Maggie Montoya stepped onto a track for a 5,000-meter race for the first time since March, hoping to qualify for that event in the U.S. Olympic trials and not quite knowing what to expect. The result was a personal best a couple of months after the worst day of her life.

On March 22, Montoya sheltered with other pharmacy employees in an office behind the pharmacy at King Soopers supermarket in Boulder, Colo., while a gunman opened fire, killing 10 people. On Sunday, she ran the 5,000 at the USA Track & Field Golden Games and Distance Open in Walnut, Calif., in 15 minutes 25.81 seconds. Read More