Aratoca, Santander, Colombia · Sunday, July 19, 2026

Fixed Distance Marathon

Chicamocha Canyon 45 Km Race

Race completed
45 km Distance
2,338 m Climbing
5.8 Grit · Challenging
6.6950° N, 73.0173° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 52 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 13 hours 17:20 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 88% of Marathon races. Measured against 42 races of the same distance. Cut-off calculator →
Field size ~264 Large. Rarely out of sight of another runner.

DUV results for the 2025 edition (45km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, July

Daytime high 25°C
Night low 14°C
Rainfall Showers likely
Daylight 12 h 28 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 1739 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert
👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for 45 km of trail with 2,338 m of ascent.

All gear guides →

Course Notes

La prueba a de trail running más larga y exigente de Colombia. In Colombia there is the largest Canyon of South America.

Similar races

Other Marathon trail ultras, closest in distance first.