| 31 December 2009 | Fastest relay 100 miles by a team of 10 | 8/19/53 hour(s):minute(s):second(s) | ECU Cross-Country Alumni |
| 31 December 2009 | Longest ramp jump - car | 81.99 metre(s) | Travis Pastrana |
| 25 December 2009 | Most games of hopscotch played in one hour | 33 total number | Ashrita Furman |
| 22 December 2009 | Longest fingernails on a pair of hands (male) - ever | | Melvin Boothe |
| 18 December 2009 | Longest survivor of a biological heart valve replacement - single valve | | Lewis Dean |
| 08 December 2009 | First judicial single drug execution | | Kenneth Biros |
| 05 December 2009 | Longest marathon skipping | 33/20 hour(s):minute(s):second(s) | Joey Motsay |
| 29 November 2009 | Fastest marathon dressed as Elvis | 2/42/52 hour(s):minute(s):second(s) | Ian Sharman |
| 27 November 2009 | Most Guinness World Records™ books sold by a retail chain in 24 hours | 44647 unit(s) sold | Walmart |
| 22 November 2009 | Fastest propeller-driven boat | 420.0 kilometre(s) per hour | Problem Child |
| 22 November 2009 | Fastest marathon in full military uniform (female) | 4/54/15 hour(s):minute(s):second(s) | Sophie Hilaire |
| 14 November 2009 | Youngest player to score 50 points in an NBA match | 20 years 52 days year(s):day(s) | Brandon Jennings |
| 10 November 2009 | Youngest champion of the World Series of Poker | | Joe Cada |
| 07 November 2009 | Loudest bark by a group of dogs | 124 decibel(s) (A-weighted) | Sarah Julian |
| 05 November 2009 | Largest collection of surfboards | 647 total number | Donald Dettloff |
| 01 November 2009 | Most expensive bicycle sold at auction | 318000 UK pound(s) sterling | Butterfly bike |
| 31 October 2009 | Largest gathering of people dressed as Gorillas | | Mountain Gorilla Conservation Fund |
| 25 October 2009 | Longest marathon hula hooping | 74/54 hour(s):minute(s):second(s) | Aaron Hibbs |
| 25 October 2009 | Most stairs climbed whilst balancing books on the head in one minute | 122 total number | Ashrita Furman |
| 24 October 2009 | Largest singing lesson | | Edna Mae Anderson |
| 21 October 2009 | Shortest woman to give birth | 72.39 centimetre(s) | Stacey Herald |
| 13 October 2009 | Most corn cobs on a single plant | 16 total number | Tyler Craig |
| 09 October 2009 | Longest career as a radio presenter/DJ (male) | | Herbert Kent |
| 05 October 2009 | Most mentions of a name during a televised broadcast | | Michelle Beadle, Colin Cowherd |
| 02 October 2009 | Most basketball neck catches in one minute | 27 total number | Ashrita Furman |
| 01 October 2009 | Largest Wii Sports Bowling Tournament | | TexanPlus |
| 27 September 2009 | Most searched for celebrity wedding | | Chelsea Clinton and Marc Mezvinsky |
| 26 September 2009 | Most pancakes thrown and caught in one minute – team of two | | Ashrita Furman and Bipin Larkin |
| 26 September 2009 | Largest parade of BMW motorcycles | 241 total number | Herb Anderson |
| 21 September 2009 | Largest simultaneous premiere - screens | | The Age of Stupid |
| 20 September 2009 | Most siblings to complete a marathon | 16 people | Kapral family |
| 16 September 2009 | Largest parade of quadbikes (ATVs) | | Rocky Mountain ATV Jamboree |
| 14 September 2009 | Fastest time to enter a suitcase | | Leslie Tipton |
| 10 September 2009 | Largest solid rocket booster | 177 ft x 12 ft dimension(s) | Five-Segment Solid Rocket Booster |
| 05 September 2009 | Most expensive pressing iron sold at auction | $15,000 US dollar(s) | Ion Chirescu |
| 26 August 2009 | Most interviews on radio in 24 hours by an individual | 215 total number | John Zarling |
| 25 August 2009 | Fastest steam car (FIA approved) | 225.05 kilometre(s) per hour | British Steam Car Team |
| 22 August 2009 | Karaoke - most participants | | Bristol Motor Speedway |
| 09 August 2009 | Fastest 100 metres juggling a football | 17.53 second(s) | Abraham Munoz |
| 08 August 2009 | Highest Single-Credit Score on Time Crisis 3 | | Chris Spahn |
| 06 August 2009 | Largest matzah ball | 121.1 kilogram(s) | Noah's Ark Original Deli |
| 02 August 2009 | Most skateboard ollies in 30 seconds | | Sten Carr |
| 01 August 2009 | Most skateboard nollies in 30 seconds | 15 total number | Ivan Sebastian Cordova |
| 01 August 2009 | Most skateboard heelflips in 30 seconds | | Ivan Sebastian Cordova |
| 31 July 2009 | First amputee to win a summer x games gold medal | | Chris Ridgway |
| 31 July 2009 | Most skateboard rock and rolls in 30 seconds | | Terrance Covington, Dalton Price |
| 31 July 2009 | Largest parachute freeflying head-down formation | 108 people | International Team |
| 30 July 2009 | Most skateboard 360 frontside spins in 30 seconds | | Lunati Hamilton |
| 29 July 2009 | Fastest mile balancing a book on head | 8/27 minute(s):second(s) | Ashrita Furman |
| 29 July 2009 | Largest civilian formation flight | | Stu McCurdy |
| 27 July 2009 | Most grand slam home runs in a game | | Josh Willingham |
| 25 July 2009 | Highest air on a motorcycle (quarterpipe) | | Ronnie Renner |
| 25 July 2009 | Oldest wakeboarder | | Linda Brown |
| 23 July 2009 | Longest flight by solar-powered spyplane (UAV) | | Zephyr |
| 22 July 2009 | Longest duration juggling three objects | 12 hr 5 min hour(s):minute(s):second(s) | David Slick |
| 21 July 2009 | Most people wearing Groucho Marx glasses | 4436 people | City of Chicago's Outdoor Film Festival |
| 18 July 2009 | Largest musical saw ensemble | | Natalia Paruz |
| 16 July 2009 | Most Wii Play Table Tennis Volleys | | Kevin Connor |
| 09 July 2009 | Largest shower | 30.48 metre(s) | PertPlus Chicago Firefighters |
| 01 July 2009 | Heaviest commercial satellite | | TerreStar-1 |
| 30 June 2009 | Most scheduled flight journeys within 30 days | | Mark Malkoff |
| 28 June 2009 | Youngest driver to win NASCAR race | | Joey Logano |
| 28 June 2009 | Largest streetball tournament | | Spokane Hoopfest |
| 26 June 2009 | Largest collection of tea bag holders | 116 total number | Mimi Wilfong |
| 23 June 2009 | First zero gravity wedding | first | Erin Finnegan and Noah Fulmor |
| 23 June 2009 | Farthest distance cycling no handed in one hour (male) | | Erik Skramstad |
| 16 June 2009 | Fastest 50m hand walking on stilts | 1/30 minute(s):second(s) | Carlos Rodriguez Diaz |
| 14 June 2009 | Most consecutive eskimo rolls | 2018 total number | Randy Fine |
| 10 June 2009 | Tallest parsley plant | | David Brenner |
| 06 June 2009 | Highest score on the Legend of Zelda theme on Donkey Konga (Nintendo, 2003) | | Kevin M Lalonde |
| 02 June 2009 | Most interviews on radio in 24 hours by a team | 96 total number | TJ Walker, Jess Todtfeld |
| June 2009 | Wealthiest university | 36900000000 US dollar(s) | Harvard University |
| 30 May 2009 | Highest score on Guitar Hero III (single track) | | Danny Johnson |
| 30 May 2009 | Highest guitar score on Guitar Hero: Metallica (Activision, 2009) | 1009056 total number | Danny Johnson |
| 30 May 2009 | Longest continuous note streak achieved on a Guitar Hero game (non-custom tracks) | | Danny Johnson |
| 28 May 2009 | Fewest golf strokes to complete a marathon distance | | Jake Sand |
| 26 May 2009 | Longest career as a clarinetist | | Stanley Drucker |
| 23 May 2009 | Largest jambalaya | | Jambalaya Festival Association |
| 17 May 2009 | Highest full-setlist score on Rock Band 2 (Drums) | 10687033 point(s) | Robert Paz |
| 16 May 2009 | Longest line of pizzas | 541.8 metre(s) | Van Duzer Foundation, St. Lucie County Education Foundation |
| 15 May 2009 | First Major League Baseball team with 500 consecutive sell-outs | | Boston Red Sox |
| 14 May 2009 | Largest collection of casino chips and tokens | 554 total number | Bruce and Sue Wunder |
| 09 May 2009 | Most pancakes made in 8 hours by a team | | Batter Blaster LLC |
| 07 May 2009 | Largest physics lesson | 5401 people | Steve Spangler |
| 07 May 2009 | Largest meteorology lesson | | Mike Thompson & FOX 4 Weather Team |
| 04 May 2009 | Fastest victory in WWE Legends of Wrestlemania (Yuke's, 2009) | | Carmelo Consiglio |
| 29 April 2009 | Largest collection of Coca-Cola memorabilia | 945 total number | Rebecca Flores |
| 27 April 2009 | Highest margin of victory in an NBA playoff game | | Denver Nuggets |
| 24 April 2009 | Fastest quarter mile by a jet-powered motorcycle (elapsed time) | 202.55 mile(s) per hour | Kevin Martin |
| 18 April 2009 | Largest motorcycle poker run (different start and/or end points) | 2136 people | Red Knights International Motorcycle Club |
| 11 April 2009 | Oldest person christened / baptised | | Clarence Raymond Kannheiser |
| 09 April 2009 | Most visits into space by a tourist | 60000000 US dollar(s) | Charles Simonyi |
| 07 April 2009 | Largest collection of stickers for bumpers | 4131 total number | Bill T. Heermann |
| April 2009 | First virus powered battery | first | Massachusetts Institute of Technology |
| 26 March 2009 | Fastest speed on a land yacht | 202.9 kilometre(s) per hour | Greenbird |
| 11 March 2009 | Largest mobile (cell) phone | | Madeline Veal |
| 11 March 2009 | Smallest mp3 player | | iPod shuffle |
| 08 March 2009 | Largest snow softball tournament | 795 people | Freezing Fun For Families Winter CO-ED Softball Tournament |
| 07 March 2009 | Fastest speed skating [long track] 1,000 m (male) | 1:06.42 minute(s):second(s) | Shani Davis |
| 03 March 2009 | Most people playing four square simultaneously (multiple venues) | | Hope Beckham and Cartoon Network King |
| March 2009 | Smallest nano calligraphy | 0.3e-12 nanometre(s) | Hari Manoharan and Christopher Moon |
| 28 February 2009 | Longest sword swallowed | 58 centimetre(s) | Natasha Veruschka |
| 25 February 2009 | Largest skateboard | | Rob Dyrdek |
| 16 February 2009 | Most basketball headers while spinning two basketballs | 40 total number | Tommy Baker |
| 16 February 2009 | Most hair styles in 8 hours | 32 total number | Rachel Brown |
| 15 February 2009 | Most consecutive chest and head rolls using 3 basketballs | 10 total number | Tommy Baker |
| 15 February 2009 | Farthest distance by hand-cranked cycle in 24 hours (male) | 649.85 kilometre(s) | Thomas Lange |
| 14 February 2009 | Most backboard passes to a dunk in 30 seconds using a mini-trampoline (team) | 35 total number | Team Acrodunk |
| 14 February 2009 | Most consecutive three pointers scored on NBA 2K9 | | Marcus Platt |
| 08 February 2009 | Most vertical feet skied uphill in 24 hours (female) | | Dina Mishev |
| 08 February 2009 | Most vertical feet uphill in snow shoes in 24 hours (female) | | Eileen Wysocki |
| 02 February 2009 | First 3D spy | | Chuck |
| 26 January 2009 | Most children delivered at a single birth to survive | 8 people | Nadya Suleman |
| 20 January 2009 | First African-American president of the USA | 605000000 US dollar(s) | Barack Obama |
| January 2009 | First president with regular email access | first | Barack Obama |
| 2009 | Largest oil consumption | | USA |
| 2009 | Largest supplier of fighter aircraft | | USA |
| 2009 | First catamaran made from plastic | 10500 nautical mile(s) | David de Rothschild, Plasti-Ki |
| 2009 | Most expensive magazine | 6500 US dollar(s) | Nomenus Quarterly |
| 2009 | Smallest test tube experiment | first | Scientists at the University of Texas |
| 2009 | Most downloaded act in a year (USA) - female | | Lady Gaga aka Stefani Joanne Angelina Germanotta |
| 2009 | First animated feature produced in stereoscopic 3D | first | Monsters Vs. Aliens (USA, 2009) |
| 2009 | First female wildcard to win a tennis grand slam | first | Kim Clijsters |
| 2009 | Youngest captain of a Stanley Cup winning team | | Sidney Crosby |
| 2009 | First winner of a Best Actress Oscar and a Worst Actress Razzie in the same year | first | Sandra Bullock |
| 2009 | First climigration | first | Unknown |
| 2009 | Largest patent case award | 1670000000 US dollar(s) | Abbott Laboratory |
| 2009 | Most Solheim Cup wins, Team | 8 total number | USA |
| 1991-1997, 2000-2007, 2009 | Most wins of Duo of the Year at the Academy of Country Music Awards | | Brooks & Dunn |
| 2009 | Tallest tree living | 115.85 metre(s) | Hyperion |
| 2009 | First video phone watch | first | LG GD910 Watch Phone |
| 2009 | Largest arms transfers | | Combat aircraft sales |
| 2009-2013 | Most consecutive wins of Female Vocalist of the Year at the Academy of Country Music Awards | | Miranda Lambert |