K50 Demónios 2026

Loop from Alvarinhos · Lisbon, Portugal

Community route · Running · Saved 10 Aug 2026

Locator map: Alvarinhos · Lisbon, Portugal

51.1 km · +1,543 m · 8h 02m · loop · Running

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Epic Loop
9ddcad35
25m50m75m100m125m150m175m200m010 km20 km30 km40 km50 km199m3m
Flat (<5%) Gentle (5–10%) Moderate (10–15%) Steep (15–25%)

K50 Demónios 2026 is a 51.1 km run loop from Barreira near Alvarinhos, with 1543m of climbing and an effort score of 67.

EpicLoopBarreira94% at ≤15% gradeSnow not assessed

Community race course import for Trail Demónios do Lizandro

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Route briefing

What comes next

Descents in route order. Not listed does not mean absent: it may not be mapped.

3 route events

  1. Start

    0 m

    Barreira

    Start

    Route geometry · source 2026-08-10

    About 0 min in

    51.1 km remaining

    +1543 m remaining

  2. Descent

    39.6 km

    171 m descent

    1.8 km at 9.4% average

    Saved route geometry · source 2026-08-10

    About 6h 14m in

    11.5 km remaining

    +268 m remaining

  3. Finish

    51.1 km

    Route finish

    Finish

    Route geometry · source 2026-08-10

    About 8h 03m in

    0 m remaining

Distance
51.1 km
Elevation
↗ 1,543 m
Est. moving time
8h 02m
trail run, 7:00 min/km
Effort
67

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Terrain & grades

94% at ≤15% grade

This loop packs 30m of climb per kilometre, which makes it a relatively flowing profile. 94% of the measured line is at 15% grade or less (slope only, not surface or technicality). The hardest kilometre is around km 10, gaining about 110m. Total route distance is 51.1 km.

Easy 49% Steady 38% Power-hike 13% Steep 0%
High point
199m
Gain / km
30m
Max grade
21%

Snow & conditions

Snow not assessed

Current snow evidence is not available for this route. Missing data does not establish snow-free conditions.

Route sections

Opening third
17.1 km
+543m / -687m
Middle third
17.1 km
+520m / -449m
Final third
17.1 km
+480m / -464m

Epic effort, estimated around 8h 02m moving time using a trail run model: 7:00 min/km flat pace plus about 1h 53m for 1543m of climbing. Expect 0% steep-grade exposure.

Flat-only: 5h 58m
Climb cost: +1h 53m
Effort distance: 69.0 km

Fuel & gear

Energy
4500 kcal
Water
4.0 L

Plan roughly 38 small fuel units, then adjust for weather, aid, and personal effort.

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