"We don't know who's going to get this disease, it could be me, it could be them. That's why I continue to do this: I don't want them to have to care for me the way we cared for my husband," says Kathy Siggins, her husband had Alzheimer's.
Kathy Siggins and her family have walked in the fight to find a cure for Alzheimer's for the past 19 years.
"My mom's been walking since I was in her stomach," says Nicholas Willey, Kathy Siggins' grandson.
Kathy's lead her team to raise more than $65,000 for research after losing her husband, Gene, to the disease.
"He was a man of position. He was a director at the Postal Service," says Kathy.
Participants say they walk to raise awareness for Alzheimer's, but also for families and caregivers who suffer.
"It's a really, really hard disease, and reach out and get help, because there is help in the form of support groups, from your community, from your church. There's a lot of support out there, so get educated and reach out and get help," says Anann Ellis, Kathy Siggins' daughter.
Kathy continues to advocate alongside Congress to make Alzheimer's research a priority, like pushing a Bill to create an Alzheimer's postal stamp to raise money.
"Even though he's not here, all the things that I do I know that he's standing right there by me, and I think he's smiling down at me for doing this. I think he's proud of me," says Kathy.
Hundreds marched to remember those lost but smiled, believing their fundraising has brought the world one step closer to a cure.
If a loved one is suffering from Alzheimer's there are growing support groups. To find support in your area, you can start with this link.