people across the eastern part of the country and it's been hot. and this has been for the last km of weeks, high pressure in the east and making it hot and a big dip in that, and making it cool. and this is about to swap and the big pattern change is jnd way, cool, relatively cool air towards the great lakes and the meet moves out across the areas of the west over the next, actually starting today and tomorrow. a big relieve by tomorrow. and victoria, you're one of the organizers of this event and tell me how glad you are that the weather is like this today, instead of yesterday. >> it's the perfect day, it's cool. the humidity has calmed down and i think that everybody is excited. >> i think it's warm, good for the swim. after the people swim the one mile swim. a 25 mile bike ride and a six mile run. when you get out. you have to bike 40 k and run 10 k. the hardest part if it's hot out and we're excited it's much cooler than yesterday.