About This Boxing Interval Timer
Our free online boxing timer is designed specifically for fighters and fitness enthusiasts who need a reliable round timer for their training sessions. Whether you're doing boxing drills, shadowboxing, heavy bag work, or sparring, this interval timer keeps you on track with customizable rounds and rest periods.
Perfect for Multiple Training Styles
While built for boxing, this timer works great for HIIT workouts, Tabata training, circuit training, MMA, kickboxing, and any interval-based exercise. Customize round duration, rest time, and warning alerts to match your specific training protocol.
Key Features
- Customizable round duration and rest intervals
- Audio alerts for round start, rest, and warning countdown
- Preparation time before each round
- Fullscreen mode for maximum visibility
- Keyboard shortcuts (Space to start/pause, R to reset, F for fullscreen)
- Works offline - no download or installation required
- Mobile-friendly and responsive design
- Completely free with no registration needed
How to Use
Simply configure your desired number of rounds, round duration, and rest time in the settings panel. Enable audio cues if you want sound alerts. Press Start (or hit the spacebar) to begin your training session. The timer will automatically count down through all rounds and rest periods, giving you visual and audio feedback throughout your workout.