The classic format - and Olympic distance
A standard triathlon involves a 1.5km swim, a 40km bike ride and a 10km run - it's the format at which the Brownlee brothers excel. You need to be at least 17 years old to enter.
Swim, bike & run in Central London - August 2020
With 11,000 participants and 30,000 spectators turning out each year, this world-famous event has become a must-do summer triathlon.
Triathletes will swim in the Royal Victoria Dock, cycle alongside the Thames and run around the London Docklands.
Take part for Rethink Mental Illness and make it possible for those with a mental illness to have a good quality of life.
Join a charity team to secure your place in one of these major events.
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