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Isasa Trail Xtrem
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Arnedo

Isasa Trail Xtrem

Sunday, 7 March 2027

3 distances · 16–46 km

Marathon

46km D+ 2600m

Half Marathon

23km D+ 1000m

Short Race

16km D+ 350m

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Isasa Trail Xtrem 2027: Registration

The Isasa Trail Xtrem is a trail running race around Arnedo (La Rioja), Spain's shoe-making capital and home of the Atom brand. With three distances from 16 to 46 km, it follows spectacular and lesser-known routes through the Riojan mountains, combining technical trails, ravines, and vineyard landscapes with views of the Sierra de Cebollera.

Opening soon

Got your bib? Here's what you still need

Top gear for Isasa Trail Xtrem

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Picked for this race's terrain, distance and elevation gain.

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Seasonal kit

Cold weather at Isasa Trail Xtrem: pack the winter kit

Layers, gloves, neck gaiter and footwear for running in the cold, with short-race and ultra versions.

See the full kit : What to Wear for Cold-Weather Trail Running 2026: The Complete Layering Kit

Gear up for Isasa Trail Xtrem

Buying guides with the best value for money, picked for this kind of terrain.

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Entry fees by distance

DistanceElevationPriceTime limitActions
Marathon46K2,600m D+50 EUR8h30Coming soon
Half Marathon23K1,000m D+30 EUR–Coming soon
Short Race16K350m D+20 EUR–Coming soon

How to register

  1. 1

    Go to the official race website using the registration button.

  2. 2

    Select the distance you want to run.

  3. 3

    Fill in the form with your personal details and federation license (if required).

  4. 4

    Complete the payment and save your registration confirmation.

What's included in your entry?

Race bib with timing chip, aid stations along the course, accident insurance during the race, access to finish line services (physiotherapy, showers, finisher meal) and an event t-shirt or memento.

Registration not open yet

The organizer hasn't activated online registration yet. Check the official website to stay up to date on the opening.

Visit official website ↗(opens in a new tab)

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