Brief report:
Although we took rope and a light rack, Mark Ingram and I ended up soloing the route and made the summit in 1 hour 40 minutes from the Tenaya parking lot. The descent took us 1 hour 2 minutes (2 hrs 42 minutes car-to-car). We then took a swim on Tenaya Lake. A fun, short day.
Additional info about climbing Tenaya Peak can be found here.