Hyoung Chang, The Denver Post
Athletes start their swim of 2019 IRONMAN 70.3 Boulder Triathlon at Boulder Reservoir on Saturday. Aug. 3, 2019. 
Getting your player ready...
Athletes finished 1.2 miles swim, 56 miles bike and 13.1 miles run as part of the 2019 IRONMAN 70.3 Boulder Triathlon at Boulder Reservoir on Saturday, August 3, 2019.
More than 2,800 registered participants are traveled from 47 states and 31 countries.
The race awarded a total of 40 age-group qualifying slots for the 2019 IRONMAN 70.3 World Championship which will take place in Nice, France.
