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34,045EventsUnited States2026
SEP 2026
7SAT
19
SEP
2026 Swim Serpentine
London W2 2UH, GB
SAT
19
SEP
Courses et marches des 3 villes soeurs
Eu, FR
SUN
20
SEP
Votwo Eton Dorney Triathlons - September
Windsor, GB
SUN
20
SEP
Swim Long Eton Dorney September
Windsor SL4 6QL, GB
SUN
20
SEP
One on the River - Henley Triathlon
Henley-on-Thames RG9 3AS, GB
SUN
20
SEP
ATW St Neots Triathlon - Race3
Riverside Park, GB
SUN
20
SEP
Rallye des Falaises de la Seine - Grimpeur 76 - Le Havre
Le Havre, FR
2026 Swim Serpentine
Saturday, September 19, 2026 · London W2 2UH, United Kingdom
Start location
About this race
A one-day open water swim festival in London's Serpentine, Hyde Park. This site hosted the 2012 Olympic open water swim.