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24 Hours of Daytona

24 Hours of Daytona
Venue Daytona International Speedway
Corporate sponsor Rolex
First race 1962
Duration 24 hours
Previous names Daytona 3 Hour Continental (1962–1963)
Daytona 2000 (1964–1965)
24 Hours of Daytona (1966–1971, 1973, 1975–1977)
6 Hours of Daytona (1972)
24 Hour Pepsi Challenge (1978–1983)
SunBank 24 at Daytona (1984–1991)
Rolex 24 At Daytona (1992–)
Most wins (driver) Hurley Haywood (5)
Scott Pruett (5)
Most wins (team) Chip Ganassi Racing (6)
Most wins (manufacturer) Porsche (18)

The 24 Hours of Daytona, currently known as the Rolex 24 At Daytona for sponsorship reasons, is a 24-hour sports car endurance race held annually at Daytona International Speedway in Daytona Beach, Florida. It is run on a 3.56-mile (5.73 km) combined road course, utilizing portions of the NASCAR tri-oval and an infield road course. Since its inception, it has been held the last weekend of January or first weekend of February, part of Speedweeks, and it is the first major automobile race of the year in the United States. It is also the first race of the season for the TUDOR United SportsCar Championship.

The race has had several names over the years. Since 1991, the Rolex Watch Co. is the title sponsor of the race under a naming rights arrangement, replacing Sunbank (now SunTrust) which in turn replaced Pepsi in 1984. Winning drivers of all classes receive a steel Rolex Daytona watch.

In 2006, the race moved one week earlier into January to prevent a clash with the Super Bowl, which had in turn moved one week later into February a few years earlier.

The race has been known historically as a leg of the informal Triple Crown of endurance racing,[1] although increasing isolation from international Sports Car racing regulations has seen a gradual shift of importance to Petit Le Mans. However, the link was expected to be reunited with the unification of the sport in 2014.


  • Beginnings 1
  • 24-hour history 2
  • Grand American and Daytona Prototypes 3
  • Daytona GTs 4
  • GX Class 5
  • Statistics 6
    • Constructors 6.1
    • Engine manufacturers 6.2
    • Drivers with the most overall wins 6.3
  • Overall winners 7
    • 1000 km distance 7.1
    • 3 Hour duration 7.2
    • 2000 km distance 7.3
    • 24 Hour duration (1966–1971) 7.4
    • 6 Hour duration 7.5
    • 24 Hour duration (1973–present) 7.6
  • References 8
  • External links 9


Shortly after the track opened, on April 5, 1959, a six-hour/1000 kilometer USAC-FIA sports car race was held on the road course. Count Antonio Von Dory and Roberto Mieres won the race in a Porsche, shorted to 560.07 miles due to darkness.[2]

In 1962, a few years after the track was built, a 3-hour sports car race was introduced. Known as the Daytona Continental, it counted towards the FIA's new International Championship for GT Manufacturers. The first Continental was won by Dan Gurney, driving a 2.7L Coventry Climax-powered Lotus 19.[1] Gurney was a factory Porsche driver at the time, but the 1600-cc Porsche 718 was considered too small and slow for what amounted to a sprint race on a very fast course.

In 1964, the event was expanded to 2,000 km (1,240 mi), doubling the classic 1000 km distance of races at Nürburgring, Spa and Monza. The distance amounted to roughly half of the distance the 24 Hours of Le Mans winners covered at the time, and was similar in length to the 12 Hours of Sebring, which was also held in Florida in March. Starting in 1966, the Daytona race was extended to the same 24-hour length as Le Mans.

24-hour history

Unlike the Le Mans event, the Daytona race is conducted entirely over a closed course within the speedway arena without the use of any public streets. Most parts of the steep banking are included, interrupted with a chicane on the back straight and a sweeping, fast infield section which includes two hairpins. Unlike Le Mans, the race is held in wintertime, when nights are at their longest. There are lights installed around the circuit for night racing, although the infield section is still not as well-lit as the main oval. However, the stadium lights are turned on only to a level of 30%, similar to the stadium lighting setup at Le Mans, with brighter lights around the pit straight, and decent lighting similar to street lights around the circuit.

In the past, a car had to cross the finish line after 24 hours to be classified, which led to dramatic scenes where damaged cars waited in the pits or on the edge of the track close to the finish line for hours, then restarted their engines and crawled across the finish line one last time in order to finish after the 24 hours and be listed with a finishing distance, rather than dismissed with DNF (Did Not Finish). This was the case in the initial 1962 Daytona Continental (then 3 hours), in which Dan Gurney's Lotus had established a lengthy lead when the engine failed with just minutes remaining. Gurney stopped the car at the top of the banking, just short of the finish line. When the three hours had elapsed, Gurney simply cranked the steering wheel to the left (toward the bottom of the banking) and let gravity pull the car across the line, to not only salvage a finishing position, but actually win the race.[1] This led to the international rule requiring a car to cross the line under its own power in order to be classified.

The first 24 Hour event in 1966 was won by Watkins Glen."[3] After having lost in 1966 at Daytona, Sebring and Le Mans to the Fords, the Ferrari P series prototypes staged a 1–2–3 side-by-side parade finish at the banked finish line in 1967.[4] The Ferrari 365 GTB/4 road car was given the unofficial name Ferrari Daytona in celebration of this victory.[5]

Porsche repeated this show in their 1–2–3 win in the 1968 24 Hours. After the car of Gerhard Mitter had a big crash caused by tire failure in the banking, his teammate Rolf Stommelen supported the car of Vic Elford and Jochen Neerpasch. When the car of the longtime leaders Jo Siffert and Hans Herrmann dropped to second due to a technical problem, these two also joined the new leaders while continuing with their car. So Porsche managed to put 5 of 8 drivers on the center of the podium, plus Jo Schlesser and Joe Buzzetta finishing in 3rd place, with only Mitter being left out.[6]

Lola finished 1–2 in the 1969 24 Hours of Daytona. The winning car was the Penske Lola T70-Chevrolet of Mark Donohue and Chuck Parsons.[7] Few spectators witnessed the achievement as Motor Sport reported: "The Daytona 24-Hour race draws a very small crowd, as can be seen from the empty stands in the background."[8]

In 1972, due to the energy crisis, the race was shortened to 6 hours, while for 1974 the race was cancelled altogether.[9]

In 1982, following near-continuous inclusion on the World Sportscar Championship, the race was dropped as the series attempted to cut costs by both keeping teams in Europe and running shorter races. The race continued on as part of the IMSA GT Championship.

The regular teams were expanded to three drivers in the 1970s. Nowadays, often four or five drivers compete. Many of these additional drivers are known as "gentleman racers"; people with the personal means to buy their place in the cockpit. The winning entry in 1997 featured as many as seven drivers taking a turn in the cockpit.

Grand American and Daytona Prototypes

After several ownership changes at Grand-Am series, a competitor of the American Le Mans Series, which, as its name implies, uses the same regulations as the Le Mans Series and the 24 Hours of Le Mans. The Grand Am series, though, is instead closely linked to NASCAR and the original ideas of IMSA and focused on controlled costs and close competition.

In order to make sports car racing less expensive than elsewhere, new rules were introduced in 2002. The dedicated Daytona Prototypes (DP) use less expensive materials and technologies and the car's simple aerodynamics reduce the development and testing costs. The DPs began racing in 2003 with six cars in the race.[10]

Specialist chassis makers like Riley, Dallara, and Lola provide the DP cars for the teams and the engines are branded under the names of major car companies like Pontiac, Lexus, Ford, BMW, and Porsche.

Daytona GTs

The Gran Turismo class cars at Daytona are closer to the road versions, similar to the GT3 class elsewhere. For example, the more standard Cup version of the Porsche 996 is used, instead of the usual RS/RSR racing versions. Recent Daytona entries also include BMW M3s and M6s, Porsche 911s, Chevy Camaros and Corvettes, Mazda RX-8s, Pontiac GTO.Rs, and Ferrari F430 Challenges. The Audi R8 and the Ferrari 458 Italia debuted in the 50th anniversary of the race in 2012.

In an effort for teams to save money, GT rules have now changed to permit spaceframe cars clad in lookalike body panels to compete in GT (the new BMW M6, Chevrolet Camaro, and Mazda RX-8). These rules are similar to the old GTO specification, but with more restrictions.

The intent of spaceframe cars is to allow teams to save money, especially after crashes, where teams can rebuild the cars for the next race at a much lower cost, or even redevelop cars, instead of having to write off an entire car after a crash or at the end of a year.

GX Class

The 2013 race was the first and only year for the GX class. Six cars started in the event. The class consisted of purpose built production Porsche Cayman S and Mazda 6 racecars. Mazda debuted their first diesel racecar there which is the first time a diesel fuel racecar ever started at the Daytona 24. Throughout the race the Caymans were dominant, while all three Mazdas suffered premature engine failure and retired from the race. By a 9 lap lead, the #16 Napleton Porsche Cayman, driven by David Donohue, was the GX winner.



Porsche has the most overall victories of any manufacturer with 22, scored by various models, including the road based 911, 935 and 996. Porsche also won a record 11 consecutive races from 1977–1987 and won 18 out of 23 races from 1968–1991.

Rank Constructor Wins Years
1 Porsche 18 1968, 1970–71, 1973, 1975, 1977–83, 1985–87, 1989, 1991, 2003
2 Riley 10 2005–13, 2015
3 Ferrari 5 1963–64, 1967, 1972, 1998
4 Riley & Scott 3 1996–97, 1999
5 Ford 2 1965–66
Jaguar 1988, 1990
Nissan 1992, 1994
8 Lotus 1 1962
Lola 1969
BMW 1976
March 1984
Toyota 1993
Kremer 1995
Dodge 2000
Chevrolet 2001
Dallara 2002
Doran 2004
Coyote 2014

Engine manufacturers

In addition to their 18 wins as both car and engine manufacturers, Porsche has four wins solely as an engine manufacturer, in 1984, 1995, and two in the Daytona Prototype era in 2009 and 2010.

Rank Engine manufacturer Wins Years
1 Porsche 22 1968, 1970–71, 1973, 1975, 1977–87, 1989, 1991, 1995, 2003, 2009–10
2 Ford 6 1965–66, 1997, 1999, 2012, 2015
3 Ferrari 5 1963–64, 1967, 1972, 1998
4 BMW 3 1976, 2011, 2013
Chevrolet 1969, 2001, 2014
Lexus 2006–08
7 Jaguar 2 1988, 1990
Nissan 1992, 1994
Pontiac 2004–05
10 Coventry Climax 1 1962
Toyota 1993
Oldsmobile 1996
Dodge 2000
Judd 2002

Drivers with the most overall wins

Rank Driver Wins Years
1 Hurley Haywood 5 1973, 1975, 1977, 1979, 1991
Scott Pruett 1994, 2007, 2008, 2011, 2013
3 Pedro Rodríguez 4 1963, 1964, 1970, 1971
Bob Wollek 1983, 1985, 1989, 1991
Peter Gregg 1973, 1975, 1976, 1978
Rolf Stommelen 1968, 1978, 1980, 1982
7 Brian Redman 3 1970, 1976, 1981
Andy Wallace 1990, 1997, 1999
Butch Leitzinger 1994, 1997, 1999
Derek Bell 1986, 1987, 1989
Juan Pablo Montoya 2007, 2008, 2013
Memo Rojas 2008, 2011, 2013
13 Ken Miles 2 1965, 1966
Lloyd Ruby 1965, 1966
A. J. Foyt 1983, 1985
Al Holbert 1986, 1987
Al Unser, Jr. 1986, 1987
Jan Lammers 1988, 1990
John Paul, Jr. 1982, 1997
Elliott Forbes-Robinson 1997, 1999
Mauro Baldi 1998, 2002
Didier Theys 1998, 2002
Wayne Taylor 1996, 2005
Terry Borcheller 2004, 2010
Christian Fittipaldi 2004, 2014
João Barbosa 2010, 2014
Scott Dixon 2006, 2015

Overall winners

1000 km distance

Year Date Drivers Team Car Tire Car # Distance Championship
1959 April 5 Roberto Mieres
Anton von Döry
Antonio von Dory Porsche 718 RSK G 86 620 mi (1,000 km) USAC Road Racing Championship

3 Hour duration

Year Date Drivers Team Car Tire Car # Distance Championship
1962 February 11 Dan Gurney Frank Arciero Lotus 19B-Coventry Climax G 96 312.420 mi (502.791 km) International Championship for GT Manufacturers
1963 February 17 Pedro Rodríguez North American Racing Team Ferrari 250 GTO G 18 307.300 mi (494.551 km) International Championship for GT Manufacturers

2000 km distance

Year Date Drivers Team Car Tire Car # Championship
1964 February 16 Pedro Rodríguez
Phil Hill
North American Racing Team Ferrari 250 GTO G 30 International Championship for GT Manufacturers
1965 February 28 Ken Miles
Lloyd Ruby
Shelby-American Inc. Ford GT [11] G 73 International Championship for GT Manufacturers

24 Hour duration (1966–1971)

Year Date Drivers Team Car Tire Car # Distance Championship
1966 February 5
February 6
Ken Miles
Lloyd Ruby
Shelby-American Inc. Ford GT40 Mk. II G 98 2,583.178 mi (4,157.222 km) International Championship for Sports-Prototypes
International Championship for Sports Cars
1967 February 4
February 5
Lorenzo Bandini
Chris Amon
SpA Ferrari SEFAC Ferrari 330 P4 F 23 2,537.460 mi (4,083.646 km) International Championship for Sports-Prototypes
International Championship for Sports Cars
1968 February 3
February 4
Vic Elford
Jochen Neerpasch
Rolf Stommelen
Jo Siffert
Hans Herrmann
Porsche System Engineering Porsche 907LH D 54 2,564.130 mi (4,126.567 km) International Championship for Makes
1969 February 1
February 2
Mark Donohue
Chuck Parsons
Roger Penske Sunoco Racing Lola T70 Mk.3B-Chevrolet G 6 2,385.060 mi (3,838.382 km) International Championship for Makes
1970 January 31
February 1
Pedro Rodríguez
Leo Kinnunen
Brian Redman
J.W. Engineering Porsche 917K F 2 2,758.440 mi (4,439.279 km) International Championship for Makes
1971 January 30
January 31
Pedro Rodríguez
Jackie Oliver
J.W. Automotive Engineering Porsche 917K F 2 2,621.280 mi (4,218.542 km) International Championship for Makes

6 Hour duration

Year Date Drivers Team Car Tire Car # Distance Championship
1972 February 6 Mario Andretti
Jacky Ickx
SpA Ferrari SEFAC Ferrari 312PB F 2 739.140 mi (1,189.531 km) World Championship for Makes

24 Hour duration (1973–present)

Year Date Drivers Team Car Tire Car # Distance Championship
1973 February 3
February 4
Peter Gregg
Hurley Haywood
Brumos Porsche Porsche Carrera RSR G 59 2,552.700 mi (4,108.172 km) World Championship for Makes
1974 No race due to an energy crisis
1975 February 1
February 2
Peter Gregg
Hurley Haywood
Brumos Porsche Porsche Carrera RSR G 59 2,606.040 mi (4,194.015 km) World Championship for Makes
IMSA GT Championship
1976 January 31
February 1
Peter Gregg
Brian Redman
John Fitzpatrick
BMW of North America BMW 3.0 CSL G 59 2,092.800 mi (3,368.035 km) IMSA GT Championship
1977 February 5
February 6
Hurley Haywood
John Graves
Dave Helmick
Ecurie Escargot Porsche Carrera RSR G 43 2,615.040 mi (4,208.499 km) World Championship for Makes
IMSA GT Championship
1978 February 4
February 5
Peter Gregg
Rolf Stommelen
Toine Hezemans
Brumos Porsche Porsche 935/77 G 99 2,611.200 mi (4,202.319 km) World Championship of Makes
IMSA GT Championship
1979 February 3
February 4
Hurley Haywood
Ted Field
Danny Ongais
Interscope Racing Porsche 935/79 G 0 2,626.560 mi (4,227.039 km) World Championship of Makes
IMSA GT Championship
1980 February 2
February 3
Rolf Stommelen
Volkert Merl
Reinhold Joest
L&M Joest Racing Porsche 935J D 2 2,745.600 mi (4,418.615 km) World Championship of Makes
IMSA GT Championship
1981 January 31
February 1
Bobby Rahal
Brian Redman
Bob Garretson
Garretson Racing/Style Auto Porsche 935 K3 G 9 2,718.720 mi (4,375.355 km) World Endurance Championship
IMSA GT Championship
1982 January 30
January 31
John Paul, Sr.
John Paul, Jr.
Rolf Stommelen
JLP Racing Porsche 935 JLP-3 G 18 2,760.960 mi (4,443.334 km) IMSA GT Championship
1983 February 5
February 6
A. J. Foyt
Preston Henn
Bob Wollek
Claude Ballot-Lena
Henn's Swap Shop Racing Porsche 935L G 6 2,373.120 mi (3,819.167 km) IMSA GT Championship
1984 February 4
February 5
Sarel van der Merwe
Tony Martin
Graham Duxbury
Kreepy Krauly Racing March 83G-Porsche G 00 2,476.800 mi (3,986.023 km) IMSA GT Championship
1985 February 2
February 3
A. J. Foyt
Bob Wollek
Al Unser
Thierry Boutsen
Henn's Swap Shop Racing Porsche 962 G 8 2,502.680 mi (4,027.673 km) IMSA GT Championship
1986 February 1
February 2
Al Holbert
Derek Bell
Al Unser, Jr.
Löwenbräu Holbert Racing Porsche 962 G 14 2,534.720 mi (4,079.236 km) IMSA GT Championship
1987 January 31
February 1
Al Holbert
Derek Bell
Chip Robinson
Al Unser, Jr.
Löwenbräu Holbert Racing Porsche 962 G 14 2,680.680 mi (4,314.136 km) IMSA GT Championship
1988 January 30
January 31
Raul Boesel
Martin Brundle
John Nielsen
Jan Lammers
Castrol Jaguar Racing (TWR) Jaguar XJR-9 D 60 2,591.680 mi (4,170.905 km) IMSA GT Championship
1989 February 4
February 5
John Andretti
Derek Bell
Bob Wollek
Miller/BFGoodrich Busby Racing Porsche 962 BF 67 2,210.760 mi (3,557.873 km) IMSA GT Championship
1990 February 3
February 4
Davy Jones
Jan Lammers
Andy Wallace
Castrol Jaguar Racing (TWR) Jaguar XJR-12D G 61 2,709.160 mi (4,359.970 km) IMSA GT Championship
1991 February 2
February 3
Hurley Haywood
"John Winter"
Frank Jelinski
Henri Pescarolo
Bob Wollek
Joest Racing Porsche 962C G 7 2,559.640 mi (4,119.341 km) IMSA GT Championship
1992 February 1
February 2
Masahiro Hasemi
Kazuyoshi Hoshino
Toshio Suzuki
Nissan Motorsports Intl. Nissan R91CP G 23 2,712.720 mi (4,365.700 km) IMSA GT Championship
1993 January 30
January 31
P. J. Jones
Mark Dismore
Rocky Moran
All American Racers Toyota Eagle MkIII G 99 2,484.880 mi (3,999.027 km) IMSA GT Championship
1994 February 5
February 6
Paul Gentilozzi
Scott Pruett
Butch Leitzinger
Steve Millen
Cunningham Racing Nissan 300ZX Y 76 2,516.609 mi (4,050.090 km) IMSA GT Championship
1995 February 4
February 5
Jürgen Lässig
Christophe Bouchut
Giovanni Lavaggi
Marco Werner
Kremer Racing Kremer K8 Spyder-Porsche G 10 2,456.400 mi (3,953.192 km) IMSA GT Championship
1996 February 3
February 4
Wayne Taylor
Scott Sharp
Jim Pace
Doyle Racing Riley & Scott Mk III-Oldsmobile D 4 2,481.320 mi (3,993.298 km) IMSA GT Championship
1997 February 1
February 2
Rob Dyson
James Weaver
Butch Leitzinger
Andy Wallace
John Paul Jr.
Elliott Forbes-Robinson
John Schneider
Dyson Racing Riley & Scott Mk III-Ford G 16 2,456.400 mi (3,953.192 km) IMSA GT Championship
1998 January 31
February 1
Mauro Baldi
Arie Luyendyk
Giampiero Moretti
Didier Theys
Doran-Moretti Racing Ferrari 333 SP Y 30 2,531.160 mi (4,073.507 km) U.S. Road Racing Championship
1999 January 30
January 31
Elliott Forbes-Robinson
Butch Leitzinger
Andy Wallace
Dyson Racing Team Inc. Riley & Scott Mk III-Ford G 20 2,520.480 mi (4,056.319 km) U.S. Road Racing Championship
2000 February 5
February 6
Olivier Beretta
Dominique Dupuy
Karl Wendlinger
Viper Team Oreca Dodge Viper GTS-R M 91 2,573.880 mi (4,142.258 km) Rolex Sports Car Series
2001 February 3
February 4
Ron Fellows
Chris Kneifel
Franck Fréon
Johnny O'Connell
Corvette Racing Chevrolet Corvette C5-R G 2 2,335.360 mi (3,758.398 km) Rolex Sports Car Series
2002 February 2
February 3
Didier Theys
Fredy Lienhard
Max Papis
Mauro Baldi
Doran Lista Racing Dallara SP1-Judd G 27 2,548.960 mi (4,102.153 km) Rolex Sports Car Series
2003 February 1
February 2
Kevin Buckler
Michael Schrom
Timo Bernhard
Jörg Bergmeister
The Racer's Group Porsche 911 GT3-RS D 66 2,474.200 mi (3,981.839 km) Rolex Sports Car Series
2004 January 31
February 1
Christian Fittipaldi
Terry Borcheller
Forest Barber
Andy Pilgrim
Bell Motorsports Doran JE4-Pontiac G 54 1,872.80 mi (3,013.98 km) Rolex Sports Car Series
2005 February 5
February 6
Max Angelelli
Wayne Taylor
Emmanuel Collard
SunTrust Racing Riley MkXI-Pontiac H 10 2,527.924 mi (4,068.300 km) Rolex Sports Car Series
2006 January 28
January 29
Scott Dixon
Dan Wheldon
Casey Mears
Target Ganassi Racing Riley MkXI-Lexus H 02 2,613.38 mi (4,205.82 km) Rolex Sports Car Series
2007 January 27
January 28
Juan Pablo Montoya
Salvador Durán
Scott Pruett
Telmex Ganassi Racing Riley MkXI-Lexus H 01 2,377.970 mi (3,826.972 km) Rolex Sports Car Series
2008 January 26
January 27
Juan Pablo Montoya
Dario Franchitti
Scott Pruett
Memo Rojas
Telmex Ganassi Racing Riley MkXI-Lexus P 01 2,474.200 mi (3,981.839 km) Rolex Sports Car Series
2009 January 24
January 25
David Donohue
Antonio García
Darren Law
Buddy Rice
Brumos Racing Riley MkXI-Porsche P 58 2,616.600 mi (4,211.009 km) Rolex Sports Car Series
2010 January 30
January 31
João Barbosa
Terry Borcheller
Ryan Dalziel
Mike Rockenfeller
Action Express Racing Riley MkXI-Porsche P 9 2,688.14 mi (4,326.15 km) Rolex Sports Car Series
2011 January 29
January 30
Joey Hand
Graham Rahal
Scott Pruett
Memo Rojas
Telmex Chip Ganassi Racing Riley MkXX-BMW C 01 2,563.53 mi (4,125.60 km) Rolex Sports Car Series
2012 January 28
January 29
A. J. Allmendinger
Oswaldo Negri
John Pew
Justin Wilson
Michael Shank Racing with Curb-Agajanian Riley MkXXVI-Ford C 60 2,709.16 mi (4,359.97 km) Rolex Sports Car Series
2013 January 26
January 27
Juan Pablo Montoya
Charlie Kimball
Scott Pruett
Memo Rojas
Chip Ganassi Racing Riley MkXXVI-BMW C 01 2,524.04 mi (4,062.05 km) Rolex Sports Car Series
2014 January 25
January 26
João Barbosa
Christian Fittipaldi
Sébastien Bourdais
Action Express Racing Coyote-Corvette DP C 5 2,474.200 mi (3,981.839 km) United SportsCar Championship
2015 January 24
January 25
Scott Dixon
Tony Kanaan
Kyle Larson
Jamie McMurray
Chip Ganassi Racing Riley MkXXVI-Ford C 02 2,634.400 mi (4,239.656 km) United SportsCar Championship
^A Races were red flagged during the event due to inclement weather, or a serious accident. The official timing of 24 hours did not stop during these periods.
^B Race record for most distance covered


  1. ^ a b c  
  2. ^ "Porsche Wins Daytona Race". St. Petersburg Times. 1959-04-06. Retrieved 2013-11-14. 
  3. ^ Motor Sport, March 1966, Pages 196–197. See also cover photograph and centre spread.
  4. ^ Motor Sport, March 1967, Pages 180–181. See also cover photograph and centre spread.
  5. ^ "Focus on 365 GTB4". Official Ferrari website. Ferrari. Archived from the original on 22 March 2010. Retrieved February 21, 2010. 
  6. ^ Motor Sport, March 1968, Pages 171–172. See also cover photograph and center spread.
  7. ^ Motor Sport, March 1969, Pages 236, 244.
  8. ^ Motor Sport, March 1969, Page 201. See also cover photograph.
  9. ^ "This Day in Autoweek History".  
  10. ^ "Daytona 24 Through The Years".  
  11. ^ , 1965 Daytona Speedweeks Program No 2, 15-28 February 1965, www.racingsportscars.comEntries for the fourth annual Daytona Continental Retrieved 8 June 2015
  12. ^ "Daytona – List of Races". Racing Sports Cars. Retrieved 21 June 2011. 

External links

  • Rolex 24 at Daytona
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