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www.monstertriathlon.org

Monster Triathlon

location_city Clewer Village

flag United Kingdom

calendar_today 06 Jun, 2027 – 12 Jun, 2027

kayaking Multisports

language Official Website

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About the Event

Tame the UK's most formidable multi-sport beast. The Monster Triathlon (June 6-12, 2027) challenges athletes across seven epic days, starting with a 5km swim in Loch Ness and progressing through a 1,000km bike journey across Britain's most iconic landscapes before a 50km run finish in London. This 1,055km journey is meticulously designed to test every facet of endurance, making it the premier destination event for triathletes seeking the ultimate long-course adventure.

Races Offered

Other

Jun 06, 2027

straighten

Distance — Other

terrain

Type — Triathlon

timer

522 days remaining

Weather Overview

These values represent the 3-year monthly averages for June in Clewer Village.

Temp (°C)

Feels Like (°C)

thermostat 11.2° / 21.3°

wb_sunny 9.1° / 18.9°

Wind (km/h)

Humidity (%)

air 12.7 /

water_drop 69.9%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 11.2° / 21.3°

wb_sunny 9.1° / 18.9°

air 12.7 km/h

water_drop 69.9%

About Clewer Village

Scenic view of

Clewer is an ecclesiastical parish and an area of Windsor, in the ceremonial county of Berkshire, England. Clewer makes up three wards of the Royal Borough of Windsor and Maidenhead, namely Clewer North, Clewer South and Clewer East.

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Hotels & Places to Stay

Nearby Races

Run Dorney Lake Half Marathon - February

location_on Clewer Village, GB

calendar_today Feb 07, 2026

5K 10K Half-Marathon

All Nations Triathlon

location_on Clewer Village, GB

calendar_today May 09, 2026

5K 20K Ultra

Run Dorney Lake Half Marathon - March

location_on Dorney Lake, GB

calendar_today Mar 08, 2026

5K 10K Half-Marathon

Run Dorney Lake Half Marathon - April

location_on Dorney Lake, GB

calendar_today Apr 04, 2026

5K 10K Half-Marathon

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