London Triathlon 2026

Race facts

• The course covers 51.5 km.
• It takes place on a Saturday, August 1, 2026 — summer in this part of the world.
• The closest comparable triathlon event is London T100 Triathlon in London, 11 km away, on July 25, 2026.
• 4 of the 12 most similar events take place in the same month.