Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 6:35 finish (an estimate) · starting 09:00 6 Jun. Dark means the sun below civil twilight.
Climbs
6 climbs · 2,166 m totalbiggest firstConditions typical race-day weather for 6 Jun at the start
Typical = the median of 2016–2025 for 6 Jun ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 4 years of this race
Past editions
Race-day highs at the start ran from 14° to 21°C, and 3 of 4 race days were wet.
| Year | Start °C | Rain | Wind |
|---|---|---|---|
| 2026 May 17 | 16°/7° | 8.9mm | 11km/h |
| 2024 May 26 | 18°/12° | 3.4mm | 12km/h |
| 2023 May 14 | 14°/11° | 12mm | 17km/h |
| 2022 May 29 | 21°/11° | dry | 13km/h |
Next race day Sun, Jun 6, 2027 · 9:00 AM start
First and last light are civil twilight, the sun 6° below the horizon. The moon is lit as at midnight after the start; headlamp hours count a typical finish from the start while the sun is below civil twilight. Worked out for the start line.
race-day weather from the Open-Meteo historical archive (ERA5) at the start line.
Reviews what runners who have been there say
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About this course
Zegama-Aizkorri Mendi Maratoia 42K — 2027 covers 42.4 km (26.4 mi) with 2,742 m (8,997 ft) of elevation gain. That is about 65 m per km of climbing, and 2,743 m of descent. The course tops out at 1,507 m and bottoms out at 296 m. The profile has 6 sustained climbs; the biggest is the climb from km 19.5, +508 m over 3.0 km at 16.8% on average (steepest stretch 39%). Race day is 6 June 2027, starting at 09:00; the sun rises at 06:32 and sets at 21:45. Typical race-day weather at the start: a high of 23°C and a low of 13°C, with a 59% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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Course history
- Oct 29, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Tenerife Bluetrail by UTMB Tenerife Bluetrail 47K44 km · 61 m/km · Provincia de Santa Cruz de TenerifeSame distance · Similar climbing
- Hornindal Rundt — 2025Jul · 38 km · 67 m/kmSame distance · Similar climbing
- Marathon du Mont-Blanc 42K — 2027Jun · 44 km · 74 m/kmSimilar weather · Same distance · Same month
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