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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
Aquabike
750 m
30 km
1500 m
54 km
 +1 more
This event also offers:Swimming
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
Aquabike
1500 m
40 km
750 m
20 km
This event also offers:Duathlon, Aquathlon, Swimming, 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
Aquabike
1500 m
40 km
750 m
20 km
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

Tough Mudder Midlands

Drumlanrig Castle, Thornhill, United Kingdom
14-15 Aug, 2021 (Sat - Sun)
Obstacle race
5 km, 10 mi

Mud Monsters Run June

Stuart Way, United Kingdom
05 Jun, 2022 (Sun)
Obstacle race
10 km

Tough Mudder South West

Cirencester Park, United Kingdom
20-21 Aug, 2022 (Sat - Sun)
Obstacle race
5 km, 10 km, 15 km

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09 Nov, 2025 (Sun)
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Corri Trieste

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29 Jun, 2025 (Sun)
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14 Sep, 2025 (Sun)
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14 Sep, 2025 (Sun)
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Pula Marathon

Pula, Croatia
20 Sep, 2025 (Sat)
Nordic walking, Running
From 11 USD22 USD
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5
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Sierra Blanca Estates Marbella Half Marathon

Marbella, Spain
28 Sep, 2025 (Sun)
Running
From 17 USD
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Pisa Half Marathon

Pisa, Italy
12 Oct, 2025 (Sun)
Running
From 11 USD22 USD
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Up to 50% off
4.8

Garda Trentino Half Marathon

Riva del Garda, Italy
09 Nov, 2025 (Sun)
Running
From 13 USD
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4.5

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16 Nov, 2025 (Sun)
Running
From 22 USD44 USD
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Up to 49% off
4.2

Sarajevo Half Marathon

Sarajevo, Bosnia and Herzegovina
21 Sep, 2025 (Sun)
Running
From 29 USD56 USD
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Up to 47% off
5

XI Stellantis&you port de palma triathlon mallorca

Palma, Spain
21 Sep, 2025 (Sun)
Triathlon
From 24 USD46 USD
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Murcia, Spain
01 Feb, 2026 (Sun)
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Cairns Marathon

Cairns, Australia
13 Jul, 2025 (Sun)
Running, Walking
From 23 USD33 USD
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4.5

Sunshine Coast Marathon Festival

Mooloolaba, Australia
03 Aug, 2025 (Sun)
Running, Walking
From 23 USD33 USD
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Up to 42% off

Västerås Swimrun

Jollekappseglarna Västerås, Sweden
16 Aug, 2025 (Sat)
Swimrun
From 118 USD172 USD
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Up to 42% off

Trento Half Marathon

Trento, Italy
05 Oct, 2025 (Sun)
Running
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Up to 30% off
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Ston Wall Marathon

Ston, Croatia
21 Sep, 2025 (Sun)
Running
From 33 USD44 USD
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Up to 65% off
3.9

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09 Nov, 2025 (Sun)
Running
From 16 USD40 USD
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Iznik Ultramarathon

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18-20 Apr, 2025 (Fri - Sun)
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Biomedical Campus BSD City, Indonesia
11 May, 2025 (Sun)
Running
From 24 USD
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Up to 35% off

Käringsund Triathlon

Käringsundby, Åland Islands
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Up to 50% off
5

Meia Maratona Matosinhos

Matosinhos, Portugal
04 May, 2025 (Sun)
Running, Walking
From 8 USD16 USD
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Up to 33% off
5

Monterosa Est Himalayan Trail

Macugnaga, Italy
02 Aug, 2025 (Sat)
Trail running
From 22 USD33 USD
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Pokhara, Nepal
17 May, 2025 (Sat)
Trail running
From 66 USD
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Up to 60% off
5

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Melides, Portugal
27 Jul, 2025 (Sun)
Trail running
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Betong District, Thailand
02-04 May, 2025 (Fri - Sun)
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5

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09-10 May, 2025 (Fri - Sat)
Trail running
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Riva del Garda, Italy
09 Nov, 2025 (Sun)
Running
From 13 USD
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Up to 50% off
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