How Cold Should A Person Go?

We recently were informed Big Shoulder's 5K OW is likely to be cold this year. (60-63) Due to a very warm summer in central Indiana most of my training was done in water 85-88 degrees warm. This week-end we got a break and out water has been 72 in the pool. (It feels so good!) My question is how much lower to what I'm used to can I go and be safe? I am 5'5" and weigh 117. I have done BS 5K in water as cold as 68 with no problem but I'm just not sure where to draw the line and bail into a wetsuit. I do not want to get hypothermia. I'm planning to be in the water somewhere between 1:20-1:30. :coffee:
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  • Former Member
    Former Member
    Did 40 minutes on May 7, at 52F, no wetsuit. Air temp was warm and it was sunny. Took me about 10 minutes of slowly getting in before I set off on the swim. After swim it was about 2-hours to get core temp back to normal. Second OW of the season last Sunday, water at 55F went for almost 80 minutes, this tie around 3-hours to get core temp back to normal, air temp not as warm as earlier swim. Honestly, I'm not sure it's fun. My ultra-marathon swimming buds and training partners have been doubling this with no wetsuits. But then there truly crazy. I've had my best race finishes at around 62-66F, when temp is in that range I've beaten many in OW that kick my butt in the pool.
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  • Former Member
    Former Member
    Did 40 minutes on May 7, at 52F, no wetsuit. Air temp was warm and it was sunny. Took me about 10 minutes of slowly getting in before I set off on the swim. After swim it was about 2-hours to get core temp back to normal. Second OW of the season last Sunday, water at 55F went for almost 80 minutes, this tie around 3-hours to get core temp back to normal, air temp not as warm as earlier swim. Honestly, I'm not sure it's fun. My ultra-marathon swimming buds and training partners have been doubling this with no wetsuits. But then there truly crazy. I've had my best race finishes at around 62-66F, when temp is in that range I've beaten many in OW that kick my butt in the pool.
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