Rancho Santa Fe's Susan McRea teaches yoga, plays drums at 61

It’s not hard to center yourself when practicing yoga at the Birdwing Open Air Classroom along the San Dieguito Lagoon.

That’s where Rancho Santa Fe resident Susan McCrea teaches a monthly yoga class through the San Dieguito River Valley Conservancy, a nonprofit dedicated to sustaining the natural resources of the San Dieguito Watershed.

McCrea has practiced and taught yoga for decades.

She started doing yoga when she was 18 and studying dance and drama at UC San Diego.

“I couldn’t even touch my toes, so they were going to kick me out of the dance program,” McCrea recalled. “A lot of the girls were naturally flexible. I had no...