Kristin Johnson goes through her early morning running drills around her neighborhood in Northwest San Antonio, Tuesday, April 9, 2019. Johnson's journey to qualifying for the 2019 Boston Marathon included running the Louisiana Marathon, while 10 weeks pregnant with her first child. She missed qualifying for the Boston Marathon by 175 seconds. Seventeen months later she ran the San Antonio Rock 'n' Roll Marathon qualifying for the Boston Marathon with a time of 3 hours and 29 minutes. She continued training through her 38th week of pregnancy and resumed training for the upcoming marathon six weeks after her son was born on Oct. 13, 2018.