IIRC, the wave selection descriptions were something like:
1. Aim to win
2. Aim to podium in category
3. Above average
4. Average/ mid pack
5. Below average / cruising
6. Aim to finish
One look at the wave rider list, it was pretty obvious what was going on - it had only about 100 people in a combined wave 5 &6. So, nearly 90% of riders think they are average or better. I have read on other threads about people who weren't able to even finish last year, then this year putting themselves into wave 4...
While it seems that self seeding is a waste of time, I suppose there is not much other choice. Dunno how you'd do it based on previous years' results - what about good riders who haven't done the event before?
It seems to me that the biggest issue is having the waves so close together. 3 minutes is nowhere near enough, when you have strugglers going in "above average" wave 3. They are caught by the following wave before the first bit of singletrack.
I also didn't get how most of the firetrail sections were downhill. What is with that? If they they don't want to switch that around (and have the vast majority of fire trails only on climbs), they really should put a cap on numbers. Either that, or spread out the waves to at least 5 mins, or even 10 mins.
From the rant, you can probably guess that I was affected. At the time, I was getting pretty frustrated with getting stuck behind all the people who went in the wrong wave. Think longest conga lines I've ever seen. Which completely stopped every time a technical or steep section approached. It seriously took nearly an hour an half before I was able to ride singletrack for more than 10-15secs at my own pace, without some clown in front jamming their brakes on. I finally got past the last conga line creator just as I passed the half way water stop.
In the end, I was probably more frustrated with myself, for me starting in the wrong wave. I should have learnt from last year, but figured that I wasn't currently up to the wave 2 level, as I have done almost no xc this year (and had a bit of time off the bike due to injury), so went in wave 3b. Must've passed over a hundred people, many of which were either cruising, unfit and struggling up hills, or obvious single track novices, wobbling their way through corners/obstacles.
Certainly would go wave 2 if I did it again.