London T100
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London T100 Triathlon
London T100 Triathlon takes place in London, UK on 21 to 22 August 2027. The event offers multiple organised triathlon races over a two day programme and includes options for individual competitors and team relays.
- 100 km Triathlon 2 km swim, 80 km bike, 18 km run
- Olympic Triathlon 1.5 km swim, 40 km bike, 10 km run
- Super Sprint Triathlon 400 m swim, 10 km bike, 2.5 km run
- Sprint Triathlon 750 m swim, 20 km bike, 5 km run
- Olympic Docklands Triathlon 1.5 km swim, 40 km bike, 10 km run
Swim sections are held in freshwater. Bike and run courses are described as flat. The listed average water temperature is 18 to 24°C, with wetsuits mandatory. Listed air temperatures range from 18 to 21°C.
Team relay entries are available for several race distances, with teams of two or three athletes sharing the legs. Routes include central London sections and pass landmarks such as Tower Bridge and the London Eye. Entry terms include a partial refund policy: a 50% refund is available 90 days before the event and a 25% refund is available until 30 days before the event.
All T100 Triathlon events are qualifiers for the Qatar T100 Triathlon World Championships. Visit the organization's website for the most recent information.
