Robin Brigman has a big motivation for running 55 kilometers in Saturday’s Wolfson Children’s Challenge, and that reason is taking part in a 1-mile fun run the same day. As the Jacksonville mother runs through downtown and EverBank Field with other ultra-marathoners and more than 100 teams, her thoughts will go back to when her now 8-year-old son was a toddler in the Southbank hospital being treated for a bone infection. Young Caleb Brigman doesn't remember the doctors and nurses who helped treat his osteomyelitis over 11 days, but he's ready to tackle the fun run for them. read more