The pace you can run at lactate threshold is one of the most important factors in successful long-distance race performance. It’s the hardest pace you can hold for about an hour, or the fastest you ...

No matter your goal for race day, we have you covered with these training programs and all the tips you need for success.

If you have mastered the 5k and 10k distances – and enjoyed the process of doing so – your natural next step might be tackling the half marathon (exciting!). However, while the distance (21.1k) is ...

This free training app has a lot of strengths, but it will not prepare you for a full marathon.

Runna wants to bolster its appeal against AI workouts in a new science-led partnership with the University of Loughborough.

Iowa Army National Guard soldiers participate in the sprint-drag-carry event during an Army Fitness Test at Camp Dodge Joint Maneuver Training Center in Johnston, Iowa, Sept. 12, 2025. (Sgt. Ruth ...

The minimum-distance answer, then, isn’t simply that you should be able to run six to eight miles straight. The goal is to ...

Everyday athletes are turning to A.I. chatbots for training advice. How well does it work? By Chris Cohen Two months ago, I uploaded more than a decade’s worth of running data into the A.I. chatbot ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Training platform Runna has announced new features intended to let runners better adapt to ...

As a longtime Apple Watch wearer and runner, I thought I knew everything there was to know about the watch’s running features. Turns out, there was still plenty I hadn’t explored, and a few of those ...