It’s 3:30 a.m. in Fort Worth, and while most of the city is asleep, Sarah Elizabeth Segrest is already awake, pulling herself out of bed and into a world she’s carved out through sheer willpower. In the glow of fluorescent lights at the local gym, she’s in the pool by 4 a.m., pushing through laps like the day depends on it.
Because for her — it does.
“I was the last person out of the water,” she says, talking about her most recent triathlon. “I mean the very last woman. I just remember thinking, ‘Dang, I’m already behind.’”…