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Trail running races 2025 - 2026: half marathons en Colorado

Latino Ultra Nature Adventure

Golden Gate Canyon State Park, USA
01 Jun, 2024 (Sat)
Trail running
13.1 mi +3 more

Mountain Ridge Half Marathon & 10K

Highlands Ranch, USA
01 Jun, 2024 (Sat)
Trail running
13.1 mi +2 more

Mountain Ridge Trail Race

Highlands Ranch, USA
01 Jun, 2024 (Sat)
Trail running
21.1 km +3 more

Emerald Mountain Epic

Steamboat Springs, USA
04 Aug, 2024 (Sun)
Trail running
21.1 km +1 more

Recommended for you

Westminster Trail Half Marathon, 10K, 5K

Westminster, USA
24 Aug, 2024 (Sat)
Trail running
21.097 km +2 more

Calarat Challenge Trail Running Festival

Jamestown, USA
01 Sep, 2024 (Sun)
Trail running
13.1 mi +4 more
This event also offers:Running

Snow Mtn Ranch Trail Running Festival

Granby, USA
21 Sep, 2024 (Sat)
Trail running
21.097 km +4 more

Sunny Half

Glenwood Springs, USA
22 Sep, 2024 (Sun)
Trail running
13.1 mi
This event also offers:Mountain biking, Bike & run

The Sunlight Showdown

Glenwood Springs, USA
22 Sep, 2024 (Sun)
Trail running
13.1 mi
This event also offers:Mountain biking, Duathlon

Louisville Trail Half Marathon, 10K, 5K

Louisville, USA
28 Sep, 2024 (Sat)
Trail running
21.097 km +2 more

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 13 USD17 USD
Image of VnExpress Marathon Sparkling Quy Nhon
Up to 51% off
5

VnExpress Marathon Sparkling Quy Nhon

Qui Nhơn, Vietnam
15 Jun, 2025 (Sun)
Running
From 16 USD33 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 24 USD40 USD
Image of Narva Energy Run
Up to 50% off

Narva Energy Run

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

Trakai Triathlon

Trakai, Lithuania
29 Jun, 2025 (Sun)
Triathlon
From 28 USD55 USD
Image of Hyundai Porto Half Marathon
Up to 50% off
4.6

Hyundai Porto Half Marathon

Porto, Portugal
14 Sep, 2025 (Sun)
Running
From 11 USD17 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 13 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 Sarajevo Half Marathon
Up to 49% off
4.3

Sarajevo Half Marathon

Sarajevo, Bosnia and Herzegovina
21 Sep, 2025 (Sun)
Running
From 29 USD56 USD
Image of XI Stellantis&you port de palma triathlon mallorca
Up to 47% off
5

XI Stellantis&you port de palma triathlon mallorca

Palma, Spain
21 Sep, 2025 (Sun)
Triathlon
From 24 USD46 USD
Image of Timisoara 21K
Up to 45% off
5
Map

Timisoara 21K

Timișoara, Romania
08 Mar, 2026 (Sun)
Running
From 21 USD38 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

Registration just opened

Image of Khong Chiangdoa by UTCM
Up to 34% off
4
Map

Khong Chiangdoa by UTCM

9PQ7+8QF, Thailand
10-12 Oct, 2025 (Fri - Sun)
Trail running
From 39 USD47 USD
Image of EastWest Dream Run - Davao

EastWest Dream Run - Davao

Davao City, Philippines
06 Apr, 2025 (Sun)
Running, Dog run
From 16 USD
Image of Earth Day Run - Manila

Earth Day Run - Manila

Pasay, Philippines
27 Apr, 2025 (Sun)
Running
From 21 USD
Image of Earth Day Run - Davao

Earth Day Run - Davao

Davao City, Philippines
27 Apr, 2025 (Sun)
Running
From 21 USD
Image of Earth Day Run - Cebu

Earth Day Run - Cebu

Cebu City, Philippines
27 Apr, 2025 (Sun)
Running
From 21 USD
Image of EastWest Dream Run - Cebu

EastWest Dream Run - Cebu

Cebu City, Philippines
04 May, 2025 (Sun)
Running, Dog run
From 16 USD
Image of IRONMAN 70.3 Acapulco

IRONMAN 70.3 Acapulco

Acapulco de Juárez, Mexico
09 Nov, 2025 (Sun)
Triathlon
From 276 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 500 Thailand
Up to 30% off
Map

500 Thailand

Pai, Thailand
11 Jan, 2026 (Sun)
Trail running
From 133 USD177 USD
Image of MBNA Chester 10K
Up to 14% off
Map

MBNA Chester 10K

Chester, United Kingdom
08 Mar, 2026 (Sun)
Running
From 45 USD52 USD
Image of Women's Run PH - Iloilo
Up to 16% off

Women's Run PH - Iloilo

Iloilo City, Philippines
20 Jul, 2025 (Sun)
Running
From 18 USD21 USD
Image of Nature Marathon Tessenderlo
Up to 27% off
4

Nature Marathon Tessenderlo

Tessenderlo, Belgium
18 Oct, 2025 (Sat)
Trail running
From 30 USD40 USD
Image of Half Marathon Almada
Up to 19% off

Half Marathon Almada

Almada, Portugal
06 Apr, 2025 (Sun)
Running, Walking
From 5 USD6 USD
Image of Kao Pratubchang Trail

Kao Pratubchang Trail

Hin Kong, Thailand
14-15 Jun, 2025 (Sat - Sun)
Trail running
From 12 USD
Image of TRITON World Finals - Portimão

TRITON World Finals - Portimão

Portimão, Portugal
24 Oct, 2025 (Fri)
Triathlon
From 299 USD
Image of Dune Marathon - Run in the desert
Up to 14% off
5

Dune Marathon - Run in the desert

Merzouga, Morocco
22 Feb, 2026 (Sun)
Running, Trail running
From 31 USD
Image of Zurich San Sebastián Marathon
4.8

Zurich San Sebastián Marathon

Donostia - San Sebastian, Spain
23 Nov, 2025 (Sun)
Running
From 23 USD
Image of BAYMAN Triathlon

BAYMAN Triathlon

Le Mont-Saint-Michel, France
11-12 Oct, 2025 (Sat - Sun)
Triathlon
From 222 USD
Image of VnExpress Marathon Sparkling Quy Nhon
Up to 51% off
5

VnExpress Marathon Sparkling Quy Nhon

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

Marmaris Ultra

Marmaris, Turkey
15-16 Nov, 2025 (Sat - Sun)
Trail running
From 44 USD

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