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

Hever Castle Multisport Festival

Hever, United Kingdom
26-27 Sep, 2025 (Fri - Sat)
Swimming
1 mi, 2.5 km, 5 km
Aquabike
1500 m
40 km
750 m
20 km
This event also offers:Duathlon, Triathlon, Aquathlon, Trail running

Half the River Swim

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

Brass Monkey

Deepcut, United Kingdom
12 Sep, 2021 (Sun)
Mountain biking
2 hrs, 4 hrs, 6 hrs

Go Swim Loch Lomond

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

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Dorset Dirt

Dorchester, United Kingdom
04 Sep, 2022 (Sun)
Gravel biking
50 km

Elan Valley MTB Challenge

LD6 5DP, United Kingdom
04 Sep, 2022 (Sun)
Mountain biking
30 km, 55 km

Hell of the North Cotswolds

Winchcombe, United Kingdom
04 Sep, 2022 (Sun)
Mountain biking
50 km, 75 km, 100 km

Go Swim Loch Morlich

Loch Morlich Beach, United Kingdom
17 Sep, 2022 (Sat)
Swimming
250 m, 750 m, 1500 m, 3000 m, 5000 m, 10000 m
This event also offers:Aquathlon

Borderlands Gravel

Fremington, United Kingdom
03 Sep, 2023 (Sun)
Gravel biking
100 km

King's Cup Gravel

Suffolk, United Kingdom
16-17 Sep, 2023 (Sat - Sun)
Gravel biking
15.3 km, 40 km, 100 km

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
4.3

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 Ta Nang Ultra Trail
Up to 45% off

Ta Nang Ultra Trail

Đức Trọng, Vietnam
21-22 Nov, 2025 (Fri - Sat)
Trail running
From 37 USD68 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

Registration just opened

Image of Thailand Swimathon presented by TriFactor
Up to 25% off

Thailand Swimathon presented by TriFactor

Chon Buri, Thailand
20-21 Dec, 2025 (Sat - Sun)
Swimming
From 16 USD22 USD
Image of Podgorica Millennium Run
Up to 27% off
4

Podgorica Millennium Run

Podgorica, Montenegro
09 Nov, 2025 (Sun)
Running
From 22 USD28 USD
Image of Trilho Urbano de São Vicente
Up to 22% off

Trilho Urbano de São Vicente

Lisboa, Portugal
11 May, 2025 (Sun)
Running, Walking
From 8 USD10 USD
Image of JTBC Seoul Marathon
4.6

JTBC Seoul Marathon

Seoul, South Korea
02 Nov, 2025 (Sun)
Running
From 80 USD
Image of Maratona di San Valentino
Up to 34% off
5

Maratona di San Valentino

Terni, Italy
15 Feb, 2026 (Sun)
Running
From 26 USD39 USD
Image of Faro Fuerteventura

Faro Fuerteventura

Jandia, Spain
22 Jun, 2025 (Sun)
Cycling
From 39 USD
Image of Manila Marathon

Manila Marathon

MOA Concert Grounds, Philippines
10 Aug, 2025 (Sun)
Running
From 21 USD
Image of AU Jaipur Maraton
1

AU Jaipur Maraton

Jaipur, India
01 Feb, 2026 (Sun)
Running
From 13 USD
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 ZAGREB21 – Zagreb Spring Half Marathon powered by heineken 0.0
Up to 50% off
4.3

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

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