Photo: Asier Sarasua Aranberri (Wikimedia Commons, CC BY-SA 2.0)Atxondo
Sorginen Lasterketa
Sunday, 4 October 2026
When is Sorginen Lasterketa 2026?
Sunday, 4 October 2026
Race date
Sunday, 4 October 2026
Atxondo
18
18 days until the race
Next edition (estimated date)
- 20273 October 2027estimated date
Date estimated from the previous edition. The organiser has not published the official schedule yet; we will update this page as soon as it is confirmed.
Add to calendar
Add race dateExpected weather
12° – 21°
raceDate.weather.temperature
💧
40%
raceDate.weather.rain
💨
13 km/h
raceDate.weather.wind
☀️
8h
raceDate.weather.sunshine
Race summary
Distance
21K
Elevation Gain
1,700m D+
Terrain
Mountain
Difficulty
Advanced
Distances
| Trail 21K | 21K | 1,700m D+ | – |
| Trail 11K | 11.7K | 890m D+ | – |
Other races in October 2026
Schwarzwald-Marathon
Bräunlingen
58th edition in 2026: the world's most veteran forest marathon, with +620 m of elevation gain through Black Forest pine woods.
RunThrough Trails Berchtesgaden
Berchtesgaden
RunThrough's German debut: 44K of pure alpine trail between the Watzmann and Lake Königssee, with +2,200 m of elevation gain.
Harz-Gebirgslauf (Brocken-Marathon)
Wernigerode
48th edition in 2026: northern Germany's most demanding marathon, climbing to the legendary Brocken (1,141 m).
Sierra Cazorla Trails
Quesada
Sierra Cazorla Trails — a 65K, 3,750 m D+ ultra through Spain's largest natural park
Ultra-Trail Guara Somontano
Alquézar, Huesca
From 17K to an 82K with 4,700 m of climbing through the canyons of the Sierra de Guara, starting in Alquézar
Abeduriu Trail Nocturna
El Entrego
8K with mandatory headlamp through the Labeduriu valley, near El Entrego