Well, as an Arizona rider, I can only tell you what works for me.
As you know, everybody around here has their own remedies and ways of doin' things...
Rehydration is a big part of the program. It takes the body a full
8-12 hours after high intensity exercise to rehydrate. Everytime the temperture increases, your endurance time to ride decreases. For example (I had to look up the figures from a study), if you ride at 52 degees and sustain your intensity, you should be able to ride about 1 1/2 hours before fully rehydrating
...when the temp goes up higher, let's say 86, your time reduces to 51 minutes. So, out here, if you add on/ride about 20 degrees higher, (105+), you'll have to rehydrate approximatly every 30 mintues to consume a volume greated than the sweat lost...and plain water, after high intensity riding requires, ain't gonna' cut it, as you know. Sodium keeps your plasma levels elevated--plain water causes levels to drop. Small amounts of carbs can improve the uptake of the sodium and water AND will improve absorption...as in, eat a banana. (As a "Zonie" you know that ya' have to drink your body weight in oz. during the summer) So, a few sips off an electolyte drink every 30 min. of a ride make sence.
The night before, I drink (and so what if I get up and pee a couple times) 16oz water with an Emer'gen-C packet (Trader Joe's has the best price in Tucson). Everyone that doesn't live out west/have Trader Joe's, try your health food stores. Vital stuff.
In the morning, an hour of so before riding, I have a Hansen's
"Energy" drink--wowiee-doziwee! That brings me to attention! And, I carry a cold, cold can of the stuff on top the camelback bladder to drink half way, if it's a long day; I split one with the guys when we get back to the vehicles, or, have more cold water with an Emer'gen-C packet...and then I siesta, just like everybody else in the afternoon...
I won't ride after 8:15 a.m. in the summer unless I'm up north (at least Prescott) and then, the UV levels are up there are dangerously high this time of year.
Here in Phoenix, it never fails; We'll be packin' up the bikes around 8 a.m., and have to turn our heads toward the mountains because all we start hearin' and seein' are all the riders pulling in, whooping it up with "woo-whoo" as they circle in off the mountain trails...cowboys and cowgirls. She'll be ridin' Treks and Fishers when she comes...sorry, couldn't resist.
Terry



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