Harwich Triathlon

JUN
13-14
2026
Join Harwich Triathlon on 13 and 14 June 2026 along the Essex Suffolk coast, with Olympic and Sprint races offering sea or pool swims plus a junior event. Beachfront bike and run courses make it a scenic test for all ages.
13-14 Jun 2026
Junior Triathlon (ages 8-... Sprint Triathlon (300m Po... Olympic Triathlon (1500m... Olympic Relay

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Overview

Harwich Triathlon 2026 is a two-day event on 13-14 June 2026 based on the coastal peninsula at the Essex-Suffolk border. The event has been held since 2004 and includes sea swim and pool swim options. Race headquarters and transition areas are located on Harwich promenade at the Oval Shelter near the boating lake and at Dovercourt Bay Lifestyles Pool, Low Road, CO12 3TA. Entries close 14 June 2026 and the event status is open.

Race formats and distances

The weekend features multiple race formats:

  • Olympic Triathlon: 1500 m sea swim, 40 km bike, 10 km run along Harwich promenade.
  • Olympic Relay: same distances as the Olympic Triathlon; relays require a minimum of 2 participants.
  • Sprint Triathlon: 300 m pool swim, 24 km bike, 5 km run along Harwich promenade.
  • Junior Triathlon: pool swim, cycle on grass, run on grass for ages 8-15.

Junior distances by age group:

  • Under 9: 50 m swim, 1 km cycle, 600 m run.
  • Aged 9-12: 150 m swim, 2 km cycle, 1.2 km run.
  • Aged 13-15: 150 m swim, 3 km cycle, 2.4 km run.

Juniors must have a road-worthy bike (no stabilisers) and complete all sections unassisted. Medals are awarded to all finishers. A British Triathlon Race Pass is required for non-members; costs are specified by the organiser. Visit the organization's website for the most recent information.

40 km
Olympic Triathlon (1500m Swim, 40km Bike, 10km Run)
24 km
Sprint Triathlon (300m Pool Swim, 24km Bike, 5km Run)
Junior Triathlon (ages 8-15): Under 9: 50m Pool Swim, 1km Cycle, 600m Run; 9-12: 150m Pool Swim, 2km Cycle, 1.2km Run; 13-15: 150m Pool Swim, 3km Cycle, 2.4km Run
Olympic Relay