Vitality World Triathlon, May 30-31, London. Tri It event: 400m open-water swim, 15.5k bike, 2.5k run.london.triathlon.org
Blenheim Triathlon, June 13-14. Super sprint: 400m open-water swim, 13.2k bike and 3.1k run in the stunning grounds of the palace.theblenheimtriathlon.com
Woodhall Spa Triathlon, June 14, Lincolnshire. 400m pool swim, 24k bike, 5k run.onestepbeyond.org.uk
Norwich Triathlon, July 11. Sprint race: 750m open-water swim, 18k bike, 5k run. norwichtriathlon.co.uk
Shock Absorber WomenOnly triathlon, July 12, Eton Dorney Lake, Windsor. Novice: 200m open-water swim, 5k bike, 2.5k run. Or try a relay event for teams of two or three or a duathlon involving a run and bike ride. humanrace.co.uk/womenonly/ womenonly-triathlon
The People’s Triathlon, August 9, Whitchurch, Shropshire. Six race options, including sprint relay with one competitor for each leg and a fun triathlon (200m open-water swim,…