Grape stomp, wine tasting, foot race, food vendors, & kids zone. Fun Run 5K registration: 8 a.m. Race starts: 9:30 a.m. $43.40. Ages 12 & under: $11.60. Grape Stomp: 10 a.m.–4 p.m. ($125 for team of 2). Sonoma Plaza. 453 First St., E., Sonoma. Tickets: tinyurl.com/5fwvrt5h.