The first requirement of a run/walk fitness tracker is the ability to pre-program the intervals you want into your watch.

So I ditched the watch, locked my phone and looked for better options to help hit my goals. For the most part, my tracking needs could be met with pen and paper and a simple interval timer, which ...

Countdown Interval Timer has an easy to use interface and a free trial version. The full version of Countdown Interval Timer is budget friendly, priced at $0.99.

Bit Timer isn’t as robust as Runkeeper, and that’s entirely its marketing approach. Bit Timer promises to be the “World’s Simplest Interval Timer Ever.” It is.

For those of you who don't know, I wrote an interval timer app for iOS. A feature request is to allow it to run in the background. Apparently people fidget with their Music or Podcast app enough ...

It’s the science-supported wizardry of the Japanese interval walking method, a HIIT-style program that’s all the rage among fitness professionals and seniors. The protocol is beautifully […] ...

However, interval training provided a 28.5 per cent greater reduction in body weight than moderate intensity continuous exercise — pretty impressive, considering the shorter work time.