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4 Where this climb is: SevillaAndalusia, Spain

Puerto de Martín Alonso

South-western ascent from Río Onza
GPX Profile
Length
2.2 km
Height gain
147 m
Average
6.8%
Steepest km
7.6%
Summit altitude
481 m
Difficulty
29
2 ways up Compare all 2

Elevation profile

333 m → 481 m Touch or hover to inspect
Elevation profile: Puerto de Martín Alonso from Río Onza
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 1 at 7.6%

Climb analysis

Where the climbing is

0–4%
0.0 km
4–6%
0.9 km
6–8%
1.0 km
8–10%
0.0 km
10–14%
0.3 km
14%+
0.0 km

Hardest sustained

1 km · km 0.0–1.0
7.6%

Time to the top

0h 10 at 3 W/kg · 70 kg rider + 8 kg bike, no wind
How this is calculated

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 410 m 7.6%
2 473 m 6.3%
3 481 m 4.8%

Route map

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Directions
Satellite
Road surface not mapped yet Report a road type
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About Puerto de Martín Alonso

How long and how steep?
From Río Onza, Puerto de Martín Alonso is 2.2 km long and climbs 147 m at an average of 6.8%, to a summit at 481 m. Its first kilometre is the steepest, at 7.6%.
How long does it take?
At 3 W/kg it takes about 10 min to reach the top, at 4 W/kg about 8 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's a category 4 climb, with a difficulty score of 29.
Where is it?
It's in Sevilla, Andalusia, Spain.

How hard is 29?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Côte d'Artigues, Bartabeille Haut 29
Serra de São Mamede via Santa Luzia, Viana do Castelo 29
Puerto de Martín Alonso, Río Onza 29
Cota de Hornachuelos 29
Portela do Vade, Pico de Regalados 29

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Added by jose-juan-luque-aranda · 1 contributor

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