Route Resources:
The Start and Finish points are detailed at https://tinyurl.com/4myryf5h
This gpx file from Damian Hall's record in 2020 shows the start and finish points https://fastestknowntime.com/system/files/fkts/gps_data/South_Wales_Traverse_recordbimble.gpx
This is a useful resource for planning a schedule - it gives the mile splits (showing distance and height for each) for Katy Roby's round.
Katy's Attack Point schedule www.attackpoint.org - Attackpoint lets athletes keep online training logs, post and view split times from competitions, and share training philosophy.
Bridges 200ft Hills List - for the definitive list of hills that are above 2000ft. The relevant part of these tables was what determined the route
Paul Colley-Davies has created a 3D tour on 'Viewranger' here