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A Historic 50+ Years of Sebring International Raceway
Evolution of the Sebring Circuit
- 1952 - 1982 (5.2 miles) - The first 30 years
of the 12 Hours of Sebring were held on the famous
5.2 mile circuit which included two long airport
runways. The only major change in the course during
this period was the elimination of the Webster Turn
in 1967, replaced with the Green Park Chicane.
- 1983 (4.75 miles) - A segment deleting part
of the runway section altered the course in 1983.
The new section was asphalt and reduced the length
slightly, bypassing part of an active airport runway.
- 1984 - 1986 (4.86 miles) - The expansion
of the paddock area increased the course length slightly
as the Ulmann straight was moved out.
- 1987 - 1990 (4.11 miles) - The north-south
runway was deleted and a new asphalt course replaced
the circuit from turn one through the esses, which
were replaced by the carrousel.
- 1991 - 1995 (3.70 miles) - A major improvement
program began with widening, resurfacing and rerouting
of the track. Turns 8, 9 and the carrousel were deleted,
placing the Lesco building outside the circuit.
- 1996 - 1997 (3.6 miles) - Following the
95 race, the Fangio chicane was relocated closer
to the Hairpin, which shortened the circuit slightly.
- 1997 (3.75 miles) - Following the 97 12
hour and before the October FIA event, the entrance
and exit of the Ulmann straight were reconfigured,
increasing the length of the circuit slightly. The
Ulmann straight was also paved with asphalt. Turn
17 was returned to its original design after the
FIA race.
- 1998 - present (3.70 miles) - After the
1998 12 hour and before the September event, the
Hairpin was changed to an "S" configuration
and portions of the circuit were repaved.
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