The Ashland Half-Marathon and 5K Run and Walk will be held next Sunday at 10:30 a.m., beginning and ending at Marathon Park on Pleasant Street. Registration for the 5K costs $25 in advance and $30 the weekend of the race; for the half-marathon, the fees are $50 beforehand and $55 on race day. Race organizers are also seeking volunteers to direct runners along the course, work at water stations, and perform other miscellaneous duties. To volunteer, e-mail firstname.lastname@example.org or call 508-561-7185. For more information or to register, visit www.ashlandhalfmarathon.com .