave., Takoma Park. 301-891-8000. Seven-class pass $54.25, drop-in rate $8.

Line-dancing classes For fun and fitness, Saturdays and Mondays at 10:30 a.m. Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.

Nursing home Medicaid talk, A presentation by staff from the Montgomery County Department of Health and Human Services on the differences between Medicaid and Medicare, with a question-and-answer session. Monday at 2 p.m. Aspen Hill Library, 4407 Aspen Hill Rd., Rockville. 240-773-9410; Tuesday at 4 p.m. Twinbrook Library, 202 Meadow Hall Dr., Rockville. 240-777-0240.

Adventist HealthCare Walking Club Tuesday at 8 a.m. Westfield Montgomery Shopping Mall, 7101 Democracy Blvd., Bethesda. 301-469-6000.

Cancer support group For anyone with cancer and their friends, family and caregivers. Tuesday at 3 p.m. MedStar Montgomery Medical Center, 18101 Prince Philip Dr., Olney. 301-570-8693. Free. Registration required.

— Compiled by Lisa M. Bolton

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