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Endurance races calendar 2025 - 2026 in the United Kingdom
The One on the River - Marlow - July
Buckinghamshire, United Kingdom
13 Jul, 2025 (Sun)
Aquathlon
1500 m
10 km
1900 m
20 km
Swimming
750 m, 1500 m, 3000 m
This event also offers:Duathlon, Triathlon, Aquabike
From
33 USD
Belvoir Castle Multisport Festival
Belvoir Castle, United Kingdom
18-19 Jul, 2025 (Fri - Sat)
Swimming
1 mi, 2.5 km, 5 km
Aquathlon
1500 m
10.5 km
750 m
5 km
This event also offers:Running, Duathlon, Triathlon, Aquabike
TriBourne Festival of Endurance
East Sussex, United Kingdom
20 Jul, 2025 (Sun)
Swimming
1.9 km, 3.8 km
This event also offers:Running, Triathlon, Aquabike
From
59 USD
Club to Pub
Henley-on-Thames, United Kingdom
26 Jul, 2025 (Sat)
Swimming
1.5 km
Recommended for you
Dyfi Aquathlon
Aberdyfi, United Kingdom
27 Jul, 2025 (Sun)
Aquathlon
13 km
13 km
From
130 USD
Dawlish Swim
Devon, United Kingdom
21 Sep, 2025 (Sun)
Swimming
750 m, 1500 m, 3000 m
From
35 USD
Eton Dorney Swim Long
Windsor SL4 6FJ, UK, United Kingdom
21 Sep, 2025 (Sun)
Swimming
2.5 km, 3.8 km, 5 km, 10 km
Map
From
39 USD
The One on the River - Henley
Buckinghamshire, United Kingdom
21 Sep, 2025 (Sun)
Swimming
750 m, 1500 m, 3000 m
This event also offers:Triathlon, Aquabike
From
33 USD
Hever Castle Multisport Festival
Hever, United Kingdom
26-27 Sep, 2025 (Fri - Sat)
Swimming
1 mi, 2.5 km, 5 km
Aquathlon
750 m
5 km
1500 m
10 km
This event also offers:Duathlon, Triathlon, Aquabike, Trail running
Scurry Yellowcraig Sea Swim / Run Festival
Yellowcraig Beach, United Kingdom
31 Dec, 2025 (Wed)
Aquathlon
2 km
10 km
Swimming
2 km
This event also offers:Swimrun, Trail running
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