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Gauja 91K is a 91.0 km ultra trail of Gauja Trail by UTMB 2026 in Sigulda (Sigulda New Castle), Latvia. The race starts on August 1, 2026 at 04:00 AM. It starts in Sigulda (Sigulda New Castle) and finishes in Cēsis, Rozu laukums.
The course climbs 2200 m+. With 24 m/km of climbing, the course is predominantly runnable. By gradient, 17% of the distance is uphill, 18% downhill and 65% flat. The longest climb runs 1.1 km at an average 3.4% grade (39 m of vertical). The longest descent runs 1.3 km at 3.7% (47 m of vertical). The steepest climb averages 22.7% over 0.3 km. The steepest descent drops at 23.4% over 0.3 km. Surface: 63% trail, 18% smooth, and 15% road. Flat-equivalent effort: 109.1 FlatKM.
The course is runnable enough that trekking poles are not needed.
Quad damage risk is low (index 18 of 100): a few descents worth noticing, none that decides the result.
Historically on race day, start temperatures range from 11°C to 18°C, around 21°C at the highest point; the chance of precipitation is about 47%. Heavy rain of 10.0 mm or more falls on about 7% of days around this date.
572 finishers completed the 2026 edition. Men's winner: Kamil Poczwardowski (Poland) in 7:45:28. Women's winner: Ivita Sale (Latvia) in 9:30:20.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Gauja 91K.
Other distances of Gauja Trail by UTMB 2026Gauja 53K (53.0 km)
Official websitegauja.utmb.world
