Roots Racing Guarulhos 66km

Race completed

66 km Distance

2,800 m Climbing

7.5 Grit · Hardcore

23.4628° S, 46.5333° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 42 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 13 hours 11:49 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~11 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (66km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 22°C

Night low 12°C

Rainfall Mostly dry

Daylight 10 h 42 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 699 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 66 km of trail with 2,800 m of ascent.

Trail Running Shoes42 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition66 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles2,800 m of ascent to walk up.
HeadlampsA 13 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