ScottBall_rocknroll_marathon_run_running_humana_rnr_12-3-2017-8

Rock 'n' Roll Marathon participants compete in long distance running through San Antonio, Texas.

Rock ‘n’ Roll Marathon participants compete in downtown San Antonio. Credit: Scott Ball / San Antonio Report

Rock ‘n’ Roll Marathon participants compete in long distance running through San Antonio, TRock ‘n’ Roll Marathon participants compete in long distance running through San Antonio, Texas. exas.