London T100
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London T100 Triathlon
The London T100 Triathlon takes place in London, UK on 21 and 22 August 2027. The event is a multi sport weekend offering a range of triathlon distances, including the T100 100 km distance used in the professional T100 World Tour.
Available race distances include:
- 100 km triathlon: 2 km swim, 80 km bike and 18 km run.
- Olympic triathlon: 1.5 km swim, 40 km bike and 10 km run.
- Sprint triathlon: 750 m swim, 20 km bike and 5 km run.
- Super sprint triathlon: 400 m swim, 10 km bike and 2.5 km run.
Team relay entries are available for the Olympic and Sprint distances. Course information lists the swim as freshwater, the bike course as flat and the run as flat. Average water temperatures are given as 18 to 24°C and air temperatures as 18 to 21°C.
Routes pass central London landmarks including Tower Bridge and the London Eye. All T100 Triathlon events are qualifiers for the Qatar T100 Triathlon World Championships. The entry refund policy states a 50 percent refund is available 90 days before the race and a 25 percent refund is available until 30 days before the race. Visit the organization's website for the most recent information.
