UK Triathlon Events

400m pool swim in the London 2012 Aquatics Centre followed by a 5km run through the Olympic Park.

Long-running swim/run event at Littlehampton. Pool swim followed by seafront run, organised by Tuff Fitty Triathlon Club.

Pool-based sprint triathlon at Edge Hill University. Sprint and standard distances plus aquathlon and duathlon options — ideal for first-timers.

North West multisport event with pool swim, hilly bike course and tough hill run finish, plus sprint and standard aquabike and trail run options.

Multi-day festival at Druridge Bay with open water swims (750m-3K), triathlon, aquathlon and aquabike events in Northumberland.

Weekend triathlon and duathlon on Lake Windermere. Novice (350m swim), Sprint (750m swim) and Standard (1500m swim) distances plus duathlon options.

One of England's oldest seaside regattas with yacht and rowing races, parades, airshows and fireworks over three days in Whitby Harbour.

Geordieman half-triathlon with open water swim in Ladyburn Lake, scenic coastal bike and flat run. Solo and relay options.

Summer edition at Edge Hill University with new aquabike option (400m swim / 21k bike). Highly rated for first-time triathletes.

Major South Coast triathlon with Sprint and Standard distances plus Aquathlon and Aquabike options, featuring a sea swim off Bournemouth's blue-flag beach.

The flagship IRONMAN 70.3 in the South West — 1.2-mile ocean swim, 56-mile bike through Dorset countryside, and 13.1-mile run along Weymouth seafront.