Compete in the Half Distance 70.3 Triathlon Bolton, one of the UK’s premier triathlon events. The race kicks off with a 1.2-mile (1.9 km) swim at Pennington Flash Country Park (avg. water temp 66°F / 19°C), followed by a 56-mile (90 km) bike course through scenic villages and two loops in Horwich and Bolton, featuring a 840m ascent. The event wraps up with a 13.1-mile (21.1 km) run, passing through Bolton Town Centre and Queen’s Park. Cross the iconic finish line in front of Bolton Town, ...