Greater London
Triathlon Calendar near Greater London 2026-2027
Monthly updates for Greater London
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Greater London for 2026-2027! We've gathered 28 exciting races in the area. Check out our detailed list below to find your next local race.
November 2026
Race Super Sprint, Sprint or Standard duathlon at Dorney Lake on a flat, chip timed course with marked laps, helpers and spectator viewing.
December 2026
A chip-timed duathlon at Dorney Lake with Super Sprint, Sprint and Standard formats, relay options, and a flat road course around an Olympic venue. The event includes a themed medal, free photos and an event village with food and partner goodies.
Super Sprint, Sprint or Standard distances at flat, scenic Dorney Lake with marked courses, helper stations, spectator viewing and a British Triathlon race licence requirement.
May 2027
Pool based triathlon at Tonbridge School Centre on 3 May 2027 offering sprint, standard, aquabike, aquathlon and relay formats.
A community organised event at Sevenoaks Leisure Centre with pool swims, a 25 km bike route through Kent countryside, and runs through Knole park.
Monthly updates for Greater London
Get new running races (and updates) in your inbox every month.
June 2027
Club organised BTF sanctioned triathlon at White Oaks Leisure Centre in Swanley on 13 June 2027 offering sprint, standard and aqua bike distances with finisher mementos.
River Thames swim, country roads cycle and a finish past Windsor Castle with sprint and Olympic distances and relay options.
August 2027
London T100 Triathlon on 21 to 22 August 2027 offers multi-distance triathlon racing in central London, including the 100 km distance and age group qualifying spots for Qatar.