The 44-year-old started running at 3:46 a.m.—and averaged 7:40 pace for almost 13 hours in front of spectators at the Boston ...

Utah’s Ashley Paulson added yet another wild record to her resume on Saturday, running 12:47:10 for 100 miles on a treadmill ...

Check out the funny moment a woman falls over on a treadmill and gets trapped at the bottom. Anna Donaldson, 35, was running on her treadmill when she stepped back on the machine to make a video.

Archie, a 3-year-old cat from New York City, has millions watching — and laughing — as he confidently runs on a treadmill, proving he might have more workout motivation than most humans. His owner, ...