For anyone that has missed the boat on entry, there is of course one means left of riding. By helping out on the event you will of course be entitled to ride the helpers ride the weekend before.
I anticipate that there will be DNS as we go into next year and Real Life starts to get in the way of the grand ambitions sown at this time of the year. A limited number of reserve entries will be available next spring.
On the terrain,
Leg 1 is probably most comparable to the BCM, erring towards the Scenic with the climbs of Bwlch y Groes (the easy way) and the mountain road over Migneint. After Llanberis pass you've done all the significant climbing on this leg (there will likely be a headwind coming in off the sea to slow you down on the run to Barmouth though).
Leg 2 is very different from the rest of Wales, being more akin to the west country. The road to Carmarthen is continuously undulating. The run round the coast is continuous steep up and down after Pendine (yes, you will be going up Pendine Hill). Things get easier after St Davids as the main road returns to undulating, similar to the A39 stage on the K&SW600.
Leg 3 is approaching the Elenith. Three significant mountain road sections - Cymystwyth - ELan Valley, Gospel Pass and Llyn Brianne - Tregaron. THe Llyn Brianne road is a corker. THey could have built a nice flat road round the reservoir but instead it's like the big dipper at Blackpool Pleasure Beach. And there's the fatigue factor to consider, you'll have done 600k by the time you start on this leg. In compensation the bits in between these mountains are easier.