24 Hours of Daytona
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| 24 Hours of Daytona | |
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| Name | 24 Hours of Daytona |
| Native name | Rolex 24 at Daytona |
| Track | Daytona International Speedway |
| Location | Daytona Beach, Florida |
| Inaugurated | 1962 |
| Distance | 24 hours |
| Laps | variable |
| Most wins driver | Hurley Haywood |
| Most wins team | Brumos Racing |
| Most wins manufacturer | Porsche |
24 Hours of Daytona The 24 Hours of Daytona is a 24-hour sports car endurance race held annually at Daytona International Speedway in Daytona Beach, Florida. Originating in the early 1960s, the event evolved through associations with Grand-Am, IMSA, Rolex, and manufacturers including Porsche, Ferrari, and Ford. It attracts drivers from Formula One, NASCAR, IndyCar, World Endurance Championship, and privateer teams, serving as a season opener for major endurance championships.
History
Created in 1962 by Bill France Sr. and linked to Daytona International Speedway's road course, the race was conceived as an endurance counterpart to Daytona 500 stock car events and as part of the broader rise of sports car racing in the United States alongside Sebring 12 Hours and Le Mans 24 Hours. Early winners included Phil Hill, Dan Gurney, and Pedro Rodríguez, while manufacturers such as Chevrolet, Ford, Ferrari, and Porsche established competitive legacies. Over decades the event navigated sanctioning changes involving SCCA, USAC, Grand-Am Road Racing, and the modern International Motor Sports Association (IMSA), with title sponsorships from Rolex and partnerships with series like WeatherTech SportsCar Championship. The race has been influenced by technological shifts from tire development by Goodyear and Michelin to aerodynamics work by constructors like Riley Technologies and Dallara, and by notable safety evolutions following incidents that prompted regulations similar to those in FIA World Endurance Championship. Historic editions spotlight teams such as Brumos Racing, Chip Ganassi Racing, and Corvette Racing, and drivers including Hurley Haywood, A.J. Foyt, Mario Andretti, Alain Prost, and Juan Pablo Montoya.
Race Format and Regulations
The event follows endurance racing norms under IMSA rules, with classes running concurrently including prototypes and GT machines. Regulations encompass driver stint limits, minimum and maximum driving times, fuel capacity rules, Balance of Performance adjustments for entrants from Le Mans, and safety car procedures aligned with FIA recommendations. The grid is determined by qualifying sessions governed by officials from IMSA and stewards drawn from bodies like FIA. Pit stop rules involve refueling, tire changes under controlled pit lane speed limits enforced by timing systems from vendors similar to COSWORTH and Magneti Marelli. Driver lineups often mix professional and amateur competitors registered under FIA Bronze/FIA Silver/FIA Gold categorizations. Penalties for infractions can be applied by race control and appealed to tribunals comparable to those used by Aston Martin Racing and Team Penske in other series.
Circuit and Venue
The race uses the infield road course at Daytona International Speedway, combining sections of the high-speed oval with a technical infield segment near the Busch Light Bridge and Tri-oval. Circuit features include long banked turns inspired by Indianapolis Motor Speedway and modern resurfacing projects overseen by track management similar to upgrades seen at Circuit of The Americas and Sebring International Raceway. The facility hosts hospitality from sponsors like Rolex and media coverage by broadcasters such as NBC Sports and Fox Sports in collaboration with production partners resembling Eurosport and Sky Sports. Infrastructure supports garages for teams including Risi Competizione, Porsche North America, and Team Joest style operations, with garages equipped by suppliers like OMP and Sparco.
Notable Competitors and Records
Endurance legends with multiple victories include Hurley Haywood, Al Holbert, and Derek Bell; teams with sustained success include Brumos Racing, Corvette Racing, and Chip Ganassi Racing. Manufacturers with prominent results feature Porsche, Ferrari, BMW, Audi, Toyota, and Ford. Record lap performances and endurance feats have been set by prototypes such as the Daytona Prototype era cars, BMW V12 LMR, and Porsche 919 Hybrid style hybrid prototypes, with drivers drawn from Formula One champions like Fernando Alonso and sports car specialists like Jochen Mass. Notable rookie appearances and cross-discipline entries have included Mario Andretti, A.J. Foyt, Jeff Gordon, Juan Pablo Montoya, Timo Bernhard, and Sebastien Bourdais. Historic moments encompass dramatic finishes, safety car restarts involving teams like Riley Motorsports, and endurance strategies credited to engineers from Multimatic and HPD.
Race Weekend and Support Series
Race week encompasses practice, qualifying, night sessions, and community events including parades and autograph sessions that mirror promotional activities at Indianapolis 500 and Goodwood Festival of Speed. Support races and series featured across the weekend often include IMSA Michelin Pilot Challenge, LMP3 Cup, Porsche Carrera Cup North America, Ferrari Challenge, and historic car grids akin to Masters Historic Racing. Media responsibilities are handled by outlets such as Motorsport.com, Autosport, Road & Track, and social platforms managed by teams like Action Express Racing.
Safety, Technology, and Car Classes
Safety systems evolved with mandates for HANS device, advanced monocoque construction using carbon fiber produced by firms like Dallara and Ligier, and crash structure standards harmonized with FIA protocols. Technological development includes hybrid systems, energy recovery technologies similar to KERS, advanced telemetry by Bosch and Siemens, and aerodynamic packages refined by suppliers such as Multimatic and Wirth Research. Car classes have included Grand Touring Prototype (GTP), Daytona Prototype International (DPi), GT Le Mans (GTLM), and GT Daytona (GTD), reflecting a lineage connected to Le Mans Prototype (LMP) and series run by ACO. Performance balancing and technical regulations are continually updated by IMSA technical committees and manufacturer stakeholders like Porsche North America, Corvette Racing, BMW Team RLL, and Aston Martin Racing.