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.