Quimiag, Ecuador · Sunday, September 20, 2026

Fixed Distance 50 mi

Altar Reto Trail - 70K Oso de Anteojos

17 days to go
65 km Distance
2,570 m Climbing
7.1 Grit · Hardcore
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1.6617° S, 78.5434° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 40 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Field size ~5 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (65km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 16°C
Night low 5°C
Rainfall Mostly dry
Daylight 12 h 06 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 3004 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Expect fast, runnable sections where rhythm is key.

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 65 km of trail with 2,570 m of ascent.

Salomon

Sense Ride 5

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7
All gear guides →

Course Notes

Fuerza de La Montaña el reto lagunas, recorre el sistema lacustre del nevado El Altar, llegando hasta la emblemática Laguna Amarilla después de hacer su recorrido por la Laguna Estrellada, Laguna Negra, Laguna Azul, Laguna Mandur.

Similar races

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