Ask 101-year-old Eileen Spraggs why she wants to take part in a cycling challenge for a month and the answer is simple.
"Hearing about the poor kids that suffer from the terrible disease (cancer)," said the lifelong Narrabri resident.
In Mrs Spraggs' bid to do her bit for the cause of cancer research, she is joining thousands of others throughout the nation in the Great Cycle Challenge for October, to raise funds for the Children's Medical Research Institute.
Unsurprisingly, Mrs Spraggs is officially the oldest person to have ever taken part. And she has close company - the second-oldest is her brother Ron Holliday, 98.
The pair are two-thirds of "Eileen's Team" and are proof of the age-old adage that you're never too old to learn something new.
Their teammate concedes them close to 90 years.
Neeve Mor, 11, has formed a great fundraising combination with the siblings and the trio are making every post a winner even with the challenge in its infancy.
Between them they hope to ride 175km in the month.