Hardcore TImer

Add timer to Seconds View full screen

Don't have Seconds Interval Timer yet?

Download on the App Store Download Seconds Interval Timer on Google Play

Attempting to install timers in Seconds for iOS should be done through Safari. This is done by tapping the action icon (up arrow out of a box). Other apps may not recognise the file.

Interval Timer Videos

Our most popular timers.

All Interval Timer Videos

Timer Duration: 16:15 Rollover intervals for more details.

Exercises:
  • Jog In Place
  • Leg Raises
  • Crunches
  • Double Crunches
  • Active Rest
  • L Side Plank
  • R Side Plank
  • Plank
  • Jog in Place 1:00
  • Leg Raises 0:45
  • Crunches 0:45
  • Double Crunches 0:45
  • Active Rest 0:30
  • Leg Raises 0:45
  • Crunches 0:45
  • Active Rest 0:30
  • Leg Raises 0:45
  • Crunches 0:45
  • Double Crunches 0:45
  • Active Rest 0:30
  • L Side Plank 0:45
  • R Side Plank 0:45
  • Plank 0:45
  • Active Rest 0:30
  • L Side Plank 0:45
  • R Side Plank 0:45
  • Plank 0:45
  • Active rest 0:30
  • L Side Plank 0:45
  • R Side Plank 0:45
  • Plank 0:45

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.

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