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3 Where this climb is: BurgosCastile and León, Spain

Portillo de Busto

Southern ascent from Busto de Bureba
GPX Profile
Length
6.5 km
Height gain
310 m
Average
4.8%
Steepest km
5.8%
Summit altitude
994 m
Difficulty
46
2 ways up · this is the hardest Compare all 2

Elevation profile

684 m → 994 m Touch or hover to inspect
Elevation profile: Portillo de Busto from Busto de Bureba
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 4 at 5.8%

Climb analysis

Where the climbing is

0–4%
1.3 km
4–6%
4.0 km
6–8%
1.3 km
8–10%
0.0 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 3.4–4.4
6.0%
2 km · km 3.4–5.4
5.9%

Time to the top

0h 23 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%
1 715 m 3.1%
2 751 m 3.6%
3 799 m 4.8%
4 857 m 5.8%
5 914 m 5.7%
6 968 m 5.4%
7 994 m 5.3%

Route map

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Directions
Satellite
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

About Portillo de Busto

How long and how steep?
From Busto de Bureba, Portillo de Busto is 6.5 km long and climbs 310 m at an average of 4.8%, to a summit at 994 m. Its steepest kilometre, km 4, averages 5.8%.
How long does it take?
At 3 W/kg it takes about 23 min to reach the top, at 4 W/kg about 18 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's a category 3 climb, with a difficulty score of 46. It's the hardest of the 2 ways up to Portillo de Busto.
Where is it?
It's in Burgos, Castile and León, Spain.

How hard is 46?

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

El Viso, Presa de la Tajera 46
Puerto de Blancares, La Peza 46
Portillo de Busto, Busto de Bureba 46
El Peso, Gorgolas 46
Novo Selo Okićko, Tržič 45

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Added by javichu90-9 · 1 contributor

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