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 / Rivard 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.