Boxing / Interval Timer play online

Simple timer for martial Arts and interval training. This application is very useful for boxing, karate, mma, high intensity interval training, functional training, etc.

No ads and additional functions in Pro version:
Train Hard Pro

You can manage your working and resting time list (add and delete time).
The application sounds:
- one gong at the start of the round.
- two gongs at the end of the round.
- five gongs at the end for the work.

Enjoy and train hard...