Clockwise from right: Mufaddal Diwan (r) waits for the start of a trike-a-thon with her classmates at Sand Hills Preschool of Community Presbyterian Church in Kendall Park on Friday to raise money for the St. Jude Children’s Research Hospital. Vincent Jairdullo (c) participates in the trike-athon with his classmates. Alexa Kastanis (r) and Hannah Stump (l) ride along. Stellan Palanacki is ready for the challenge. 
