The provisional information to competitors for 2021 is available for download below and contains race day information.
Registration takes place on Friday evening from 18:00 to 19:00 and Saturday morning from 06:00 at the Llanberis community centre. Competitors can park here on race day and get a bus to the start. Registration will close 10 minutes before the bus leaves Llanberis and it is not possible to register at the start.
The venue will be open for competitors, friends and families until 19:00 on race day. Pay and display parking is available nearby for approximately £5 per day.
Bus transport is available, for an additional £4 payable in cash on the day, to take competitors from the Event Centre to the start locations.
The long course starts in the field near Aber, to the north of the A55.
The short course starts on the path to the South of Ogwen Cottage.