The Sierra Lutheran High School cross country team competed at the Pacific Tigers Invitational in Stockton, Calif., last weekend.In the varsity 5K races, Erin Henry was 10th among girls with a time of 20:03 and Donovan Harrison was 19th among the boys with a time of 15:53.The JV races were two miles long.Abby Williams finished 18th wiith a time of 14:34 and Alesha Martinez was 20th with a time of 14:35. Jacb Medlock was 98th for the boys with a time of 15:11 and John Krause was 102nd with a time of 16:14.In the frosh/soph races, Rebecca Churchill was 46th …