International Motor Sports Association - Twelve Hours of Sebring
Twelve Hours of Sebring
Display & Timezone
Display & Timezone
Showing times for America/Denver
Timezone
America - Denver
19 - 21 Mar
Completed
Sebring International Raceway
Some session times for IMSA Twelve Hours of Sebring 2026 have not yet been finalised, they represent possible times in which each race session could occur. Please check back later for more accurate times.
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Six Hours of The Glen
26 - 28 Jun
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Track Info
Sebring International Raceway - Sebring, Florida, USA
Airfield-born permanent road course - clockwise - famously bumpy concrete and asphalt with the flat-out Sunset Bend
When was the track built?
Sebring grew out of Hendricks Army Airfield, a World War II B-17 training base. After the war, Alec Ulmann mapped a course across the runways and service roads, staging the first event on December 31, 1950. The 12 Hours of Sebring began in 1952 and quickly became America’s signature endurance classic. The modern 6.019 km configuration blends permanent road course with original concrete airfield sections that define its character.
When was its first race?
The circuit’s first race was the Sam Collier 6 Hour Memorial on New Year’s Eve 1950, won by Frits Koster and Ralph Deshon in a Crosley Hotshot. Two years later the inaugural 12 Hours established the “once around the clock” tradition, and in 1959 Sebring even hosted Formula 1’s United States Grand Prix.
What's the circuit like?
- Brutal surface: A unique mix of concrete slabs and asphalt creates relentless bumps that stress suspensions, tyres and driver stamina.
- High-speed commitment: Turn 1 is a fast, bumpy right that sets the tone; the lap builds through Big Bend and the Hairpin to the flat-out Ullman Straight.
- Sunset Bend finale: Turn 17 is a long, lumpy right taken in sixth gear for prototypes - precision over the seams matters as much as bravery.
- Traffic management: Multi-class endurance racing means constant mirrors and timing-blue flags at Sebring are a way of life.
- Benchmark pace: WEC race lap record 1:41.800 (LMP1). IMSA DPi race bests have reached 1:46.151, illustrating the sustained speed despite the bumps.
Lap records and benchmarks (by series)
- FIA WEC - LMP1 (race lap): 1:41.800 - Kamui Kobayashi, Toyota TS050 Hybrid, 2019 1000 Miles of Sebring.
- IMSA - DPi (race lap): 1:46.151 - Felipe Nasr & Renger van der Zande (tied), Cadillac DPi-V.R, 2021 12 Hours of Sebring.
- LMP2 (race lap): 1:46.638 - Romain Dumas, Porsche RS Spyder Evo, 2007 12 Hours.
- LMH (race lap): 1:47.885 - Sébastien Buemi, Toyota GR010 Hybrid, 2023 1000 Miles.
- LMDh (race lap): 1:48.311 - Renger van der Zande, Cadillac V-Series.R, 2023 12 Hours.
Why go?
A festival of endurance with old-school access: open camping, sunrise stints and the unmistakable soundtrack of prototypes hammering the bumps. The infield turns into a city of fans, food trucks and manufacturer displays, and the on-track product is relentlessly busy.
Where's the best place to watch?
- Turn 1: See who dares keep it flat over the concrete seams-spectacular at dusk.
- The Hairpin (T7): Heavy braking, late dives and traction battles onto the back section.
- Tower Turn (T13) & Collier/Cunningham: Great for rhythm, traffic management and prototype vs GT pace differences.
- Ullman Straight: Prototype top speed and GT slipstreams before the commitment test into T17.
- Sunset Bend (T17): Classic Sebring-watch cars dance across bumps onto the pit straight, especially at night.
Not just the 12 Hours: series at Sebring
IMSA WeatherTech SportsCar Championship: The Mobil 1 Twelve Hours of Sebring anchors March with GTP/GT fields and stacked support races.
FIA WEC: The 1000 Miles of Sebring joined the “Super Sebring” weekends in 2019 and 2022–2023, bringing Hypercars to the bumps.
GT World Challenge America / Trans-Am: High-downforce GT3s and American muscle showcase very different lines through the same concrete.
Historic/club events: HSR Classic 12 Hour and SVRA weekends put vintage prototypes and GTs back where they belong-pounding Sunset Bend.
Hotels & Accommodation
Twelve Hours of Sebring
19 - 21 Mar
Completed
Sebring International Raceway
Some session times for IMSA Twelve Hours of Sebring 2026 have not yet been finalised, they represent possible times in which each race session could occur. Please check back later for more accurate times.
Track Info
Sebring International Raceway - Sebring, Florida, USA
Airfield-born permanent road course - clockwise - famously bumpy concrete and asphalt with the flat-out Sunset Bend
When was the track built?
Sebring grew out of Hendricks Army Airfield, a World War II B-17 training base. After the war, Alec Ulmann mapped a course across the runways and service roads, staging the first event on December 31, 1950. The 12 Hours of Sebring began in 1952 and quickly became America’s signature endurance classic. The modern 6.019 km configuration blends permanent road course with original concrete airfield sections that define its character.
When was its first race?
The circuit’s first race was the Sam Collier 6 Hour Memorial on New Year’s Eve 1950, won by Frits Koster and Ralph Deshon in a Crosley Hotshot. Two years later the inaugural 12 Hours established the “once around the clock” tradition, and in 1959 Sebring even hosted Formula 1’s United States Grand Prix.
What's the circuit like?
- Brutal surface: A unique mix of concrete slabs and asphalt creates relentless bumps that stress suspensions, tyres and driver stamina.
- High-speed commitment: Turn 1 is a fast, bumpy right that sets the tone; the lap builds through Big Bend and the Hairpin to the flat-out Ullman Straight.
- Sunset Bend finale: Turn 17 is a long, lumpy right taken in sixth gear for prototypes - precision over the seams matters as much as bravery.
- Traffic management: Multi-class endurance racing means constant mirrors and timing-blue flags at Sebring are a way of life.
- Benchmark pace: WEC race lap record 1:41.800 (LMP1). IMSA DPi race bests have reached 1:46.151, illustrating the sustained speed despite the bumps.
Lap records and benchmarks (by series)
- FIA WEC - LMP1 (race lap): 1:41.800 - Kamui Kobayashi, Toyota TS050 Hybrid, 2019 1000 Miles of Sebring.
- IMSA - DPi (race lap): 1:46.151 - Felipe Nasr & Renger van der Zande (tied), Cadillac DPi-V.R, 2021 12 Hours of Sebring.
- LMP2 (race lap): 1:46.638 - Romain Dumas, Porsche RS Spyder Evo, 2007 12 Hours.
- LMH (race lap): 1:47.885 - Sébastien Buemi, Toyota GR010 Hybrid, 2023 1000 Miles.
- LMDh (race lap): 1:48.311 - Renger van der Zande, Cadillac V-Series.R, 2023 12 Hours.
Why go?
A festival of endurance with old-school access: open camping, sunrise stints and the unmistakable soundtrack of prototypes hammering the bumps. The infield turns into a city of fans, food trucks and manufacturer displays, and the on-track product is relentlessly busy.
Where's the best place to watch?
- Turn 1: See who dares keep it flat over the concrete seams-spectacular at dusk.
- The Hairpin (T7): Heavy braking, late dives and traction battles onto the back section.
- Tower Turn (T13) & Collier/Cunningham: Great for rhythm, traffic management and prototype vs GT pace differences.
- Ullman Straight: Prototype top speed and GT slipstreams before the commitment test into T17.
- Sunset Bend (T17): Classic Sebring-watch cars dance across bumps onto the pit straight, especially at night.
Not just the 12 Hours: series at Sebring
IMSA WeatherTech SportsCar Championship: The Mobil 1 Twelve Hours of Sebring anchors March with GTP/GT fields and stacked support races.
FIA WEC: The 1000 Miles of Sebring joined the “Super Sebring” weekends in 2019 and 2022–2023, bringing Hypercars to the bumps.
GT World Challenge America / Trans-Am: High-downforce GT3s and American muscle showcase very different lines through the same concrete.
Historic/club events: HSR Classic 12 Hour and SVRA weekends put vintage prototypes and GTs back where they belong-pounding Sunset Bend.
