- Won his 22nd pole at Texas Motor Speedway in Fort Worth with the fastest NASCAR lap ever on a 1.5-mile oval at 200.915 mph.
- Made his 600th start on August 19 at Bristol (Tenn.) Motor Speedway. Started 25th and finished fifth.
- Earned his first victory of the season February 26 in the season-opening Daytona 500 at Daytona (Fla.) International Speedway. Busch started eighth and led once for one lap en route to his 29th career NASCAR Monster Energy Cup Series victory, his first win at Daytona and his first win at a restrictor-plate racetrack.
- Finished seventh in Monster Energy NASCAR Cup Series point standings as a member of the 16-driver Chase for the Championship. It was the 10th time in his career he qualified for the Chase.
- By completing all 138 laps of the Pennsylvania 400 at Pocono (Pa.) Raceway, Busch set a NASCAR record for 100-percent lap completion at 21 races, eclipsing the 20-race streak that Dale Earnhardt Jr. posted in 2012. He would extend the streak to 22 races at Watkins Glen (N.Y.) International.
- Earned his first victory of the season June 6 in the Axalta “We Paint Winners” 400 at Pocono. Busch started ninth and led once for a 32 laps en route to his 28th career NASCAR Cup Series victory and his third win at Pocono.
- Won back-to-back NASCAR Cup Series poles at Atlanta Motor Speedway on Feb. 26 and at Las Vegas Motor Speedway on March 4. It marked the 20th and 21st poles of Busch’s career. He set the NASCAR Cup Series
qualifying record at Las Vegas with a time of 27.505 seconds at 196.328 mph.
- Finished eighth in Monster Energy NASCAR Cup Series point standings as a member of the 16-driver Chase for the Championship. It was the ninth time in his career he qualified for the Chase.
- By virtue of his eighth-place finish in the Brickyard 400 at Indianapolis Motor Speedway on July 26, Busch secured his spot in the 2015 Chase. Busch made his ninth career and third consecutive appearance in NASCAR’s 10-race playoff.
- Earned his second NASCAR Cup Series victory of the season June 14 in the rain-shortened Michigan 400 at Michigan International Speedway in Brooklyn. Busch started 24th and led six laps en route to his 27th career NASCAR Cup Series victory and his third win at Michigan.
- Won the NASCAR Cup Series pole June 5 at Pocono for the Axalta “We Paint Winners” 400 with a lap of 50.676 seconds at 177.599 mph.
- Earned his first victory of the season April 26 in the Richmond 400 at Richmond (Va.) International Raceway. Busch started third and led six times for a race-high 291 laps en route to his 26th career NASCAR Cup Series victory and his second win at Richmond. Busch’s Stewart-Haas Racing (SHR) teammate Kevin Harvick finished just .754 of a second behind Busch, marking the second time in team history that SHR finished 1-2.
- Won the NASCAR Cup Series pole April 10 at Texas Motor Speedway in Fort Worth for the Duck Commander 500 with a lap of 27.857 seconds at 193.847 mph. Busch’s SHR teammate Harvick qualified second to give SHR a sweep of the front row for the second time in 2015 and the third time in company history. The last time SHR qualified 1-2 was March 20, 2015 at Auto Club Speedway in Fontana, California, when Busch won the pole and Harvick qualified second.
- Won the NASCAR Cup Series pole March 20 at Auto Club Speedway in Fontana, California, for the Auto Club 400 with a lap of 38.889 seconds at 185.142 mph. Busch’s teammate Harvick qualified second to give SHR a sweep of the front row. The last time SHR qualified 1-2 was July 15, 2011 at New Hampshire Motor Speedway. Ryan Newman won the pole while Tony Stewart qualified second.
- Finished 12th in Monster Energy NASCAR Cup Series point standings as a member of the 16-driver Chase for the Championship. It was the eighth time in his career he qualified for the Chase.
- His eighth-place finish at Texas marked his 200th career NASCAR Cup Series top-10 finish.
- Attempted “The Double” by racing both the Indianapolis 500 at Indianapolis Motor Speedway and the Coca-Cola 600 at Charlotte (N.C.) Motor Speedway on May 25. He finished sixth at Indianapolis, which tied SHR co-owner Tony Stewart for the highest finish by a driver in the first half of a Double attempt. Busch suffered an engine malfunction at Charlotte and finished 40th. He completed 906.5 of the combined 1,100 miles for both races. He completed all 200 laps at Indianapolis and 271 of the scheduled 400 laps at Charlotte.
- Won the STP 500 at Martinsville (Va.) Speedway on March 30. It snapped an 83-race winless streak for Busch and delivered SHR co-owner Gene Haas and sponsor Haas Automation its first NASCAR Cup Series win as a primary sponsor.
- On Tuesday, March 3, Busch announced on the “FOX and Friends” television morning show his plan to race in both the Indianapolis 500 and the Coca-Cola 600 on May 25, 2014. Busch was just the fourth driver in the history of both races to attempt “The Double” and the first since Robby Gordon in 2004.
- Finished 10th in Monster Energy NASCAR Cup Series point standings as a member of the 13-driver Chase for the Championship. It was the seventh time in his career he qualified for the Chase.
- Helped secure a berth in the Chase for Furniture Row Racing, making the Colorado-based team the first single-car organization to make the Chase in the event’s 10-year history.
- Twice earned a season-best finish of second-place – at Richmond on Sept. 7 and Kansas Speedway in Kansas City on Oct. 6. His runner-up finish at Kansas marked his 100th career NASCAR Cup Series top-five finish.
- Won one NASCAR Cup Series pole at Darlington (S.C.) Raceway on May 10 to bring his career total to 16.
- Finished 25th in Monster Energy NASCAR Cup Series point standings after driving for two teams during the course of the season.
- Moved to Furniture Row Racing for the final six races of the season beginning with the Oct. 13 race at Charlotte. Ended season on a strong note with three consecutive top-10 finishes.
- Started the season with Phoenix Racing and scored a season-best finish of third at Sonoma (Calif.) Raceway on June 24.
- Won two NASCAR Xfinity Series races for two different teams in 15 starts. Wins came at Richmond on April 27 for Kyle Busch Motorsports and at Daytona (Fla.) International Speedway on July 6 for Phoenix Racing. The two wins brought Busch’s career total to five Xfinity Series wins.
- Finished 11th in Monster Energy NASCAR Cup Series point standings as a member of the 12-driver Chase for the Championship. It was the sixth time in his career he qualified for the Chase.
- Won the non-points NASCAR Cup Series race at Daytona on Feb. 11 for his first win ever on a superspeedway.
- Won the first of the two Can-Am Duels at Daytona on Feb. 17.
- Won two NASCAR Cup Series points races – Sonoma on June 26 and Dover (Del.) International Speedway on Oct. 2. The win at Dover marked the 24th of his career and moved him to 26th on the all-time NASCAR Cup Series win list. The wins extended his streak to 10 consecutive seasons with at least one victory.
- Took the NASCAR Cup Series points lead after a ninth-place finish on March 6 at Las Vegas.
- Won three consecutive NASCAR Cup Series poles – Kansas on June 4, Pocono on June 11 and Michigan on June 18. The three poles brought Busch’s career total to 15.
- Won third career NASCAR Xfinity Series race on Aug. 13 at Watkins Glen. It was the only Xfinity Series start of the season for Busch. The win was his second career Xfinity Series win at Watkins Glen. He won the race after starting from the pole.
- Finished 11th in Monster Energy NASCAR Cup Series point standings as a member of the 12-driver Chase for the Championship. It marked the fifth time in his career that he qualified for the Chase.
- Won two NASCAR Cup Series points races – Atlanta Motor Speedway on March 7 and Charlotte on May 30. The wins brought his career win total in Cup Series competition to 22 and extended his streak to nine consecutive seasons with at least one victory.
- Won two NASCAR Cup Series poles – Las Vegas on Feb. 26 and Michigan on June 11. The two poles were the 11th and 12th of his career.
- Won the non-points NASCAR All-Star race at Charlotte on May 22.
- Finished fourth in Monster Energy NASCAR Cup Series point standings as a member of 12-driver Chase for the Championship.
- Won two NASCAR Cup Series points races – Atlanta on March 8 and Texas on Oct. 8. Busch won the race at Atlanta after leading a race-high 234 of the 330 laps.
- The win at Texas was the 20th of Busch’s career and the first for him in Texas. The two NASCAR Cup Series wins extended Busch’s streak to eight consecutive seasons with at least one victory.
- Busch led the championship point standings after a sixth-place finish on April 26 at Talladega.
- Finished 18th in Monster Energy NASCAR Cup Series point standings.
- Won the NASCAR Cup Series race on June 29 at New Hampshire Motor Speedway in Loudon. It was Busch’s third Cup Series win at the track.
- Finished in the runner-up position in the season-opening Daytona 500.
- Competed for the second time in the Rolex 24 At Daytona on Jan. 27-28 for Penske-Taylor Racing with co-drivers Ryan Briscoe and Helio Castroneves. The team led 10 laps before earning a third-place finish. It was Busch’s first podium finish in the Rolex 24.
- Finished sixth in Monster Energy NASCAR Cup Series point standings as a member of 12-driver Chase for the Championship.
- Won two NASCAR Cup Series points races – Pocono on July 15 and Michigan on Aug. 12. Earned a perfect Driver Rating of 150.0 in his win at Pocono.
- Won the NASCAR Cup Series pole at Fontana. It was the 10th pole of Busch’s career.
- Won second career Xfinity Series pole at Watkins Glen, making it the second year in a row Busch started the Xfinity Series race at the road course from the pole.
- Finished 16th in Monster Energy NASCAR Cup Series point standings in his first season with Penske Racing.
- Scored one NASCAR Cup Series points race win – Bristol (Tenn.) Motor Speedway on March 26. The win at Bristol was his fifth career win at the track.
- Won six NASCAR Cup Series poles – Fontana (February and September races), Sonoma, Watkins Glen, Bristol, and Martinsville. The pole at Sonoma was Busch’s first on a road course.
- Competed in and won first career Xfinity Series race on April 8 at Fontana. Busch became the 16th driver to win at least on race in each of NASCAR’s three national series – NASCAR Cup Series, Xfinity and Camping World Truck.
- Won second career Xfinity Series race on Aug. 12 at Watkins Glen. The win was scored from the pole.
- Finished 10th in Monster Energy NASCAR Cup Series point standings as a member of the 10-driver Chase for the Championship.
- Won three NASCAR Cup Series point races – Phoenix International Raceway on April 23, Pocono on July 24 and Richmond on Sept. 10.
- The win at Pocono was Busch’s first on a track longer than two miles.
- Competed in IROC XXIX. Finished sixth in IROC points.
- Competed for the first time in the Rolex 24 At Daytona on Feb. 5-6 for Multimatic Motorsports with co-drivers Scott Maxwell, Matt Kenseth and Greg Biffle. Team finished 27th after a part failure.
- Earned Monster Energy NASCAR Cup Series championship by a margin of eight points over Jimmie Johnson by virtue of a fifth-place finish in the season finale at Homestead-Miami Speedway.
- During the 10-race Chase, Busch scored one win, six top-five and nine top-10 finishes. He scored 55 bonus points for leading laps during the Chase, more than any other driver.
- Won three NASCAR Cup Series points races – Bristol on March 28 and New Hampshire on July 25 and Sept. 19. The win at Bristol was Busch’s fourth victory at the track.
- For the second time in his career, Busch completed a season sweep of a track’s events by winning both races at New Hampshire.
- Won two NASCAR Cup Series poles – Darlington on Nov. 12 and Homestead on Nov. 19. The poles were Busch’s third and fourth of his career.
- Competed in IROC XXVIII. Finished fifth in IROC points.
- Finished 11th in Monster Energy NASCAR Cup Series point standings.
- Took the NASCAR Cup Series points lead for first time in his career following a second-place finish on Feb. 23 at North Carolina Speedway in Rockingham.
- Won four NASCAR Cup Series points races – Bristol on March 23, Fontana on April 27, Michigan on June 15 and Bristol on Aug. 23.
- Completed first career sweep by winning both races at Bristol. The second of the two Bristol victories was his third career win at the half-mile track.
- The win at Fontana was Busch’s first 500-mile win.
- Secured the IROC XXVII championship with a fourth-place finish at the season finale on Aug. 2 in Indianapolis. En route to the IROC championship, Busch scored his first IROC victory at Talladega (Ala.) Superspeedway on April 5. Busch won the championship by a margin of 11 points over Mark Martin. It was his first year participating in IROC competition.
- Finished third in Monster Energy NASCAR Cup Series point standings.
- Won four NASCAR Cup Series points races – Bristol on March 24, Martinsville on Oct. 20, Atlanta on Oct. 27 and Homestead on Nov. 17. Wins at Martinsville and Atlanta were back-to-back victories, a first in NASCAR Cup Series competition for Busch.
- Three of the points-paying race wins were scored in the span of five events, with victory at Homestead coming from the pole.
- Won the pole at Homestead for his second career pole.
- Finished 27th in Monster Energy NASCAR Cup Series point standings in first full NASCAR Cup Series season.
- Won first NASCAR Cup Series pole on Aug. 31 at Darlington. Led the race for 74 laps before mechanical problems ended the day.
- Finished a season-best third at Talladega on April 22.
- Scored three top-five and six top-10 finishes.
- Made one NASCAR Camping World Truck Series start at the Milwaukee Mile, earning a fifth-place finish.
- Finished second in Camping World Truck Series point standings.
- Won first Truck Series race on July 1 at Milwaukee after earning his first career Truck Series pole on June 30.
- Won a total of four Truck Series races – Milwaukee on July 1, New Hampshire on July 8, Dover on Sept. 22 and Fontana on Oct. 28. The wins at Milwaukee and New Hampshire were back-to-back victories.
- Named 2000 Truck Series Rookie of the Year.
- Made Monster Energy NASCAR Cup Series debut on Sept. 24 at Dover, where he finished 18th after starting 10th.
- Started seven NASCAR Cup Series races with his best finish being a 13th-place effort at Charlotte on Oct. 8.
- Won NASCAR Southwest Series championship.
- Won seventh career Southwest Series race.
- Participated in and won the Roush Racing “Gong Show” audition to become the new driver of the No. 99 Roush Racing Ford in the Camping World Truck Series.
- Named the Southwest Series Rookie of the Year.
- Competed in the Winter Heat Series at Tucson (Ariz.) Raceway Park.
- Joined the Star Nursery race team to compete in the Southwest Series.
- Won the Hobby Stock track championship at Las Vegas Speedway Park.
- Named the Legends Cars National Rookie of the Year.
- Won the Legends Cars Western States championship.
- Won the Nevada State Dwarf Car championship.
- Won the Las Vegas Speedway Park Dwarf Car championship.
- Named the Nevada State Dwarf Car Rookie of the Year.
- Competed in first Dwarf Car competition event at age 14 at Pahrump (Nev.) Valley Speedway.
- Won first Dwarf Car race in his second start in the series while competing at the Las Vegas Speedway Park.