After 2 months of  running I try to calculate my speed for running yesterday. I did it for 6.5 minutes per km. for running medium pace. And for swimming ,Peh calculate my average is  2.20 minutes per 100 m for slow and relax speed.

And for last week 2 set of 5 X 50 m , slow , medium , fast , fast, fast. My medium speed is around 1:05 minute per 50 m and fast speed, ranging from 52 -58 seconds per 50 m