Lightweight Twins class machines (Honda Hawk 650, Kawasaki Ninja 650, Suzuki SV650, Yamaha FZ07/MT07, Aprilia RS660, Ducati 800/900 2v, 748/6**)Times were ran during an official race event using the official timing and scoring result. Not during a track day and not on a stop watch. If you have a record to add please email sam@lwtracer.com. Show me a photo of the results sheet or a link to said lap time.
| Track | Rider | Tire | Bike | Club | Lap Time | Date |
| Arroyo Seco Raceway CCW | Roger Heemsbergent | Pirelli | Honda NT650 | ASMA | 1:12.956 | 5/4/2015 |
| Arroyo Seco Raceway CW | Roger Heemsbergent | Michelin | Kawasaki 650r | ASMA | 1:13.6 | 9/10/2006 |
| Auto Club Speedway | Tyler Linders | Bridgestone | Suzuki SV650 | WERA | 1:35.606 | 9/11/2011 |
| Barber Motorsports Park | Alessandro Di Mario | Dunlop | Aprilia RS660 | MotoAmerica | 1:28.269 | 5/17/2022 |
| Blackhawk Farms | Kevin Van Engen | Pirelli | Suzuki SV650 | CCS | 1:12.682 | 9/27/2015 |
| Brainerd Competition Course | Alessandro Di Mario | Dunlop | Aprilia RS660 | MotoAmerica | 1:35.505 | 6/16/2024 |
| Brainerd Donnybrooke Course | Christian Schmidt | Pirelli | Kramer Evo2 | CRA | 1:47.025 | 10/3/2020 |
| Buttonwillow | Bradley Champion | Pirelli | Suzuki SV650 | AFM | 1:52.511 | 10/21/2017 |
| Carolina Motorsports Park | Gus Rodio | Dunlop | Aprilia RS660 | WERA | 1:34.160 | 6/10/2023 |
| Chuckwalla Valley CCW | Justin Bordonaro | Pirelli | Aprilia RS660 | CVMA | 1:50.876 | 3/27/2022 |
| Chuckwalla Valley CW | David Anthony | Dunlop | Yamaha R7 | CVMA | 1:49.330 | 1/22/2023 |
| Circuit of The Americas | Alessandro Di Mario | Dunlop | Aprilia RS660 | MotoAmerica | 2:17.147 | 9/14/2024 |
| Daytona International Speedway | Gus Rodio | Dunlop | Aprilia RS660 | MotoAmerica | 1:55.119 | 3/9/2024 |
| Grattan Raceway CW | Simon Buric | Michelin | Suzuki SV650 | WERA | 1:23.231 | 8/28/2016 |
| Gateway International | Joe Behlmann | Dunlop | Yamaha FZ07 | MCRA | 1:08.589 | 7/22/2018 |
| Grattan Raceway CCW | Joseph Blasius | Dunlop | Suzuki SV650 | WERA | 1:24.434 | 8/3/2019 |
| Hallett Motor Racing | Cooper McDonald | Michelin | Yamaha FZ07 | CMRA | 1:19.267 | 9/16/2018 |
| Indianapolis | Rocco Landers | Dunlop | Suzuki SV650 | MotoAmerica | 1:44.868 | 10/10/2020 |
| Jennings GP | Dane Westby | Michelin | Suzuki SV650 | WERA | 1:20.330 | 9/28/2007 |
| Laguna Seca | Gus rodio | Dunlop | Aprilia RS660 | MotoAmerica | 1:29.269 | 7/9/2023 |
| Las Vegas | Tyler Linders | Bridgestone | Suzuki SV650 | WERA | 1:22.694 | 10/2/2011 |
| Mid Ohio | Jared Trees | Bridgestone | Suzuki SV650 | WERA | 1:34.483 | 7/26/2024 |
| New Hampshire Motor Speedway | Benjamin Gloddy | Dunlop | Aprilia RS660 | LRRS | 1:12.184 | 10/1/2022 |
| Nelson Ledges | Kayla Yaakov | Michelin | Kramer Evo2 | WERA | 1:07.972 | 9/26/2020 |
| New Jersey Motorsports Park | Rocco Landers | Dunlop | Aprilia RS660 | MotoAmerica | 1:24.659 | 9/22/2023 |
| Pittsburgh International Race Complex | Alessandro Di Mario | Dunlop | Aprilia RS660 | WERA | 1:46.861 | 8/10/2024 |
| Pittsburgh IRC (MA Chicane OLD) | Blake Davis | Dunlop | Yamaha R7 | MotoAmerica | 1:47.114 | 8/20/2022 |
| Pittsburgh IRC (MA Chicane NEW) | Rocco Landers | Dunlop | Aprilia RS660 | MotoAmerica | 1:47.736 | 8/19/2023 |
| Pueblo Motorsports park | Jason Madama | Dunlop | Yamaha FZ07 | MRA | 1:37.334 | 6/23/2019 |
| Road America | Alessandro Di Mario | Dunlop | Aprilia RS660 | MotoAmerica | 2:23.321 | 6/1/2024 |
| Road Atlanta | Rocco Landers | Dunlop | Aprilia RS660 | MotoAmerica | 1:31.907 | 4/21/2023 |
| Roebling Road Raceway | Alessandro Di Mario | Dunlop | Aprilia RS660 | WERA | 1:13.107 | 7/14/2024 |
| Portland International Raceway | Oliver Jervis | Pirelli | Suzuki SV650 | OMRRA | 1:12.906 | 8/22/2009 |
| Portland International (Chicane) | ||||||
| Sandia Motorsports Park | Bradley Champion | Pirelli | Suzuki SV650 | SMRI | 0:53.625 | 5/22/2017 |
| Sonoma | Michael Barnes | Dunlop | Ducati M797 | MotoAmerica | 1.42.610 | 8/11/2019 |
| Summit Point | Spencer Humphreys | Dunlop | Yamaha R7 | CCS | 1.16.474 | 6/29/2023 |
| Talladega Gran Prix Raceway | Chris Parrish | Dunlop | Suzuki SV650 | WERA | 0:59.917 | 8/17/2019 |
| The Ridge (MA Chicane) | Anthony Mazziotto III | Dunlop | Aprilia RS660 | MotoAmerica | 1:46.152 | 6/25/2022 |
| The Ridge | ||||||
| Thunderhill | Jason Catching | Pirelli | Suzuki SV650 | AFM | 1.54.826 | 8/10/2015 |
| Virginia International Raceway | Jody Barry | Dunlop | Aprilia RS660 | MotoAmerica | 1:30.082 | 5/21/2022 |
| Utah Perimeter Course | Chris Parrish | Dunlop | Suzuki SV650 | MotoAmerica | 2:03.134 | 7/21/2018 |
| Utah East Course | Alex Dumas | Dunlop | Suzuki SV650 | MotoAmerica | 1:36.231 | 6/16/2019 |
| Willow Springs | Tyler Linders | Bridgestone | Suzuki SV650 | WSMC | 1:27.198 | 9/18/2011 |
