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Running races 2025 - 2026: half marathons en Colorado

Boulder Rez Marathon

Boulder Reservoir, Boulder, USA
02 Aug, 2025 (Sat)
Running
21.097 km +3 more

Hero Hustle Colorado Springs

Colorado Springs, USA
02 Aug, 2025 (Sat)
Running
13.1 mi +4 more

Rocky Mountain Half Marathon

Estes Park, USA
02 Aug, 2025 (Sat)
Running
13.1 mi +2 more
Rocky Mountain Half Marathon

Run for Wine & Cheese 5K/10K/13.1 DENVER/AURORA

Centennial, USA
02 Aug, 2025 (Sat)
Running
13.1 mi +3 more

Recommended for you

Singles & Friends Running Club 5K/10K/13.1 DENVER/AURORA

Centennial, USA
02 Aug, 2025 (Sat)
Running
13.1 mi +3 more

I'm Bound for Boston Marathon & Half Marathon - Denver

Denver, USA
03 Aug, 2025 (Sun)
Running
13.1 mi +1 more

The Choice City Running Event

Fort Collins, USA
08 Aug, 2025 (Fri)
Running
13.1 mi +3 more

Fort Collins Human Race

Fort Collins, USA
09 Aug, 2025 (Sat)
Running
21.1 km +2 more

Mt. Sneffels Marathon/Half

Ouray, USA
16 Aug, 2025 (Sat)
Running
21.097 km +1 more
Mt. Sneffels Marathon/Half

Endurance House Erie Half & 5k

Erie, USA
17 Aug, 2025 (Sun)
Running
13.1 mi +1 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 USD27 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 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 Trakai Triathlon
Up to 50% off

Trakai Triathlon

Trakai, Lithuania
29 Jun, 2025 (Sun)
Triathlon
From 27 USD54 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 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 USD27 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 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 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
Image of Murcia Marathon
Up to 45% off
4.6

Murcia Marathon

Murcia, Spain
01 Feb, 2026 (Sun)
Running
From 16 USD25 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 13 USD20 USD

Registration just opened

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 USD27 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 USD24 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 USD13 USD
Image of Parma Marathon
Up to 40% off

Parma Marathon

Parma, Italy
19 Oct, 2025 (Sun)
Running
From 17 USD27 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 38% off

Ibiza Trail Maraton Festival

Sant Antoni de Portmany, Spain
25 Oct, 2025 (Sat)
Trail running
From 22 USD33 USD
Image of Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun
Up to 26% off

Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun

Kent, United Kingdom
01 Nov, 2025 (Sat)
Running
From 15 USD20 USD
Image of Nottingham 1.5k, 5k, 10k & Half Marathon MoRun
Up to 26% off

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

Nottingham, United Kingdom
01 Nov, 2025 (Sat)
Running
From 15 USD20 USD
Image of Birmingham 1.5k, 5k,10k & Half Marathon MoRun
Up to 26% off

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

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

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

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

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

Southampton, United Kingdom
09 Nov, 2025 (Sun)
Trail running
From 15 USD20 USD
Image of Bristol 1.5k, 5k & 10k MoRun
Up to 26% off

Bristol 1.5k, 5k & 10k MoRun

Long Ashton, United Kingdom
09 Nov, 2025 (Sun)
Trail running
From 15 USD20 USD
Image of Newcastle 1.5k, 5k, 10k & Half Marathon MoRun
Up to 26% off

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

Tyne and Wear, United Kingdom
15 Nov, 2025 (Sat)
Running
From 15 USD20 USD
Image of Manchester 1.5k, 5k,10k & Half Marathon MoRun
Up to 26% off

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

Greater Manchester, United Kingdom
16 Nov, 2025 (Sun)
Trail running
From 15 USD20 USD
Image of The York 1.5k, 5k, 10k & Half Marathon MoRun
Up to 26% off

The York 1.5k, 5k, 10k & Half Marathon MoRun

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

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

Derby, United Kingdom
22 Nov, 2025 (Sat)
Running
From 15 USD20 USD

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