https://community.usms.org/swimming/f/general/8292/cramping-in-open-waterI was looking for suggestions to a problem that has now occured to me twice now in the same race. It is a 2.5mile open water race where the water temp is around 60 degrees. I wear a full westuit for the race. About 2/3 of the way through I get a massiveen-USTelligent Community 12https://community.usms.org/thread/128272?ContentTypeID=1Tue, 28 Jul 2009 13:53:51 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:8f0d7495-89ea-4bcc-987f-6dcafe6a56dfFormer MemberI have faced with this problem for many years. What I do: 1) About every 10 minutes throughout the swim, flex your feet - pull your toes up and stretch your calves just a bit. You don&#39;t have to stop to do this. Just a quick pulling up of the toes every now and then. 2) When you are doing your dryland stretching, don&#39;t just stretch your calves. Stretch your hamstrings too. Tightness in the hammies can cause tightness in your calves. Hope this helps. Nothing is worse than calf cramps during an openwater swim.<div style="clear:both;"></div>