Join Date: Dec 2007
Location: Austin, Texas, USA
Bikes: Trek 520, Lightfoot Ranger, Trek 4500
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Originally Posted by kuzuchi
an option I am considering is riding at night and resting during the day if the temperature become a problem.
Look up dates for the full moon. Many of those roads should have light enough traffic to do some night riding.
Riding in the extreme heat is definitely something to be careful about. In 2005, I did half of a supported ride named Las Vegas Hell Week: http://www.hellweek.com/vegas.html
Most days were hot but tolerable but the day we rode from Mesquite back to Vegas, forecast temps were ~110F and slightly warmer near Lake Mead. We got on the road at first light and so didn't have much difficulty the first 70 miles until lunch. After that it started getting quite hot. Two of the six riders decided to SAG from lunch. I rode the next 20 miles after lunch and was quite grateful when our SAG made multiple loops to check on me and refill water. It was surprising how quick I went through water. I chose to SAG from the afternoon stop at 90 miles since I had nothing to prove and temperatures were ~108F.
After the afternoon stop, one of the other riders was cycling and noticed his body starting to give him some shivers. We were right there with him and quickly picked him up and got him cooled down. Despite drinking a lot, he'd gotten on the wrong side of the hydration curve and found his body couldn't cool itself down quick enough. The two remaining riders completed that ride in the heat.
From that experience, I learned:
- hydrate plenty, and useful to over-hydrate early since your body might not keep
up if it gets hot enough
- no matter what shape you are in (and that rider was in good shape), signs of
heat induced illness can come on surprisingly quick, so useful to be careful
- get your riding done early and have a "plan b" if you end up out there at wrong time
The US temperature map: http://www.mapsofworld.com/usa/thema...ture-july.html
suggests you are likely to have some hot temps in July before getting to Arizona.