K12 Demónios 2026

Loop from Alvarinhos · Lisbon, Portugal

Community route · Running · Saved 10 Aug 2026

Locator map: Alvarinhos · Lisbon, Portugal

11.6 km · +252 m · 1h 41m · loop · Running

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Moderate Loop
48cfc12d
25m50m75m100m125m150m175m02 km4 km6 km8 km10 km11.6 km179m14m
Flat (<5%) Gentle (5–10%) Moderate (10–15%) Steep (15–25%)

K12 Demónios 2026 is an 11.6 km run loop from Areias near Alvarinhos, with 252m of climbing and an effort score of 14.

ModerateLoopAreias93% at ≤15% gradeSnow not assessed

Community race course import for Trail Demónios do Lizandro

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Route briefing

What comes next

Climbs and descents in route order. Not listed does not mean absent: it may not be mapped.

5 route events

  1. Start

    0 m

    Areias

    Start

    Route geometry · source 2026-08-10

    About 0 min in

    11.6 km remaining

    +252 m remaining

  2. Descent

    580 m

    153 m descent

    1.3 km at 12.0% average

    Saved route geometry · source 2026-08-10

    About 5 min in

    11.0 km remaining

    +238 m remaining

  3. Climb

    4.7 km

    106 m climb

    1.0 km at 10.6% average

    Saved route geometry · source 2026-08-10

    About 41 min in

    6.9 km remaining

    +211 m remaining

  4. Climb

    6.4 km

    90 m climb

    1.7 km at 5.4% average

    Saved route geometry · source 2026-08-10

    About 56 min in

    5.2 km remaining

    +114 m remaining

  5. Finish

    11.6 km

    Route finish

    Finish

    Route geometry · source 2026-08-10

    About 1h 41m in

    0 m remaining

Distance
11.6 km
Elevation
↗ 252 m
Est. moving time
1h 41m
trail run, 7:00 min/km
Effort
14

Terrain & grades

93% at ≤15% grade

This loop packs 22m of climb per kilometre, which makes it a relatively flowing profile. 93% of the measured line is at 15% grade or less (slope only, not surface or technicality). The hardest kilometre is around km 6, gaining about 83m. Total route distance is 11.6 km.

Easy 72% Steady 15% Power-hike 12% Steep 0%
High point
179m
Gain / km
22m
Max grade
20%

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
3.9 km
+39m / -159m
Middle third
3.9 km
+179m / -53m
Final third
3.9 km
+34m / -54m

Moderate effort, estimated around 1h 41m moving time using a trail run model: 7:00 min/km flat pace plus about 18 min for 252m of climbing. Expect 0% steep-grade exposure.

Flat-only: 1h 21m
Climb cost: +19 min
Effort distance: 14.5 km

Fuel & gear

Water
0.8 L

At this length most people need water rather than food on the way.

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