Deciding what to focus on most when you are training towards a hoped-for landmark marathon performance can be a tricky business. Just ask Eliud Kipchoge, the fastest man over 26.2 miles on the planet.

At 77, she’s run 137 marathons and keeps smashing records. These are the age-defying training secrets she swears by.

From 5K to 10K to half-marathon to marathon, it seems like runners are always chasing that next big feat. For some, that might be running a race in all 50 states or on every continent. For others, it ...

After 18 months of planning, the Marathon Project is set to make its return to the Valley on Dec. 21 at Wild Horse Pass Resort in Chandler, with a two-time Olympian among the headliners. The race, ...

John Newsam, a former Bird Rock Community Council president, ran a half marathon in every state in the span of two years ...