She Started Running at 65 With No Experience. At 70, She Just Finished Her Tenth Marathon.

Most people slow down as they get older. Ruth Mallory of Portland, Oregon decided to do something different. At 65 — an age when most people are planning a quieter chapter — she put on running shoes for the first time in her life. She ran 200 meters and had to stop. Five years and ten marathons later, her story has been shared more than 14 million times online.

What Made Her Start

Ruth spent 34 years as an elementary school teacher and raised three children. Exercise was never a significant part of her life. At 64, her doctor told her she was pre-diabetic. Without major lifestyle changes, she was looking at a type 2 diabetes diagnosis within two years.

“I was angry more than scared,” Ruth said in an interview after her tenth race. “I thought — I’ve lived a reasonable life, and now this? I decided I was going to fight it. Not manage it. Fight it.”

She started by walking. Then walking faster. A few weeks in, she tried her first short jog. She ran 200 meters before she had to stop and catch her breath. She went back out the next day and did the same thing. She kept going.

Two Hundred Meters to 26.2 Miles

Ruth gave herself no deadline and no pressure. She went outside every day and tried to go a little farther than the day before. After a few months, she joined a local running club where she was the oldest member by at least two decades. The other runners treated her the same way they treated everyone else. That mattered to her.

Fourteen months after her first run, she finished a half marathon. Eight months after that, she crossed the finish line of her first full 26.2-mile marathon in 5 hours and 47 minutes. She was not competing with anyone but who she had been the year before.

“I passed people in their 30s who were walking,” she said. “I just kept going. I knew what stopping felt like. I’d been doing it for 64 years.”

What Her Doctor Found

Ruth’s pre-diabetic status is gone. Her blood sugar returned to normal range within 18 months of starting to run. Her resting heart rate dropped from 82 beats per minute to 58. Her doctor says she currently has the cardiovascular markers of someone 25 years younger.

“Ruth is one of the most remarkable patients I’ve worked with in 30 years. But what she shows is not a miracle — it is what the human body is capable of when given the right conditions, even later in life.”

— Dr. James Okafor, Ruth Mallory’s physician

What She Tells People Who Want to Start

Ruth is careful about how she talks to people who reach out after seeing her story. She does not want to become an inspiration poster. She wants to be genuinely useful. Here is what she says:

1. Start embarrassingly small. Her first run was 200 meters. Start at your actual current level, not an imagined one.
2. Show up more than you perform. She ran every day for three months without tracking speed or distance. Showing up was the entire job.
3. Find people doing the thing. The running club changed everything. Community sustains you when personal motivation runs dry.
4. Ignore your age completely. “Not in a motivational slogan way — in a biological, science-based way. Your body adapts at 65. Slower than at 25, but it adapts.”
5. Give it six weeks before you decide if it is working. The first weeks are the hardest. After six weeks, your body changes and so does your relationship with the activity.

Ruth is already planning her next race — a marathon in New Zealand next year. After ten, she says the idea of slowing down feels genuinely foreign.

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