Well --- at 72 3/4 years, I find it more difficult to hold rest intervals at 10 seconds. I need more time to get recovered to out in a hard workout!
15 secs. on 50 & 100's and 20 secs. on 200 & 500 yard swims seem to give me what I need now.
Well --- at 72 3/4 years, I find it more difficult to hold rest intervals at 10 seconds. I need more time to get recovered to out in a hard workout!
15 secs. on 50 & 100's and 20 secs. on 200 & 500 yard swims seem to give me what I need now.
