The BMW Dallas Marathon is just weeks away, and for one North Texas teen, crossing the finish line will mean far more than a personal record.
Seventeen-year-old Riley Morrison is preparing for her first marathon, something she once believed would never be possible. Less than two years ago, even walking could cause pain.
“If I walked for too long, it would start to ache on my right side, and my posture was so bad, I stood like this all the time,” she said…