Next time you need motivation to hit the treadmill or go for a run, think about Keelan Glass.

Keelan, 6, recently became the youngest person ever to complete a half-marathon. Along with her mother, Tracy, Keelan ran the Showdown Half in Dallas in a time of 2:46.31. The Glasses ran the 13.1 miles for charity, and to date they've raised nearly $3,000 for a pro-life group, the Pregnancy Resources of Abilene.

“Announcing my name when I finished, and all the money that I raised,” was the best part, Keelan told the Dallas Morning News. “It’s fun because I can do it for other people.”

Tracy says that Keelan served as an inspiration for other runners.

“I love the fact that she does it for a bigger reason,” Tracy said. “It's fun for her and it's about running but she wanted to use her skills for something different and people saw that. They were asking her about her shirt and the announcer told her whole story. I don’t think she realizes what a big impact she has on people.”

Tracy and Keelan stopped frequently during the race, and Tracy made sure to run at Keelan's pace. Keelan's parents say they consulted with an orthopedist before letting Keelan run, but a Dallas pediatrician and endurance athlete told Debbie Fetterman of the Morning-News that there could be negative long-term effects on Keelan's bones due to all the training.

“I think they’re asking for trouble,” William Moore said. “There’s a lot of potential for bad things and not a lot of potential for exceptionally good things to happen.”

Keelan, however, says she's not done just yet.

“When I’m 10," she said. "I’m going to try to do a 26-mile race."