Mariano Acosta, Ecuador · Sunday, January 17, 2027

Fixed Distance 50K

Tierra de Osos

90 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.

0.2966° N, 77.9834° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 9 hours 11:44 min/km average. Firm. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50K. Measured against 1058 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	46km	14	Edison Fabian Rojas Guambiango · 05:55:32	Ana Rocio Cancan · 06:19:10
2024	46km	20	Edwin Patricio Cuzco Rosero · 04:59:52	—
2023	45km	15	Saul Alexander Cuasqui · 05:40:03	Liliana Suquillo · 06:24:06

The field shrank 30% between 2024 (20) and 2026 (14). 36% of the 2026 field were women.

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.

Course notes

gear 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.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

New Balance