By Andrew Lawrence The record-setting Olympic track star is on a speedy quest to break down barriers and make up for lost time. Sports Illustrated and Empower Onyx are putting the spotlight on the diverse journeys of Black women across sports—from the veteran athletes, to up-and-coming stars, coaches, executives and more—in the series, Elle-evate: 100 Influential Black Women in Sports. The sky over Austin is a gloomy slate, but Gabby Thomas couldn’t be in a sunnier mood after thundering through an afternoon workout that would’ve had anyone else scraping themselves off the tarmac. “I’m really w…