Ybytyruzú Ultra-Trail

Race completed

85 km Distance

not publishedn/a Climbing

4.3 est Grit · Challenging

Calculated from 85 km alone — the organiser has not published an elevation profile. Read 4.3 as a floor, not a verdict.

25.6915° S, 56.2650° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 24 hours 16:56 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the most forgiving 50 mi cut-offs we track. Measured against 450 races of the same distance. Cut-off calculator →

Field size ~56 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (85km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 22°C

Night low 12°C

Rainfall Showers likely

Daylight 10 h 32 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 202 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	85km	56	Cristian Ariel Aranda Ayala · 12:21:37	Fatima Maria Villar · 14:08:21

20% of the 2025 field were women.

DUV results for the 2025 edition (85km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 85 km of trail.

Trail Running Shoes 85 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 85 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 85 km, without the bounce.
Headlamps A 24 h limit puts you out there after dark.
GPS Watches Battery life first — a 85 km day outlasts most full-GPS modes.