The 15th annual Paws & Claws 5K presented by VCA Animal Hospitals, a fundraising run/walk for Baypath Humane Society, will be held Sunday, Oct. 20, at 10:30 a.m. at Hopkinton State Park. Participants can register as an individual or as part of a team. For more information — including about sponsorship options — and to register, visit baypathhumane.org.