List of roller coaster rankings
Fastest steel roller coasters

Rank
Name
Park
Country
Speed
Manufacturer
Record held
1
Formula Rossa
Ferrari World Abu Dhabi
United Arab Emirates
149 mph (240 km/h)
Intamin
November 2010 – present
2
Kingda Ka
Six Flags Great Adventure
United States
128 mph (206 km/h)
Intamin
May 2005 – November 2010
3
Top Thrill Dragster
Cedar Point
United States
120 mph (190 km/h)
Intamin
May 2003 – May 2005
4
Do-Dodonpa
Fuji-Q Highland
Japan
112 mph (180 km/h)
S&S - Sansei Technologies
December 2001 – May 2003
4
Red Force
Ferrari Land
Spain
112 mph (180 km/h)
Intamin
N/A
6
Superman: Escape from Krypton
Six Flags Magic Mountain
United States
100 mph (160 km/h)
Intamin
March 1997 – December 2001
6
Tower of Terror II
Dreamworld
Australia
100 mph (160 km/h)
Intamin
January 1997 – December 2001
*
Ring°racer
Nürburgring
Germany
99.4 mph (160.0 km/h)
S&S - Sansei Technologies
N/A
8
Steel Dragon 2000
Nagashima Spa Land
Japan
95 mph (153 km/h)
D. H. Morgan Manufacturing
N/A
8
Fury 325
Carowinds
United States
95 mph (153 km/h)
Bolliger & Mabillard
N/A
10
Millennium Force
Cedar Point
United States
93 mph (150 km/h)
Intamin
N/A

Question: How fast was the worlds fastest roller coaster  and how long did it hold that title before being over taken in 2003?
Answer: Reaching top speeds of 180 kilometres per hour (112 mph) Dodonpa retained the title of world's fastest roller coaster for nearly a year and a half before Cedar Point's Top Thrill Dragster took it in May 2003.