The National Kidney Foundation will hold a non-competitive three-mile walk for people of all ages May 18 at the Wrightsville Bridge over the Susquehanna River.

Walkers may start from either the parking lot of Wrightsville Elementary School at Third and Chestnut streets, Wrightsville, or at Second and Bridge streets in Columbia. Registration opens at noon, and the walk begins at 1 p.m. For details, call 292-1007 or register online at www.kidneywalk.org.