Thursday Core

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: 30:30 Rollover intervals for more details.

Exercises:
  • Reverse Crunch Leg Extension
  • Off
  • Straight Leg Crunch
  • Woodchop Sit Up
  • Side Leg Raise To Oblique Crunch
  • Cross Body Swipe
  • Air Punch To Crunch
  • Oblique V-crunch
  • Angled In And Out
  • 100s
  • Russian Twist
  • Bicycle Crunch
  • Dead Bugs
  • Plank
  • Reverse Crunch Leg Extension 0:45
  • Off 0:15
  • Reverse Crunch Leg Extension 0:45
  • Off 0:15
  • Straight Leg Crunch 0:45
  • Off 0:15
  • Straight Leg Crunch 0:45
  • Off 0:15
  • Woodchop Sit Up 0:45
  • Off 0:15
  • Woodchop Sit Up 0:45
  • Off 0:15
  • Side Leg Raise to Oblique Crunch 1:30
  • Off 0:15
  • Side Leg Raise to Oblique Crunch 1:30
  • Off 0:15
  • Cross Body Swipe 0:45
  • Off 0:15
  • Cross Body Swipe 0:45
  • Off 0:15
  • Air Punch to Crunch 0:45
  • Off 0:15
  • Air Punch to Crunch 0:45
  • Off 0:15
  • Oblique V Crunch 1:30
  • Off 0:15
  • Oblique V Crunch 1:30
  • Off 0:15
  • Angled In and Out 0:45
  • Off 0:15
  • Angled In and Out 0:45
  • Off 0:15
  • 100s 0:45
  • Off 0:15
  • 100s 0:45
  • Off 0:15
  • Russian Twist 1:30
  • Off 0:15
  • Russian Twist 1:30
  • Off 0:15
  • Bicycle Crunch 0:45
  • Off 0:15
  • Bicycle Crunch 0:45
  • Off 0:15
  • Dead Bugs 0:45
  • Off 0:15
  • Dead Bugs 0:45
  • Off 0:15
  • Plank 2:00

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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