Featured Interval Timers

Our most popular timers.

All Featured Interval Timers

PACER Test / Beep Test / Multi-stage Fitness Test Timers

All PACER Test / Beep Test / Multi-stage Fitness Test Timers

Repeated Single Interval Timers

Timers that repeat one interval over and over.

All Repeated Single Interval Timers

HIIT Timers

A collection of timers that have work intervals separated by rest intervals.

All HIIT Timers

Countdown Timers

A collection of timers immediately start counting down to zero and end with a loud triple beep to signal the timer is complete.

Timers from 5 seconds to 120 seconds.

All Countdown Timers

Countdown Timers with Voice

A collection of countdown timers that speak each second with a female voice as they counts down to zero.

Timers from 5 seconds to 100 seconds.

All Countdown Timers with Voice

HIIT Timers with 10 Second Rest Intervals

A collection of interval timer videos where the rest intervals are only 10 seconds in length.

All HIIT Timers with 10 Second Rest Intervals

About Interval Timer

Interval Timer is a website that allows users to create HIIT, circuit training, round, tabata or custom timers to share online with their friends or clients.

The website is also allows users of Seconds Pro to share their timers from the app with non-users.

Runloop

Seconds Pro