Kids can be part of the Rock ‘n’ Roll San Antonio Marathon & 1/2 Marathon race weekend excitement by participating in the ING KiDS ROCK San Antonio Powered by San Antonio Sports. ING KiDS ROCK, is a non-timed, non-competitive event for children in grades K – 7. Kids can become marathon finishers on race day by completing a cumulative marathon training program in the weeks leading up to the race. Or, they can simply choose to run the 1-mile course on race day. Kids can be part of the Rock ‘n’ Roll San Antonio Marathon & 1/2 Marathon race weekend excitement by participating in the ING KiDS ROCK San Antonio Powered by San Antonio Sports. ING KiDS ROCK, is a non-timed, non-competitive event for children in grades K – 7. Kids can become marathon finishers on race day by completing a cumulative marathon training program in the weeks leading up to the race. Or, they can simply choose to run the 1-mile course on race day.