Marlborough – Immaculate Conception School, 25 Washington Court, Marlborough, will hold its annual Creepy Crawl 5K Fun Run/Walk and Costume Contest Saturday, Oct. 17. Check-in begins at 8:30 a.m., followed by the costume contest at 9 a.m. and the race at 9:30 a.m. The cost is $25 for adults; $10 for children 14 and under. T-shirt included for 5K entrants. Register at www.ICSchool.net or contact Sandi Barrett at 508-481-3910 or [email protected].