Sprint Timer: Race Stopwatch

Sprint Timer is a sprint stopwatch, lap timer, and interval timer for Android. Time your sprints, intervals, and speed work to 0.01 second precision — no internet, no account, just tap and run.

Whether you're a track athlete, a coach, or doing speed work, Sprint Timer turns your phone into a precision sport timer.

▶ MAIN FEATURES

• 3-2-1-GO countdown to start every sprint

• Auto-start on motion — the timer launches when you move

• Manual & automatic splits and lap times

• Personal record (PR) tracking for every distance

• Interval timer with configurable work/rest

• Speed estimate from your sprint times

• History & sharing — log and send your results

• Big readable display for outdoor and trackside use

• Dark mode for stadium and indoor sessions

• Works fully offline

▶ HOW TO USE

1. Open Sprint Timer and pick a mode (sprint, lap, interval).

2. Tap start or use the 3-2-1-GO countdown.

3. Let auto-start launch the timer the moment you move.

4. Tap to record splits and laps as you run.

5. Stop to save your time and check it against your PR.

▶ WHO USES SPRINT TIMER

• Sprinters and track athletes timing 100m, 200m, 400m

• Running coaches and PE teachers timing groups

• Football, soccer, and combine drills like the 40-yard dash

• HIIT and interval trainers

• Cyclists timing flying efforts

• Parents timing kids at races and sports day

No account, no sign-up, no internet required — every feature works anywhere, even with no signal. Just open Sprint Timer, line up, and run your fastest.