Preregistration is open for the 17th annual Dudley Pond Fun Run at Mansion Beach . The event takes place from 10:30 a.m. to 3 p.m. on Sept. 22. Activities include a fitness walk, kids race, 5K run and 2-mile walk. Proceeds are used to protect the quality of Dudley Pond as a resource for the entire community. Register online at www.dudleypond.org.