Run thru rural Sonoma farm country. $65.15–$104.56. $10 off for youth younger than 18. Half marathon: 7:30 a.m. 10K: 7:35 a.m., 5K: 7:45 a.m. Start/finish line, located on Kentucky St. between ‘B’ St. & Western Ave., Petaluma. clocowhalf.com.