Desafio ACDL
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Desafio ACDL

Santo Tirso, Portugal July 18, 2026
Difficulty Profile
TERRAIN
CLIMBING
HEAT
REMOTE
400 km Distance
7400 m Elevation
Off-Road Surface
Intermediate Difficulty

What to Expect on Desafio ACDL

Desafio ACDL is an off-road bikepacking event in Lamelas, Portugal, offering three distance tiers of 100, 200, and 400 kilometers, making it accessible to a range of riders from those seeking a single demanding day to those tackling a genuine multi-day off-road challenge. Lamelas is a parish in northern Portugal, and the event's terrain likely draws on the granite hills, river valleys, and forested landscapes characteristic of this less-touristed part of the country, away from the more famous coastal and southern regions of Portugal. The Portuguese interior, particularly in the north, offers extensive networks of forest tracks and rural roads well suited to off-road bikepacking, with a strong tradition of trail running and outdoor sport events in the region.

The tiered distance structure suggests an event designed to grow a local and regional off-road riding community, offering an entry point at 100 kilometers alongside more serious 200 and 400-kilometer options for experienced riders. The July timing places the event in the heart of the Portuguese summer, when long daylight hours support extended riding days even at the longer distances.

Bike Setup for Desafio ACDL

Bike Hardtail MTB
Tires 2.2-2.4" Tubeless
Cassette 10-52T
Chainring 30-32T (1x)

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Frequently Asked Questions

How long is Desafio ACDL?

Desafio ACDL covers 400 km with 7400 m of climbing along the way — a steadily rolling profile from start to finish.

What bike do I need?

Desafio ACDL's terrain calls for a Hardtail MTB, ideally running 2.2-2.4" Tubeless tires. On the drivetrain side, a 30-32T (1x) chainring matched to a 10-52T cassette gives enough range for the climbing involved.

How difficult is it?

We rate Desafio ACDL as Intermediate overall. Riders should be ready for seriously technical, unforgiving terrain throughout, fairly flat elevation gain, and mild and generally comfortable conditions.

When does it take place?

Desafio ACDL runs on July 18, 2026, placing it firmly in the summer riding season, with long daylight hours, though heat can become a real factor.

What surface is it?

Desafio ACDL's route is off-road. Plan your tire choice around 2.2-2.4" Tubeless for the best combination of speed and comfort.