One Second Run

One Second Run helps you build a running or walking habit with a simple timer that grows by one second each day. Start with a comfortable first goal, complete today's timer, and tomorrow's target becomes just one second longer. The app keeps the experience light: no GPS, no pace charts, no account, and no pressure. Features: - Daily run or walk timer - One-second daily increase - Onboarding to choose your first start time - Streak and history view - Optional notes for each session - Local reminders - Live Activity and Dynamic Island timer display - Settings to reset progress or choose a new start time One Second Run is designed for consistency. Open the app, start today's timer, finish, and keep the line moving.