Imarui Trail Run

Race completed

50 km Distance

2,700 m Climbing

6.6 Grit · Hardcore

28.3414° S, 48.8200° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 54 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 12 hours 14:24 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 70% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~68 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 22°C

Night low 18°C

Rainfall Showers likely

Daylight 11 h 01 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 45 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	68	Rodrigo Machado Oliveira · 05:25:19	Ana Antunes Paula Medina · 07:37:49
2025	50km	55	Cristiano Carvalho · 05:30:49	Ana Paula Antunes Medina · 06:54:31
2024	50km	57	Ademar do Nascimento Ferreira Junior · 05:44:49	Juliana de Souza · 06:58:47

The field grew 24% between 2025 (55) and 2026 (68). 22% of the 2026 field were women.

DUV results for the 2026 edition (50km) — 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

⛰️ 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 50 km of trail with 2,700 m of ascent.

Trail Running Shoes 54 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,700 m of ascent to walk up.
Headlamps A 12 h limit puts you out there after dark.

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

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Maurten