MAY Run to the Shrine — To benefit Cheyenne Mountain Zoo, 5-8 p.m. Sunday, Cheyenne Mountain Zoo, 4250 Cheyenne Mountain Zoo Road. Registration: cmzoo.org/run . Horticultural Arts Society Gigantic Plant Sale — 9 a.m.-5 p.m. Friday, 9 a.m.-4 p.m. Saturday, Horticultural Art Society, 222 Mesa Road; hasgardens.org/plant sale . Checkered Flag Charity Car Show — To benefit Colorado Springs Kiwanis Foundation, 10 a.m.-2 p.m. Saturday, Metcalfe Park, 704 E. Ohio Ave., Fountain. Register car by emailing [email protected] . 2026 May Faire — To benefit school’s eighth-grade field trip, 11 a.m.-2 p.m. Saturday, Mountain Song Community School, 2904 W. Kiowa St.; mountainsongschool.org/festivals . Colorado Challenge Series — To benefit Veterans to Veterans and the Mt. Carmel Veterans Service Center, Saturday-Oct. 3. Go online for list of runs and registration:  coloradochallengeseries.com . Sports Corp. Golf Tournament — 7 a.m. May 18, Country Club of Colorado at Cheyenne Mountain Resort, 125 Clubhouse Drive.…