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Triathlon Calendar South East (England) 2026-2027

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Explore the best triathlons in South East (England) for 2026-2027! Our updated list features 62 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

September 2027
A multisport weekend at Hever Castle in Kent featuring triathlon, duathlon, aquabike, aquathlon, swim and run races across multiple distances and junior categories.
October 2027
Duathlon at Thruxton Race Circuit with standard and sprint formats on a wide smooth tarmac circuit, spectator facilities, prebooked motorhome parking and volunteer marshalling.
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