Pembrokeshire plays in WRU Division One West. Triathlon event "Ironman Wales" has been held in Pembrokeshire since 2011, contributing £3.7 million to the local economy, and the county committed in 2017 to host the event for a further five years. "Ras Beca", a mixed road, fell and cross country race attracting UK-wide competitors, has been held in the Preseli Hills annually since 1977. The record of 32 minutes 5 seconds has stood since 1995. Pembrokeshire Harriers athletics club was formed in 2001 by the amalgamation of Cleddau Athletic Club (established 1970) and Preseli Harriers (1989) and is based in Haverfordwest. The
Pembrokeshire features was a key factor in the establishment of the Pembrokeshire Coast National Park and a number of sites of special scientific interest (SSSIs). In the north of the county are the Preseli Hills, a wide stretch of high moorland supporting sheep farming and some forestry, with many prehistoric sites and the probable source of the bluestones used in the construction of the inner circle of Stonehenge in England. The highest point is Foel Cwmcerwyn at , which is also the highest point in Pembrokeshire. Elsewhere in the county most of the land (86 per cent according to CORINE) is