Endurance races calendar 2024 - 2025 in the United Kingdom
105 events
Eton Dorney Triathlons
Windsor SL4 6FJ, UK, United Kingdom
21 Sep, 2025 (Sun)
Triathlon
450 m
10 km
2.5 km
750 m
20 km
5 km
Price from
79 USD
The One on the River - Henley
Buckinghamshire, United Kingdom
21 Sep, 2025 (Sun)
Triathlon
1900 m
78.5 km
20 km
1500 m
54 km
10 km
Aquabike
750 m
30 km
1500 m
54 km
This event also offers:Swimming
Price from
32 USD
IRONMAN Wales
Tenby, United Kingdom
21 Sep, 2025 (Sun)
Triathlon
3.8 km
180 km
42.195 km
Hever Castle Multisport Festival
Hever, United Kingdom
26-27 Sep, 2025 (Fri - Sat)
Triathlon
400 m
20 km
4 km
1500 m
40 km
10 km
Aquabike
1500 m
40 km
750 m
20 km
This event also offers:Duathlon, Aquathlon, Swimming, Trail running
Recommended for you
THE ROC Scotland
Highland Council, United Kingdom
04 Oct, 2025 (Sat)
Triathlon
1.5 km
27 km
17 km
26 km
1.5 km
Price from
306 USD
Torbay Triathlon Autumn
Torbay Velopark, United Kingdom
05 Oct, 2025 (Sun)
Triathlon
24.9 km
400 m
19.5 km
5 km
13.3 km
300 m
10.5 km
2.5 km
Price from
45 USD
OUTLAW Half Nottingham
Holme Pierrepont, United Kingdom
21 May, 2023 (Sun)
Triathlon
1.2 mi
56 mi
13.1 mi
Full X
Ambleside, United Kingdom
18 Jun, 2023 (Sun)
Triathlon
3.8 km
180 km
42 km
Half X
Ambleside, United Kingdom
18 Jun, 2023 (Sun)
Triathlon
1.2 mi
90 km
21 km
Triathlon X Ultra Festival Weekend
Ambleside, United Kingdom
18 Jun, 2023 (Sun)
Triathlon
2.4 mi
180 km
42 km
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