Thanks bikerchic and azfiddle. I have to rearrange some work deadlines to pull it off, but working on it.

Yes, I think Tahoe probably had a lot more climbing (and at altitude), so I feel pretty confident that I could finish the 111 mile route in good shape by just maintaining the level where I am now (and worse case scenario, drop down and do the 80 mile route). Took 2 weeks off to reconnect with my spouse, clean house and catch up with work, but heading back to mid-week spin classes starting tonight and have either a 100k or 80 miler the following weekend (Paluxy Pedal in the Texas Hill County, so lots of climbs, including a short 19% grade one that my super fit tri friends said they had to walk up) and will look for another 100k to 80 mile organized ride before Tucson.

It would be fun to meet some TE folks out there!