As you read this, Margaret Payne, 90, is climbing the stairs in her Scottish home.
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However, she might be on her way down the stairs, in order to climb them again. Anyway, she's been doing it for a while. Since April.
Like most of us, Margaret hasn't been able to get out much.
Has she been whinging? Sitting on her backside at home? Complaining about the state of the world via social media?
No, she's tapped something much more interesting: her imagination.
Margaret had a dream: to re-climb the Scottish highland mountain Suilven.
The mountain is 731 metres high. She climbed it once as a teen in 1944.
She had another dream: to raise money for a hospice.
So, with walking stick in hand, she headed off up her steps in her home.
She's been setting a cracking pace and it appears that she is more than half way through her 282 climbs, which is equivalent to ascending the mighty Suilven.
So far, she's raised close to $A760,000.
Marathon Margaret and Captain Tom have a few decades headstart on me, but they have inspired this lockdown loafer to step up.
Of course, she has a few rests, mainly so she can read her mountain of mail. Besides the power bill, there are notes from her growing cheer squad, which includes all sorts of people, such as assorted royals.
Margaret told the BBC she was humbled that Charles and Camilla had written to her to say how much they admired her.
Margaret then revealed nonchalantly that her knees weren't the greatest and that they had both been replaced. It wasn't a problem though, as she had a walking stick.
Asked why she decided to do the epic climb, Marathon Margaret cited "Tom". The world knows Captain Thomas Moore, as Captain Tom, the war veteran who became a superstar on the eve of his 100th birthday by raising more than $60 million for the NHS with just his shuffling feet, a walking frame and, like Margaret, a wonderful imagination.
He imagined what he could do with what he had, and set about doing it.
Marathon Margaret and Captain Tom have a few decades headstart on me, but they have inspired this lockdown loafer to step up.
Finally fed up with grumbling to myself about being stuck inside at the computer, I ventured out this week. But my mountain was more a molehill. It was a walk around the neighbourhood block.
My trek wasn't gruelling by any means. There were no stairs, and I didn't need a walking stick or frame for assistance.
My knees are in their original condition, but work just fine.
When I made it safely home, there were no letters professing admiration, but I did pat myself on the back.
I also didn't raise anything, apart from my heart rate (slightly).
Then it was back to work. But not before I Googled "Inspiration to stay active during lockdown".
I was expecting to be bombarded with useless advice from bored celebrities or excruciating 'influencers'. But I immediately came across Rajinder Sing, aka 'The Skipping Sikh'.
Rajinder, like Captain Tom and Marathon Margaret, is no spring chicken. But the 73-year-old's quirky fitness workouts, which he does in his UK allotment, are an internet sensation.
No wonder. Rajinder is a machine.
He skips, he challenges his daughter to sprints, he exhibits amazing feats of strength with a watering can and sometimes his mower.
He also shows off a 'Punjabi-style handstand'. It's breathtaking.
Like the other veteran marvels, Rajinder is raising money for health services.
It seems that when the going gets tough, the oldies get going.
It seems also that I have finally found a few influencers worth emulating: Margaret, Tom and Rajinder, three classic movers and shakers.
(NOTE: Marathon Margaret aims to finish her epic climb at midday on Tuesday. By then, I hope to have completed at least another few laps around the block without falling over.)
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