Mavis Paterson, 80, from Auchenmalg, will ride around Stranraer in circuits from noon on Saturday for Macmillan Cancer Support.
And keeping her going on her epic fundraiser will be the thoughts of her two sons and daughter, all of whom tragically died in the space of four years.
Bravely sharing her story, she said: “My husband John, died in 1996 and I still miss him, but since my three children died, I haven’t been able to concentrate on anything at all. It’s been unimaginable grief and its grief that never dies. It’s awful.
“All my children were only in their 40s, that’s just way too young.
“I just feel so lost and I feel alone, though I do have grandchildren. I’m definitely not the same person I was before. I was full of laughter and fun before.”
Her son Sandy died first of a heart attack, the she lost Katie six months later to viral pneumonia.
Mavis said: “After Sandy and Katie had gone, Bob and I decided ‘we’ve only got each other now so let’s do something together for Macmillan’.
“We’d thought about doing this 24-hour cycle and we actually went out and trained this route.”
But after Bob was killed in an accident in 2016, she abandoned the plans, until recently.
“It’s taken me a long time to get to this point and I’ve got a lot of help and support,” said Mavis, who is determined to give it her all. “Everyone is helping, the whole of the Macmillan committee will be out on the road at different points giving their support. I really do feel so grateful to them for helping me because this is therapeutic for me.
“I have got this challenge, it’s in my mind all the time, I’m away to the gym and on my bike and it’s helping.”
She added: “We’re hoping lots of people will join us on our ten-mile cycle circuit and do it as many times as they want. I’m doing this for Macmillan but it’s also in memory of my three adult children, it’s for them.
“To lose a child is the worst thing imaginable on this earth, but some people have said to me ‘You know Mav, when I’m down and a bit depressed, I think of you.’ I guess if I’m helping someone feel a bit better and that things aren’t that bad, then that’s a good thing.”
It’s not the first epic cycle ride she has undertaken – in 2008 she biked 6000 miles around Canada for Macmillan, following the deaths of her younger sister and her mum to cancer.
Wishing her well, Macmillan’s Dumfries and Galloway fundraising manager Derek Watson said: “It’s fantastic to have volunteers as committed and inspiring as Mavis. We wish her the very best of luck on her cycle and we’ll be there to cheer her on.”
To sponsor her, go to www.justgiving.com/fundraising/mavis-paterson