A third army reserve soldier who died after taking part in SAS selection training in the Brecon Beacons has been named by the Ministry of Defence as Corporal James Dunsby.
Corporal Dunsby had been in a serious condition in hospital since falling ill during the training on July 13th.
More top news
More than a thousand riders will be taking part in a series of events in and around the town.
Some warm spells of sunshine will develop, although scattered heavy and thundery showers are also expected during the afternoon.
A yellow 'be aware' warning has been issued by the Met Office for much of Wales.