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Endurance races calendar 2025 - 2026 in the United Kingdom

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
 +1 more
This event also offers:Swimming, Aquabike
From
33 USD
The One on the River - Henley

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
 +4 more
Aquathlon
750 m
5 km
1500 m
10 km
This event also offers:Duathlon, Swimming, Aquabike, Trail running

ATW Dorney Triathlon - September

Windsor SL4 6FJ, UK, United Kingdom
27 Sep, 2025 (Sat)
Triathlon
750 m
20 km
5 km
1500 m
40 km
10 km
 +1 more
This event also offers:Aquabike
From
75 USD
ATW Dorney Triathlon - September

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
From
310 USD
THE ROC Scotland

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
From
46 USD
Torbay Triathlon Autumn

the Last tri - Gloucestershire

Gloucestershire, United Kingdom
05 Oct, 2025 (Sun)
Triathlon
400 m
23 km
5 km
750 m
40 km
10 km

Rain, Shine or Gale Force 9

Crewe, United Kingdom
07 Dec, 2025 (Sun)
Cycling
200 km

Scurry Yellowcraig Sea Swim / Run Festival

Yellowcraig Beach, United Kingdom
31 Dec, 2025 (Wed)
Aquathlon
2 km
10 km
This event also offers:Swimrun, Swimming, Trail running

Go Swim Loch Tay

Kenmore, United Kingdom
20 Aug, 2022 (Sat)
Aquathlon
750 m
5 km
This event also offers:Swimming

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29 Jun, 2025 (Sun)
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Pula, Croatia
20 Sep, 2025 (Sat)
Nordic walking, Running
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28 Sep, 2025 (Sun)
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12 Oct, 2025 (Sun)
Running
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From 14 USD
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Running
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21 Sep, 2025 (Sun)
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21 Sep, 2025 (Sun)
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13 Jul, 2025 (Sun)
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Mooloolaba, Australia
03 Aug, 2025 (Sun)
Running, Walking
From 23 USD33 USD
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Jollekappseglarna Västerås, Sweden
16 Aug, 2025 (Sat)
Swimrun
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Trento, Italy
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05 Oct, 2025 (Sun)
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Trail running
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EN3, Portugal, Portugal
24 Oct, 2025 (Fri)
Trail running
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21 Sep, 2025 (Sun)
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Up to 65% off
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09 Nov, 2025 (Sun)
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18-20 Apr, 2025 (Fri - Sun)
Trail running
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05 Oct, 2025 (Sun)
Running
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