Trip to Vegas, looking for a Saturday bike?

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Apologies in advance if I'm asking a stupid question.

I'm primarily a mid-distance Tri guy.

I'll be in Vegas April 14th for a trade show... are there any opportunities to rent a decent road bike and go into a (hopefully guided) tour of any of the great looking scenaries that can be seen from the plane? I'm ok paying a premium.

I'd be looking for a 50 or so mile ride, or more if its at a tourist pace. Or actually anything decent. Will have a car so could drive to a rental place too.

I'm from Florida too so a shorter experience with elevation would be great as well.

Basically I am trying to determine whether to fly down a day early for a different swim, bike or run experience... so any tips appreciated.

Thanks!