- May 6, 2009
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This one is called Thunderbolts Way in Gloucester in New South Wales, it's west of Forster on the NSW Central Coast (do a google map search).
Average: 9.3 %
Length: 7 km
Height start: 163 m
Height top: 814 m
Gradient: 651 m
Maximum: 20 %
http://www.climbbybike.com/climb.asp?Col=Thunderbolts-Way&qryMountainID=8605
No known races of note that I'm aware of though.
This one is called the Serra do Rio do Rastro - Santa Catarina in Brazil:
Average: 9.2 %
Length: 7 km
Height start: 700 m
Height top: 1346 m
Gradient: 646 m
Maximum: 0 %
http://www.climbbybike.com/climb.asp?Col=Serra-do-Rio-do-Rastro&qryMountainID=8846

Average: 9.3 %
Length: 7 km
Height start: 163 m
Height top: 814 m
Gradient: 651 m
Maximum: 20 %
http://www.climbbybike.com/climb.asp?Col=Thunderbolts-Way&qryMountainID=8605
No known races of note that I'm aware of though.
This one is called the Serra do Rio do Rastro - Santa Catarina in Brazil:

Average: 9.2 %
Length: 7 km
Height start: 700 m
Height top: 1346 m
Gradient: 646 m
Maximum: 0 %
http://www.climbbybike.com/climb.asp?Col=Serra-do-Rio-do-Rastro&qryMountainID=8846