2 minutes if you are a junior fighter, if you are a beginner or a professional or an open fighter.
Open fighters fight only four rounds of two minutes in special circumstances, such as in some national and international competitions, but all open fighters in daily competitions and gold gloves, without exception, fight 3 rounds of 3 minutes, when Until the referee obeys. The fight, the fighter can't continue, the doctor stops the fight, just 3 cycles of three minutes.
As mentioned earlier, regular boxing matches are 3 minutes per round.
Men's fights are very difficult because usually, at least unofficially, they have no training and no professional distance for 3 minutes.
3 minutes per lap ... up to 12 laps, now it's 100, I've read it, but I've seen most 75 laps go crazy ...
3 minutes ago or 1.8 * 10 11 nanoseconds or 5 * 10 2 urs or 5.70398 * 10 6 years
1 minute or 6,94444 * 10 4 days left
3 minutes in the lap and 1 minute between intervals ...