The five-mile Kennewick segment will start at 9:40 a.m. at the Rite Aid on Highway 395 and Kennewick Avenue and proceed on Clearwater Avenue to Columbia Center Boulevard. It will end at Target.
The six-mile Richland segment will begin at 1 p.m. with a brief ceremony in John Dam Plaza. It will proceed north on George Washington Way to the 300 Area gate of the Hanford nuclear reservation.
The walk is open to the public. A support vehicle will provide rides for those who need a lift midwalk.