I did my calisthenics training outdoors as usual, and the temperature was 100 degrees F and the humidity was 21%. In this video you will see how much fluid I lost into my headband in a 1.5 hour training session.
I took in more than 3000 kcal, 116 g protein, and met all recommended nutrient requirements. I enjoyed peanut butter and jelly sandwiches on Dave's Killer Powerseed Bread. More details in the video.