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Trail & ultra · Independent (GTWS stop in 2026) · ★ Iconic

Zegama-Aizkorri Mendi Maratoia 2027

Sunday, June 6, 2027

🇪🇸 Zegama · Spain

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The events

Mountain marathon 42 km

When to start training

In trail running, training time depends on your finish time, not only on the distance. For this edition:

Trail under 3h3012 weeks · ideal start March 15, 2027
Trail of 3h30 to 5h3016 weeks · ideal start February 15, 2027
Trail of 5h30 to 8h20 weeks · ideal start January 18, 2027
Ultra of 8 to 16h24 weeks · ideal start December 21, 2026
Ultra over 16h24 weeks · ideal start December 21, 2026
Your plan up to race day, in CadeviaThe Coach builds every week until the race, around your days and your level.Join the beta →

Tools for this race

Your hill pace, converted to flatWhat to drink and eat during exerciseYour 7 heart rate zonesYour maximal aerobic speed and training paces

Frequently asked questions

When is Zegama-Aizkorri Mendi Maratoia 2027?

Zegama-Aizkorri Mendi Maratoia 2027 takes place on Sunday, June 6, 2027, in Zegama (Spain). Date read on October 15, 2026 from its official source.

Does Cadevia organise this race?

No. Cadevia is a training app: we read the dates from the official sources to help you choose and prepare your race. Entries are handled by the organiser.

Where

🇪🇸 Zegama · Spain

Same weekend

Sat29MayGiro d'Italia Women🇮🇹 Italy★ IconicPros only — to followWomen's Grand Tour, 9 days (stages…Sat5Jun2027 World Triathlon Mixed Team Relay Championships Rome🇮🇹 Rome · Italy★ IconicPros only — to followMixed Relay World Championships (e…Thu27MayHYROX New York🇺🇸 New York · United StatesOpen / Pro / Doubles / RelaySat5JunMozart 100 by UTMB🇦🇹 Fuschl am See · Austriamozart 100mozart Ultra

Trail: around the same time

Thu1AprIstria 100 by UTMB🇭🇷 Umag (Istrie) · CroatiaIstria 168KIstria 110KThu8AprTenerife Bluetrail by UTMB🇪🇸 Puerto de la Cruz (Tenerife) · SpainTENERIFE BLUETRAIL 110KTENERIFE BLUETRAIL 73KFri23AprGrand Raid Ventoux by UTMB🇫🇷 Malaucène · France100M (UGP)100K (GEV)Fri30AprOh Meu Deus by UTMB🇵🇹 Seia · Portugal100M100K

Where this comes from

Date and place read on October 15, 2026 from its official source.

Cadevia does not organise this race. Spotted a mistake? Tell us.

Places: GeoNames (CC BY 4.0) and © OpenStreetMap contributors (ODbL). Base map: Natural Earth (public domain). Logos belong to their organisers and are shown so each race is easy to recognise — Cadevia has no link with them, and any logo is removed on request. Flags: flag-icons (MIT licence).