St. James's
Triathlon Calendar near St. James's 2026-2027
Monthly updates for St. James's
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near St. James's for 2026-2027! We've gathered 27 exciting races in the area. Check out our detailed list below to find your next local race.
June 2027
Multi distance triathlon at Dartford with lake swims and multi lap bike and run courses, including Standard, Sprint, GO TRI and Aqua Bike formats.
July 2027
Triathlon at Higginson Park, Marlow on 11 July 2027 offering Middle, Olympic and Sprint distances with a Thames swim and chip timed results.
Multisport event at Higginson Park, Marlow combining triathlon, duathlon, aquabike, aquathlon and open water swims in the River Thames.
August 2027
A two day triathlon festival in London on 21 and 22 August 2027 featuring a 100 km T100 race plus Olympic, Sprint and Super Sprint formats and relay options.
SPRINT Superhero Tri is a short multisport challenge with a 150 m swim, 3 km bike and 1 km push/run. Entries can be solo, relay, or pulling a Superhero; everyone on course must be registered and receives a medal, T shirt and Super Kit Bag.
Monthly updates for St. James's
Get new running races (and updates) in your inbox every month.
Beginner friendly triathlon day at Surrey Docks Fitness and Watersports Centre with open water swims, static bikes and flat run routes focusing on community and inclusion.
September 2027
Multisport racing at Dorney Lake on 5 September 2027 with triathlon, duathlon, aquabike, aquathlon, open water swims and 5K, 10K and 15K runs.