Badwater 135       - Finisher of the AdventureCORPS Badwater 135mi race in Death Valley/Lone Pine Area. Course changed in 2014.
Badwater 146       - The 146mi "trek" from the Badwater point in the Death Valley National Park ( lowest point in US) to the summit of Mt Whitney(highest point in the continental US)
Badwater Crossing  -
Badwater Assisted  -
Badwater Supported -

Badwater Solo                -
Solo is usually the category and definition of doing Badwater 146 outside the Badwater135 "race"
Badwater Solo w/Crew         -
Badwater Solo Self Supported -
Badwater Oasis-to-Oasis      -
Badwater Solo Self Contained - See Marshall's description

Badwater Double         - Badwater 146, from Badwater to Whitney and going back to the Badwater point
Badwater Reverse        - Start at the Portal, summit Whitney, then go back to Badwater
Badwater Reverse Double - Start at the Portal, summit Whitney, then go back to Badwater, then go back to the Portal
Badwater and Back       - Badwater Double
Badwater Triple         -
Badwater Quad           -

PM start -
AM start -
start between 6am and 11am-ish ( which has been the standard for a while)

Badwater Triple Threat - In the same year, Badwater Assisted, Solo Self Supported, Solo Self Contained (name by Amy Sonnanstine)

Badwater to Salton Sea - Start from Salton Sea and end up at Badwater point ( name by Ben "Badwater" Jones)