Open water Home › Forums › General USRPT Topics › Open water Tagged: open water This topic has 0 replies, 1 voice, and was last updated 9 years, 6 months ago by Turgut. Viewing 1 post (of 1 total) Author Posts March 7, 2015 at 6:03 am #2386 TurgutParticipant I’m 51 and have a new goal, swimming open water 3k under 40 mins. That’s 1:20 of each 100’s. I just started doing 30×100 mts about 1:20 on 1:40. I’ll put more 100’s, increase the speed and rest less later. Is this seems optimum for usrpt? What else? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register