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HC Community of Madrid, Spain

Bola del Mundo

Southern ascent from Collado Villalba — the hardest of the 4 ways up

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GPX

Length: 22.8 km
Height gain: 1378 m
Average: 6.0%
Steepest km: 14.0%
Summit altitude: 2257 m
Difficulty: 359

Community of Madrid · The hardest climb

4 ways up · this is the hardest Compare all 4

Show all 4 ways up

Collado Villalba 22.8 km, 6.0% average, 1378 m height gain
Cerceda 20.7 km, 6.3% average, 1303 m height gain
Navacerrada 10.9 km, 8.9% average, 968 m height gain
Puerto de Navacerrada 3.2 km, 12.4% average, 401 m height gain

Elevation profile

879 m → 2257 m Touch or hover to inspect

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest km: km 22 at 14.0%

Climb analysis

Where the climbing is

0–4%: 7.0 km
4–6%: 3.3 km
6–8%: 7.5 km
8–10%: 2.5 km
10–14%: 1.6 km
14%+: 1.0 km

Hardest sustained

1 km · km 21.0–22.0: 14.0%
2 km · km 19.8–21.8: 13.4%
5 km · km 17.9–22.8: 10.5%

Time to the top

1h 40 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

How this is calculated

Kilometre by kilometre

Export CSV

Km	Altitude	Gain	Gradient	Max
1	885 m	+6 m	0.6%	2.4%
2	905 m	+20 m	2.0%	4.0%
3	942 m	+37 m	3.7%	8.0%
4	1000 m	+59 m	5.9%	7.8%
5	1042 m	+41 m	4.1%	7.0%
6	1069 m	+28 m	2.8%	5.8%
7	1092 m	+23 m	2.3%	5.4%
8	1144 m	+52 m	5.1%	7.2%
9	1160 m	+16 m	1.6%	11.6%
10	1186 m	+26 m	2.6%	6.0%
11	1223 m	+37 m	3.7%	8.0%
12	1297 m	+74 m	7.4%	17.6%
13	1358 m	+61 m	6.1%	8.0%
14	1429 m	+72 m	7.2%	8.8%
15	1490 m	+61 m	6.1%	9.4%
16	1581 m	+91 m	9.1%	10.8%
17	1669 m	+88 m	8.8%	9.6%
18	1744 m	+76 m	7.6%	8.6%
19	1820 m	+76 m	7.6%	10.4%
20	1913 m	+93 m	9.3%	18.6%
21	2033 m	+120 m	12.0%	18.0%
22	2172 m	+140 m	14.0%	19.8%
23	2257 m	+85 m	10.2%	20.0%

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About Bola del Mundo

How long and how steep?: From Collado Villalba, Bola del Mundo is 22.8 km long and climbs 1,378 m at an average of 6.0%, to a summit at 2,257 m. Its steepest kilometre, km 22, averages 14.0%.
How long does it take?: At 3 W/kg it takes about 1 h 40 min to reach the top, at 4 W/kg about 1 h 18 min (70 kg rider, 8 kg bike, no wind).
What category is it?: It's an HC (hors catégorie) climb, with a difficulty score of 359. It's the hardest of the 4 ways up to Bola del Mundo.
Where is it?: It's in Community of Madrid, Spain.

How hard is 359?

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

Passo di Gavia, Ponte di Legno 360

Torre de Serra da Estrela, Seia 360

Bola del Mundo, Collado Villalba 359

Monte Zoncolan, Sutrio 357

Beillurti, Arneguy 357

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