How many members of her family is a teen?
 15-year-old daughter Kayla, a high school sophomore, for a race after realizing that the amount of running she did during her soccer games was the equivalent of a 5K. 

With the "positive peer pressure ... and the competitive spirit" that exists in the Wallace household, she said with a laugh, "of course, her brother and sister decided that that's something they wanted to do, too." 

Kimberly, 11, and Kevin Jr., 9,  