Ultra Running Hub Mariano Acosta, Ecuador · Sunday, January 17, 2027
Fixed Distance 50K
Tierra de Osos
136 days away
46 km Distance
not publishedn/a Climbing
2.3 est Grit · Entry level
Calculated from 46 km alone — the organiser has not published an elevation profile. Read 2.3 as a floor, not a verdict.
What the course asks
Time limit 9 hours
11:44 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50K. Measured against 982 races of the same distance. Cut-off calculator →
Field size ~14 Tiny. You will run alone for most of it.
DUV results for the 2026 edition (46km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, January
Daytime high 18°C
Night low 9°C
Rainfall Showers likely
Daylight 12 h 06 m of light
Regional 2001-2020 average for January — NASA POWER, grid elevation 2676 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 46 km of trail.
- Trail Running Shoes 46 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 46 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 46 km, without the bounce.
- GPS Watches Battery life first — a 46 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.