It looks like runners were sprinting to sign up for the Philadelphia Marathon and Dietz & Watson Philadelphia Half Marathon because both races have officially sold out.

If you're looking for a supportive environment, flat course, and scenic views, sign up for one of these top options.

One man went from hating to run to winning a Guinness World Record for most consecutive days to run a half marathon, while on a treadmill.

College athlete Toby Atwood died after collapsing during the Presque Isle Half Marathon in Erie, PA. She was a 4.0 university student and tennis team leader.

A Kittanning woman died while running a half-marathon in Erie over the weekend.

A North Texas fitness coach has run over 126 consecutive half marathons on a treadmill at a North Texas LA Fitness.

The Fit From Within running club offers an outlet for people incarcerated at the Utah State Correctional Facility.

Brock Purdy purchases Nashville home, begins training with San Francisco 49ers teammate and neighbor George Kittle.

A man who took up jogging while recovering from a hernia has shattered a world record by running 465 half-marathons in just one year.

Personal trainer Edward Molineaux broke a world record by running 465 half-marathons in one year, covering 6,000 miles after taking up jogging to recover from a hernia.

Personal trainer Edward Molineaux broke a world record by running 465 half-marathons in one year, covering 6,000 miles after taking up jogging to recover from a hernia.