After college, Chris Costales drank beer, ate too much and saw his weight balloon; now he's a svelte triathlete and swim coach

Chris Costales has done Ironman triathlons, marathons and is a swim coach for the Triathlon Club of San Diego. But several years ago he had trouble walking up stairs. My story on him for the Active San Diego series in the Health section of the San Diego Union-Tribune; http://www.sandiegouniontribune.com/lifestyle/sd-he-active-costales-20180430-story.html