Solo Duties Difficulty Select
the difficulity only appear after you fail them once, so it's only there if you failed and lost time regardless (unless you fail the 1st few seconds in and go for very easy, it really makes a difference)
That is simply untrue. You are presented with a difficulty selection upon beginning any solo duty.
As shown here, from my own (failure-less) run: 
New Timing Rules
In regards to the below announcement, I will be going through and fixing over 2000 runs on the leaderboard to match these new timings, please bare with me
This statement has been copied from our discord
ALL runs that are IL (Individual Level) wether they are dungeons, raids, trials etc, are
Recent runs
Level: Hullbreaker Isle (Hard)
Level: The Seat of Sacrifice
Level: The Bowl of Embers
Level: Doma Castle
