Carlos Sanchez began running marathons way back in 2008. At that time, he thought running one shouldn't be humanly possible. Little did he know he'd be towing the start line of the Boston Marathon with his own granddaughter one day. Mia Sanchez, the aforementioned granddaughter, has been running competitively for a while now, most recently at St. Edward's University in Austin. It had always been a dream to run a marathon with her grandfather, and in 2025, they did just that. On Carlos's 38th...