Question: Which two racers brought increased media attention to the 2001 24 Hours of Daytona at the Daytona International Speedway?

Context paragraphs:
2014 24 Hours of Daytona: The 52nd Rolex 24 at Daytona was an endurance sports car racing event held at the Daytona International Speedway, Daytona Beach, Florida from 23–26 January 2014.  The 52nd running of the 24 Hours of Daytona was also the inaugural race for the Tudor United SportsCar Championship as well as the newly merged International Motor Sports Association (IMSA) sanctioning body.  As part of the new series, Le Mans Prototype and Le Mans GT Endurance-style cars were eligible to participate for the first time in over a decade.

Daytona 500 Experience: The Daytona 500 Experience, formerly known as Daytona USA, was an interactive motorsports attraction and museum located at Daytona International Speedway in Daytona Beach, Florida.  Intrinsically linked to the Daytona 500, the museum primarily focused on exhibits related to NASCAR.  The attraction also included exhibits related to the Daytona 200 motorcycle race, the 24 Hours of Daytona, as well as the Daytona Beach & Road Course.

PowerShares QQQ 300: The PowerShares QQQ 300 is the first race of the NASCAR Xfinity Series season, 300 mi annual race held at Daytona International Speedway.  It is held the day before the Daytona 500, and is considered the most prestigious event of the Xfinity Series.  Until 2002, it was the only event of the Xfinity Series to be annually held at Daytona International Speedway.  Ryan Reed is the defending race winner after winning the race in 2017.

Daytona International Speedway: Daytona International Speedway is a race track in Daytona Beach, Florida, United States.  Since opening in 1959, it has been the home of the Daytona 500, the most prestigious race in NASCAR.  In addition to NASCAR, the track also hosts races of ARCA, AMA Superbike, USCC, SCCA, and Motocross.  The track features multiple layouts including the primary 2.5 mi high-speed tri-oval, a 3.56 mi sports car course, a 2.95 mi motorcycle course, and a 1320 ft karting and motorcycle flat-track.  The track's 180 acre infield includes the 29 acre Lake Lloyd, which has hosted powerboat racing.  The speedway is owned and operated by International Speedway Corporation.

2011 24 Hours of Daytona: The 2011 Rolex 24 at Daytona, ran on Saturday and Sunday, January 29–30, 2011 at the Daytona International Speedway, was the 49th running of the 24 Hours of Daytona endurance race.  The first race of the 2011 Rolex Sports Car Series season, it was broadcast on Speed Channel, with fourteen hours of live coverage, in addition to a considerable attendance.

2007 Daytona 500: The 2007 Daytona 500, the 49th running of the event, was the first race of the 2007 NASCAR NEXTEL Cup Series season, taking place on February 18, 2007, at Daytona International Speedway in Daytona Beach, Florida.  Kevin Harvick won the race by 0.02 second over Mark Martin in the closest finish since the first race at Daytona International Speedway when it took three days to declare Lee Petty the winner in 1959.  The race was decided by a green-white-checker finish for the third year in a row, with two extra laps added for a total of 202 laps and 505 miles .

2001 24 Hours of Daytona: The 2001 Rolex 24 at Daytona was a Grand-Am Rolex Sports Car Series 24-hour endurance sports car race held on February 3-4, 2001 at the Daytona International Speedway road course.  The race served as the first round of the 2001 Rolex Sports Car Series.  The race saw increased media attention due to Dale Earnhardt and Dale Earnhardt Jr. competing together for Corvette Racing.  The father-son duo finished the race 4th overall.

24 Hours of Daytona: 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 mi 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 WeatherTech SportsCar Championship.

2016 24 Hours of Daytona: The 54th Rolex 24 at Daytona was an endurance sports car racing event held at the Daytona International Speedway, Daytona Beach, Florida from 28–31 January 2016.  The 54th running of the 24 Hours of Daytona was also the first race for the 2016 WeatherTech SportsCar Championship season.

2015 24 Hours of Daytona: The 53rd Rolex 24 at Daytona was an endurance sports car racing event held at the Daytona International Speedway, Daytona Beach, Florida from 22–25 January 2015.  The 53rd running of the 24 Hours of Daytona was also the first race for the 2015 United SportsCar Championship season.

Supporting paragraphs: 2001 24 Hours of Daytona Daytona International Speedway
Answer: Dale Earnhardt and Dale Earnhardt Jr.