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Triathlons 2025 - 2026 in the United Kingdom

ATW Dorney Triathlon - July

Windsor SL4 6FJ, UK, United Kingdom
13 Jul, 2025 (Sun)
Triathlon
400 m
10 km
2.5 km
750 m
20 km
5 km
 +1 more
This event also offers:Aquabike
From
76 USD
ATW Dorney Triathlon - July

The One on the River - Marlow - July

Buckinghamshire, United Kingdom
13 Jul, 2025 (Sun)
Triathlon
750 m
24 km
5 km
1900 m
91 km
20 km
 +1 more
This event also offers:Duathlon, Aquathlon, Swimming, Aquabike
From
33 USD
The One on the River - Marlow - July

IRONMAN 70.3 Swansea

Swansea, United Kingdom
13 Jul, 2025 (Sun)
Triathlon
1.9 km
90 km
21.1 km

Belvoir Castle Multisport Festival

Belvoir Castle, United Kingdom
18-19 Jul, 2025 (Fri - Sat)
Triathlon
750 m
23 km
5 km
200 m
13 km
2.5 km
 +4 more
This event also offers:Running, Duathlon, Aquathlon, Swimming, Aquabike

Recommended for you

Bedford Triathlon Team Relays

Box End, United Kingdom
20 Jul, 2025 (Sun)
Triathlon
750 m
20 km
5 km
From
238 USD
Bedford Triathlon Team Relays

TriBourne Festival of Endurance

East Sussex, United Kingdom
20 Jul, 2025 (Sun)
Triathlon
1.2 mi
56 mi
13.1 mi
2.4 mi
112 mi
26.2 mi
This event also offers:Running, Swimming, Aquabike
From
59 USD
TriBourne Festival of Endurance

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
312 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

Full X

Ambleside, United Kingdom
18 Jun, 2023 (Sun)
Triathlon
3.8 km
180 km
42 km

This week’s best deals

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Up to 65% off
4.4

Halong Bay Heritage Marathon

Thành phố Hạ Long, Vietnam
23 Nov, 2025 (Sun)
Running
From 16 USD38 USD
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Up to 65% off
4.5

Can Tho Heritage Marathon

Vietnam, Vietnam
21 Dec, 2025 (Sun)
Running
From 16 USD40 USD
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Up to 60% off
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Melides, Portugal
27 Jul, 2025 (Sun)
Trail running
From 11 USD28 USD
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Maga Circe Marathon

San Felice Circeo, Italy
01 Feb, 2026 (Sun)
Running, Walking
From 14 USD17 USD
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Up to 54% off
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Timisoara 21K

Timișoara, Romania
08 Mar, 2026 (Sun)
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From 18 USD39 USD
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5

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Qui Nhơn, Vietnam
15 Jun, 2025 (Sun)
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From 16 USD33 USD
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Apfel Arena Makarska Half Marathon

Makarska, Croatia
25-26 Oct, 2025 (Sat - Sun)
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From 25 USD41 USD
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Up to 50% off

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Narva, Estonia
28-29 Jun, 2025 (Sat - Sun)
Running
From 6 USD11 USD
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Up to 50% off

Trakai Triathlon

Trakai, Lithuania
29 Jun, 2025 (Sun)
Triathlon
From 28 USD55 USD
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Up to 50% off
4.6

Hyundai Porto Half Marathon

Porto, Portugal
14 Sep, 2025 (Sun)
Running
From 11 USD17 USD
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Up to 50% off
1

Ostrava City Marathon

Ostrava, Czech Republic
14 Sep, 2025 (Sun)
Running
From 7 USD11 USD
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Up to 50% off
5
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Pula Marathon

Pula, Croatia
20 Sep, 2025 (Sat)
Nordic walking, Running
From 11 USD22 USD
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Up to 50% off
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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Up to 50% off

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 14 USD
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Up to 50% off
4.5

Palermo Marathon and Half Marathon

Palermo, Italy
16 Nov, 2025 (Sun)
Running
From 22 USD44 USD
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Up to 49% off
4.3

Sarajevo Half Marathon

Sarajevo, Bosnia and Herzegovina
21 Sep, 2025 (Sun)
Running
From 29 USD57 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 25 USD46 USD
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Up to 45% off
4.6

Murcia Marathon

Murcia, Spain
01 Feb, 2026 (Sun)
Running
From 16 USD26 USD
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Up to 44% off

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Vi Thanh, Vietnam
06 Jul, 2025 (Sun)
Running
From 22 USD39 USD

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Up to 14% off
5

Dune Marathon - Run in the desert

Merzouga, Morocco
22 Feb, 2026 (Sun)
Running, Trail running
From 31 USD
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4.8

Zurich San Sebastián Marathon

Donostia - San Sebastian, Spain
23 Nov, 2025 (Sun)
Running
From 23 USD
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Up to 51% off
5

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Qui Nhơn, Vietnam
15 Jun, 2025 (Sun)
Running
From 16 USD33 USD
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Marmaris Ultra

Marmaris, Turkey
15-16 Nov, 2025 (Sat - Sun)
Trail running
From 44 USD
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Run For Pompey - Exuma Half Marathon

Exuma, Bahamas
15 Nov, 2025 (Sat)
Running
From 25 USD
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Up to 54% off
5
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Timisoara 21K

Timișoara, Romania
08 Mar, 2026 (Sun)
Running
From 18 USD39 USD
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Formentera to Run

El Pilar de la Mola, Spain
01 Jun, 2025 (Sun)
Running
From 329 USD
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Snetterton, United Kingdom
30 Jul, 2025 (Wed)
Running
From 25 USD
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Up to 21% off

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Ao Nang, Thailand
06-07 Sep, 2025 (Sat - Sun)
Running
From 17 USD20 USD
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Up to 50% off

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Makarska, Croatia
25-26 Oct, 2025 (Sat - Sun)
Running
From 25 USD41 USD
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X-WATERS Thailand

Karon Beach, Thailand
16 Feb, 2026 (Mon)
Swimming
From 21 USD
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Ashley, United Kingdom
15 Feb, 2026 (Sun)
Running
From 16 USD
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The Winter GMU

Bristol, United Kingdom
07 Mar, 2026 (Sat)
Running
From 104 USD
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Up to 55% off
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Maga Circe Marathon

San Felice Circeo, Italy
01 Feb, 2026 (Sun)
Running, Walking
From 14 USD17 USD
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Corrida Porto de Leixões

Matosinhos, Portugal
21 Sep, 2025 (Sun)
Running
From 8 USD11 USD
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Up to 19% off

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Kapong, Thailand
07-08 Jun, 2025 (Sat - Sun)
Trail running
From 30 USD36 USD
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Grampians Peaks Trail 100 Miler

Laharum, Australia
06-07 Nov, 2025 (Thu - Fri)
Trail running
From 207 USD
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Marathon San Jose Costa Rica

San José, Costa Rica
07 Dec, 2025 (Sun)
Running
From 30 USD
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Napoli City Half Marathon

Naples, Italy
22 Feb, 2026 (Sun)
Running
From 44 USD
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Up to 18% off
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Silverstone Circuit, Towcester, UK, United Kingdom
23 Nov, 2025 (Sun)
Running
From 23 USD

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