- 450 Class debutant Ryan Dungey is the first rider in AMA history to win both the AMA Supercross and AMA Motocross premier-class titles as a rookie.
- Since capturing his first career title in the 2009 AMA Supercross Lites West Region, Ryan Dungey has won four consecutive championships.
- Dungey is the youngest rider in history to win all four AMA championships and the first to do so consecutively.
- After a poor start to the season in which he finished eighth overall, Ryan Dungey went on to win 19 of the next 22 motos and 10 of the 11 remaining rounds. His average finish jumped from 8.0 to 3.3. He was the only rider in the class to win more than one moto.
- Andrew Short led all riders with 11 holeshots, capturing at least one in eight of the 12 rounds. Eight different riders claimed holeshots in both classes in 2010.
- Dungey led 48% of the laps completed in 2010 in the 450 Class.
- Brett Metcalfe and Nick Wey are the only two 450 Class riders to score points in all 24 motos.
- With his win at Steel City, Kevin Windham became the oldest winner in AMA history.
- With five different winners throughout the 12 rounds of the championship, the 250 Class experienced the most parity since the 2005 season that featured six different winners.
- Of the five different winners in the 250 Class, four experienced victory for the first time in their careers.
- Trey Canard overcame a 55-point deficit over the second half of the season to win the 250 Class title.
- Through the first half of the season, Christophe Pourcel won seven of the 12 250 Class motos with at least one win at each of the first six rounds. In the second half he won just two motos over the final 12. His average finish fell from 2.5 to 6.9 over that span.
- Tyla Rattray holds the unique statistic of two overall victories in 2010 despite leading just one lap in the 250 Class. Both of his overall wins came via a pair of runner-up finishes.
- Dean Wilson claimed Rookie of the Year honors with two overall wins and a fourth place championship result in the 250 Class.
- Eli Tomac became the first rider in history to win his professional debut.
- GEICO Powersports Honda and Monster Energy/Pro Circuit/Kawasaki won every 250 Class moto in 2010 and split overall wins with six apiece.
- Jessica Patterson became just the second factory-backed rider to win a WMX title.
- Ashley Fiolek captured an astonishing 13 of 16 holeshots but still came up short in her bid for a third consecutive title, despite an average finish of 1.9.
- Patterson and Fiolek were the only riders to lead a lap in the WMX class in 2010.
- Alexah Pearson captured Rookie of the Year honors and a Loretta Lynn's Amateur National Championship title.
Suzuki won its 10th 450 Championship:
Tony DiStefano - '75, '76, '77
Kent Howerton - '80,'81
Greg Albertyn - '99
Ricky Carmichael - '05, '06
Chad Reed - '09
Ryan Dungey - '10
Suzuki has also won four of the last six championships in the 450 Class.
- Ryan Dungey becomes the 22nd different rider to win a 450 Class championship and the 13th different rider to win a Supercross and Motocross title in the premier class:
- Bob Hannah, Donnie Hansen, David Bailey, Jeff Ward, Rick Johnson, Jeff Stanton, J.M. Bayle, Jeremy Mcgrath, Jeff Emig, Ricky Carmichael, James Stewart, Chad Reed and Ryan Dungey
- Dungey has 10 career 450 Class wins. He is tied with Kevin Windham for 10th all time.
- Dungey's 10 wins as a rookie is the most in history by a first-year rider. His point total of 543 is also a record.
- Dungey becomes just the fourth rookie in AMA Motocross history to win the 450 Class championship:
Jeff Ward - 1985
Jean Michel Bayle - 1991
Ricky Carmichael - 2000
Ryan Dungey - 2010
- Ryan Dungey, Belle Plaine, Minn., Suzuki, 543
- Brett Metcalfe, Australia, Honda, 398
- Andrew Short, Smithville, Texas, Honda, 393
- Ben Townley, New Zealand, Honda, 321
- Mike Alessi, Victorville, Calif., KTM, 314
- Kyle Chisholm, Valrico, Fla., Yamaha, 266
- Josh Grant, Riverside, Calif., Yamaha, 260
- Ryan Sipes, Vine Grove, Ky., Yamaha, 234
- Kyle Regal, Kemp, Texas, Honda, 224
- Nick Wey, Dewitt, Mich., Kawasaki, 223
- Honda won its 13th 250 Championship
Marty Smith - '74, '75
Johnny O'Mara - '83
Ron Lechien - '85
Micky Dymond - '86, '87
George Holland - '88
Mike Kiedrowski - '89
Doug Henry - '93, '94
Steve Lamson - '95, '96
Trey Canard - '10
- Trey Canard's title ends a 13-year drought for Honda.
- Canard becomes the 24th different rider to win a 250 Class championship.
- Canard's championship for Honda results in a two-year drought for Mitch Payton's Monster Energy/Pro Circuit/Kawasaki team - the longest since capturing its inaugural title in 1997.
- Canard becomes the eighth rider in AMA history to win an AMA Supercross and AMA Motocross title in the smaller displacement.
- Canard has five career 250 Class wins. He sits 26th all-time, tied with Ben Townley, Broc Hepler, Ryan Hughes and fellow Oklahoman Robbie Reynard.
- Trey Canard, Shawnee, Okla., Honda, 474
- Tyla Rattray, South Africa, Kawasaki, 446
- Christophe Pourcel, France, Kawasaki, 443
- Dean Wilson, Scotland, Kawasaki, 437
- Justin Barcia, Ochlocknee, Ga., Honda, 348
- Eli Tomac, Cortez, Colo., Honda, 327
- Broc Tickle, Holly, Mich., Yamaha, 287
- Blake Wharton, Pilot Point, Texas, Honda, 285
- Martin Davalos, Ecuador, Yamaha, 251
- Wil Hahn, Decatur, Texas, Honda, 213
- Jessica Patterson claimed her record sixth WMX Class title, making her the most successful female rider in AMA history.
- Patterson never finished below second all season, winning six of the eight rounds and boasting an average finish of 1.4.
- Jessica Patterson, Tallahassee, Fla., Yamaha, 382
- Ashley Fiolek, St. Augustine, Fla., Honda, 360
- Tarah Gieger, Winter Gardens, Fla., Honda, 295
- Vicki Golden, El Cajon, Calif., Yamaha, 252
- Mariana Balbi, Brazil, Yamaha, 239
- Sara Price, Canyon Lake, Calif., Kawasaki, 230
- Sarah Whitmore, Cheboygan, Mich., KTM, 219
- Alexah Pearson, Rocklin, Calif., Yamaha, 202
- Tatum Sik, Temecula, Calif., Yamaha, 179
- Jacqueline Strong, Sedona, Ariz., Yamaha, 154