I have a red rash with pin point red dots on the back of my lower legs. I noticed the red dots about a week ago that went away. Then 2 days ago after walking for about 8 hours in warm weather found a rash up both legs to about mid calf. The rash had little pain but I feel a little but like there is pressure in my ankles and lower legs when walking or standing. The rash is blotchey and has the red dots. No itching or pain. 38 year old male 6 feet 1 in tall 235 lbs. Walks 4 times a week for long distances.