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Endurance races calendar in September 2025 - 2026 in the United Kingdom

13 Valleys Ultra

Waterhead, United Kingdom
26-27 Sep, 2025 (Fri - Sat)
Trail running
22 km, 55 km, 110 km, 180 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
Swimming
1 mi, 2.5 km, 5 km
Trail running
10 km, 21.1 km, 42.195 km
This event also offers:Duathlon, Aquathlon, Aquabike

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

Punk Panther Yorkshire Reservoir Dogs

Otley Cricket Club, United Kingdom
27 Sep, 2025 (Sat)
Trail running
13 mi, 20 mi, 32 mi, 50 mi

Recommended for you

The Original Mendips

Shipham, United Kingdom
27 Sep, 2025 (Sat)
Trail running
7 km, 12 km, 22 km
The Original Mendips

The One on the Trail - Marlow - September

Bisham, United Kingdom
28 Sep, 2025 (Sun)
Trail running
1 km, 10 km, 21.1 km
The One on the Trail - Marlow - September

Robin Hood 100

South Wheatley, United Kingdom
12 Sep, 2026 (Sat)
Trail running
100 mi

Half the River Swim

YMCA Fairthorne Manor, United Kingdom
04 Sep, 2021 (Sat)
Swimming
4 km

Go Swim Loch Lomond

Balloch, United Kingdom
03 Sep, 2022 (Sat)
Swimming
250 m, 750 m, 1500 m, 3000 m, 5000 m, 10000 m

The Beast - Stairway to Heaven!

Corfe Castle, United Kingdom
04 Sep, 2022 (Sun)
Trail running
12.46 mi

This week’s best deals

Image of Standard Chartered Hanoi Marathon - Heritage Race
Up to 65% off
3.9

Standard Chartered Hanoi Marathon - Heritage Race

Hanoi, Vietnam
09 Nov, 2025 (Sun)
Running
From 16 USD40 USD
Image of Halong Bay Heritage Marathon
Up to 65% off
4.4

Halong Bay Heritage Marathon

Thành phố Hạ Long, Vietnam
23 Nov, 2025 (Sun)
Running
From 16 USD38 USD
Image of Can Tho Heritage Marathon
Up to 65% off
4.5

Can Tho Heritage Marathon

Vietnam, Vietnam
21 Dec, 2025 (Sun)
Running
From 16 USD40 USD
Image of Ultra Maratona Atlântica
Up to 60% off
5

Ultra Maratona Atlântica

Melides, Portugal
27 Jul, 2025 (Sun)
Trail running
From 11 USD28 USD
Image of Maga Circe Marathon
Up to 55% off
5
Map

Maga Circe Marathon

San Felice Circeo, Italy
01 Feb, 2026 (Sun)
Running, Walking
From 14 USD17 USD
Image of Apfel Arena Makarska Half Marathon
Up to 50% off

Apfel Arena Makarska Half Marathon

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

Trakai Triathlon

Trakai, Lithuania
29 Jun, 2025 (Sun)
Triathlon
From 28 USD55 USD
Image of Ostrava City Marathon
Up to 50% off
1

Ostrava City Marathon

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

Pula Marathon

Pula, Croatia
20 Sep, 2025 (Sat)
Nordic walking, Running
From 11 USD22 USD
Image of Sierra Blanca Estates Marbella Half Marathon
Up to 50% off
5
Map

Sierra Blanca Estates Marbella Half Marathon

Marbella, Spain
28 Sep, 2025 (Sun)
Running
From 17 USD
Image of Pisa Half Marathon
Up to 50% off

Pisa Half Marathon

Pisa, Italy
12 Oct, 2025 (Sun)
Running
From 11 USD22 USD
Image of Garda Trentino Half Marathon
Up to 50% off
4.8

Garda Trentino Half Marathon

Riva del Garda, Italy
09 Nov, 2025 (Sun)
Running
From 14 USD
Image of Palermo Marathon and Half Marathon
Up to 50% off
4.5

Palermo Marathon and Half Marathon

Palermo, Italy
16 Nov, 2025 (Sun)
Running
From 22 USD44 USD
Image of ZAGREB21 – Zagreb Spring Half Marathon powered by heineken 0.0
Up to 50% off
4.2

ZAGREB21 – Zagreb Spring Half Marathon powered by heineken 0.0

Zagreb, Croatia
21-22 Mar, 2026 (Sat - Sun)
Running
From 17 USD28 USD
Image of Sarajevo Half Marathon
Up to 49% off
4.3

Sarajevo Half Marathon

Sarajevo, Bosnia and Herzegovina
21 Sep, 2025 (Sun)
Running
From 29 USD57 USD
Image of Font Vella Lanzarote International Marathon
Up to 46% off
5

Font Vella Lanzarote International Marathon

Costa Teguise, Spain
05-06 Dec, 2025 (Fri - Sat)
Running, Wheelchair
From 9 USD17 USD
Image of Timisoara 21K
Up to 45% off
5
Map

Timisoara 21K

Timișoara, Romania
08 Mar, 2026 (Sun)
Running
From 21 USD39 USD
Image of EPIC Azores by Decathlon
Up to 45% off
Map

EPIC Azores by Decathlon

Vila Franca do Campo, Portugal
05-06 Dec, 2025 (Fri - Sat)
Trail running
From 22 USD33 USD
Image of Murcia Marathon
Up to 45% off
4.6

Murcia Marathon

Murcia, Spain
01 Feb, 2026 (Sun)
Running
From 16 USD26 USD
Image of Generali Malaga Marathon
Up to 43% off
4.7

Generali Malaga Marathon

Málaga, Spain
13-14 Dec, 2025 (Sat - Sun)
Running
From 14 USD20 USD

Registration just opened

Image of Maraton Monumental Primer Santiago de America
3

Maraton Monumental Primer Santiago de America

Santiago De Los Caballeros, Dominican Republic
30 Nov, 2025 (Sun)
Running
From 25 USD
Image of London 1.5k, 5k,10k and Half Marathon MoRun
Up to 26% off

London 1.5k, 5k,10k and Half Marathon MoRun

Londres, United Kingdom
02 Nov, 2025 (Sun)
Running
From 15 USD20 USD
Image of Poole 1.5k, 5k, 10k & Half Marathon MoRun
Up to 26% off

Poole 1.5k, 5k, 10k & Half Marathon MoRun

Upton, United Kingdom
08 Nov, 2025 (Sat)
Trail running
From 15 USD20 USD
Image of Liverpool 1.5k, 5k,10k & Half Marathon MoRun
Up to 26% off

Liverpool 1.5k, 5k,10k & Half Marathon MoRun

Merseyside, United Kingdom
15 Nov, 2025 (Sat)
Trail running
From 15 USD20 USD
Image of Pangsida Camp Trail
Up to 25% off

Pangsida Camp Trail

Tambon Tha Yaek, Thailand
16 Nov, 2025 (Sun)
Running, Trail running
From 17 USD21 USD
Image of Milton Keynes 1.5k, 5k & 10k MoRun
Up to 26% off

Milton Keynes 1.5k, 5k & 10k MoRun

Milton Keynes, United Kingdom
23 Nov, 2025 (Sun)
Trail running
From 15 USD20 USD
Image of Thailand Earth Trail Series Saraburi
Up to 33% off

Thailand Earth Trail Series Saraburi

Tambon Cha Om, Thailand
27 Jul, 2025 (Sun)
Trail running
From 29 USD44 USD
Image of Borneo Run Half Marathon

Borneo Run Half Marathon

Kuala Belait, Brunei
17 Aug, 2025 (Sun)
Running
From 30 USD
Image of Ultra Tour Mt. Siguniang (Four Sisters Mountain）
Map

Ultra Tour Mt. Siguniang (Four Sisters Mountain）

A Ba Zang Zu Qiang Zu Zi Zhi Zhou, China
31 Oct - 01 Nov, 2025 (Fri - Sat)
Trail running
From 150 USD
Image of Lam Dong Trail
Up to 37% off

Lam Dong Trail

Dalat, Vietnam
08-09 Nov, 2025 (Sat - Sun)
Trail running
From 24 USD37 USD
Image of VPBank Hanoi International Marathon

VPBank Hanoi International Marathon

Hanoi, Vietnam
26 Oct, 2025 (Sun)
Running
From 13 USD
Image of ZAGREB21 – Zagreb Spring Half Marathon powered by heineken 0.0
Up to 50% off
4.2

ZAGREB21 – Zagreb Spring Half Marathon powered by heineken 0.0

Zagreb, Croatia
21-22 Mar, 2026 (Sat - Sun)
Running
From 17 USD28 USD
Image of JOG&JOY Kilo Run

JOG&JOY Kilo Run

Bangkok, Thailand
13 Jul, 2025 (Sun)
Running
From 3 USD
Image of Scenic Half Marathon Rayong
Up to 16% off

Scenic Half Marathon Rayong

Rayong, Thailand
03 Aug, 2025 (Sun)
Running
From 23 USD25 USD
Image of Phuket Trail
Up to 33% off

Phuket Trail

Thalang District, Thailand
06-07 Sep, 2025 (Sat - Sun)
Trail running
From 24 USD36 USD
Image of 10/5 Milles Ciutat de Maó
Up to 22% off

10/5 Milles Ciutat de Maó

Maó, Spain
20 Sep, 2025 (Sat)
Running
From 19 USD25 USD
Image of Giro del lago di Chiusi
Up to 30% off

Giro del lago di Chiusi

Chiusi, Italy
21 Sep, 2025 (Sun)
Running, Nordic walking, Walking
From 11 USD14 USD
Image of Parma Marathon
Up to 40% off

Parma Marathon

Parma, Italy
19 Oct, 2025 (Sun)
Running
From 17 USD28 USD
Image of Valle dei Segni Wine Trail
Up to 40% off

Valle dei Segni Wine Trail

Darfo Boario Terme, Italy
25-26 Oct, 2025 (Sat - Sun)
Trail running
From 11 USD
Image of Ibiza Trail Maraton Festival
Up to 33% off

Ibiza Trail Maraton Festival

Sant Antoni de Portmany, Spain
25 Oct, 2025 (Sat)
Trail running
From 22 USD33 USD

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