Running habit, one second at a time

Today is only one second more than yesterday.

Start with a comfortable run or walk. Finish today, unlock tomorrow's tiny increase, and keep the streak moving without pace charts or pressure.

View screenshots Contact support

One Second Run Today screen showing a 20 minute 8 second goal

Tomorrow +1s

No intense coaching

Just the next doable run.

No data clutter

Timer, streak, history, done.

Lock screen ready

Live Activity keeps the goal visible.

Actual app screenshots

The whole loop fits in one minute.

Onboarding screen to choose the starting run time — Choose a start

Today screen showing today's target and tomorrow's one second increase — See today's goal

Run timer screen with remaining time and finish action — Run the timer

History screen with recent running sessions — Track consistency

Settings screen with start time and daily increase controls — Keep control

For App Review

One Second Run is a simple timer-based running habit app.

It does not use GPS, HealthKit, pace tracking, calorie estimates, or account creation. Rewarded ads are used only before resetting progress or choosing a new start time.