Originally Posted by CliffordK

Thanks for the links.

Oof,,,
There is even an Oregon/Washington ride on your list in late May,
Lewis & Clark Ultra - How Far Can YOU Ride?

With a 140 mile loop

I'm not seeing notes on a 2016 "Ring of Fire" race. Perhaps it will be announced later, although that website does have a 515 mile Race across Oregon race.
RACE ACROSS OREGON