Seaford
Triathlon Calendar near Seaford 2026-2027
Monthly updates for Seaford
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Seaford for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Hever Castle Multisport Weekend offers triathlon, duathlon, aquabike, swim and run events across a range of distances in the historic Kent castle grounds.
March 2027
Indoor pool swim with a poolside transition and flat tarmac runs at Littlehampton Wave on 7 March 2027, offering 400m/5 km and 800m/10 km distances.
May 2027
Triathlon at Arundel Lido on 16 May 2027 with Standard and Sprint options, heated 25m pool swims, a rolling bike course and run routes near the castle.
July 2027
Pool-to-seafront aquathlon at Littlehampton Wave with two distances: HeatWave (800m swim, 10km run) and Micro-Wave (400m swim, 5km run).
A multi-distance triathlon day in Eastbourne on 11 July 2027 with open-water swims, fully closed-road cycling and seaside runs across youth and adult categories.
Monthly updates for Seaford
Get new running races (and updates) in your inbox every month.
August 2027
Supertri Brighton on 29 August 2027 features Supersprint, Sprint and Olympic triathlon distances on a fast, flat, traffic free seafront course from Hove Lawns along the Promenade.