RunThrough Trails — Trail Running Events Across Europe

International Trail Adventures

Europe

Where elevation meets endurance. Experience epic races across Europe's most dramatic landscapes, through Pine forests to Alpine peaks you'll experience views like never before.

🇪🇸Spain

UK Mountain & Trail Series

UK

Technical trail races in the UK's most iconic mountain and coastal landscapes. Real trails, real challenge.

Lake District

Apr 2027

23K · 53K

View Event

Find Your Distance

25K

The Gateway Distance

Rolling paths, forest tracks and scenic routes — designed for those ready to leave the road behind.

Elevation

300–1200m

Terrain

Mixed Trail

Time

2h – 5h

Level

15 Events Events at 25K

Europe

Girona

Girona, Spain

Lake District

Keswick, UK

Europe

Ascona-Locarno

Locarno, Switzerland

Europe

Morzine-Avoriaz

Morzine, France

Tittesworth Water

Leek, UK

South Downs

Waterlooville, UK

Brecon Beacons

Brecon, UK

View All 25K Events

What Runners Say

"An incredible experience from start to finish. The scenery was breathtaking and the organisation was flawless."

Sarah Mitchell

Ultra Trail Morzine 2025

"My first ultra and I could not have picked a better event. The aid stations were amazing."

James Thornton

Ladybower Summit 50K

"Perfect for beginners! Friendly atmosphere and beautiful trails through the forest."

Emma Clarke

Delamere Forest 10K

"World-class event in a stunning location. Will definitely be back next year."

Marco Bellini

Interlaken 42K 2025

"An incredible experience from start to finish. The scenery was breathtaking and the organisation was flawless."

Sarah Mitchell

Ultra Trail Morzine 2025

"My first ultra and I could not have picked a better event. The aid stations were amazing."

James Thornton

Ladybower Summit 50K

"Perfect for beginners! Friendly atmosphere and beautiful trails through the forest."

Emma Clarke

Delamere Forest 10K

"World-class event in a stunning location. Will definitely be back next year."

Marco Bellini

Interlaken 42K 2025

What is the ITRA Index?

The ITRA Performance Index is a tool for ranking athletes based on their performance level. The performance index can be used to compare the level of different trail runners around the world and is built on a scale up to a maximum of 1000 points. The top of the scale corresponds to the theoretical best possible performance.

Learn More

Podcast

The Trail
Running
Podcast

Stories, interviews and insights from the world of trail running. Hear from elite athletes, race directors and the everyday runners who make this community special.

All Episodes Spotify