Yes and no. It breaks it down into before 1st meeting, 1st 30 days and fully trained. But within those categories there are many more.
Before first meeting - Four courses, 44 minutes (ideals 13:35, Adv 3:45, Leading den mtgs 13:08, discipline 15:15)
First 30 days - Six coures, 45 minutes (purpose 6:08, methods 4:13, recog 9:41, how it owrks 11:28, Effective leadership 7:21, resources 6:30)
Position trained - Nine courses, 66 minutes (Parents 5:34, Uniform 13:39, Insignia 4:43, Uniform 3:39, awards 4:41, planning 14:35, Year round 12:38, Position 4:57, Roles 3:07)
Den leader is 19 courses, 155 minutes of training.
It's intiminating for someone who just signed up blind at a join scouting night meeting.
fred johnson's post in Online Position Specific Training - How Long Does it Take? was marked as the answer