21 pembrokeshire trefin to whitesands bay

■Distance: 6½ miles/10.4km ■Time: 3 hours ■Grade: Moderate ...

■Distance: 5½ miles/8.8km ■Time: 3 hours ■Grade: ...

PEMBROKESHIRE HALF MARATHON RACE

MOUNTAIN, RIVER & MOORLAND LOOP

■Distance: 6¼ miles/10.1km ■Time: 6 hours ■Grade: ...

■Distance: 9½ miles/15.4km ■Time: 5 hours ■Grade: Moderate ...