The Shrewsbury American Youth Football and Cheer Organization is holding a season kickoff 5-kilometer run, punt competition, and tailgate party on Saturday at Dean Park. The race begins at 8 a.m. and registration, from $28 to $75, is available for individual runners and families. An awards ceremony will be held at 9:30 a.m. A free punt, pass, and kick competition will be held from 10:30 a.m. to 2 p.m., with awards given afterward. A free tailgate party follows from 3:30 to 7 p.m. The event benefits the organization and Shrewsbury Youth & Family Services. Race registration is available on the organization’s website, www.sayfco.org, or on race day from 7 to 7:45 a.m. Full story for BostonGlobe.com subscribers.