The Augusta Walk to Cure Juvenile Diabetes will be held at Savannah Rapids Park, 3300 Evans-to-Locks Road in Martinez. Registration begins at 1:30 p.m. and the walk begins at 2:30 p.m.
The 5K walk is expected to have more than 11,000 participants, according to its Web site.
The Walk to End Alzheimers will be held at the Columbia County Amphitheater, 7022 Evans Town Center.
Registration begins at 3 p.m., and the walk begins at 4 p.m.
To pre-register, visit georgiawalk.org or call (800) 272-3900 or (706) 860-4599.