| Dates | Course | LMSC | 2023 Meets |
|---|
| Jun 24, 2023 | LCM | OH | YNWL LCM Last Chance |
| Jun 23-25, 2023 | LCM | SP | 2023 SLOS Firecracker Invitational |
| Jun 23-25, 2023 | LCM | AZ | Starlight ABC Invitational |
| Jun 23-24, 2023 | SCY | FL | Area 6 Summer Championships (USA-S) |
| Jun 23-24, 2023 | LCM | AR | Fort Smith Recordsetter 2023 |
| Jun 22-25, 2023 | LCM | SC | 2023 SC YSSC 20th Annual LC Firecracker Invitational |
| Jun 17-18, 2023 | LCM | NT | 2023 TFAM Chasing Cuts Invitational |
| Jun 17-18, 2023 | LCM | NC | MOR Liberty Meet |
| Jun 17, 2023 | LCM | VA | Big Kahuna Masters Classic |
| Jun 17, 2023 | LCM | NJ | Somerset County YMCA Masters "Summer Tsunami" LCM Swim Meet |
| Jun 17, 2023 | LCM | PC | 2023 QuickSilver Masters Fast and Free LCM Meet |
| Jun 17, 2023 | LCM | OH | 2023 MIAMI REDFIN LONG COURSE MEET |
| Jun 17, 2023 | LCM | IN | 10th Annual MMA Summer Splash |
| Jun 17, 2023 | LCM | WI | 2023 Wisconsin LCM State Champs at Schroeder |
| Jun 17, 2023 | LCM | PV | DC Water Wizards Juneteenth Long Course Meters Relay Meet |
| Jun 16-18, 2023 | LCM | AZ | MAC Narwhal Invite |
| Jun 16-17, 2023 | LCM | SC | 2023 Greenville Splash LCM Invitational |
| Jun 16, 2023 | LCM | AK | Dan Fawcett Memorial LC Swim Meet |
| Jun 16, 2023 | LCM | NI | 2023 Nickel City June Splash |
| Jun 15-18, 2023 | LCM | CT | 2023 GRIT LC Invitational |
| Jun 11, 2023 | SCY | IA | 2023 Iowa Senior Games |
| Jun 11, 2023 | LCM | MV | Make a Ripple 9 |
| Jun 10-11, 2023 | LCM | OR | 2023 COMA LCM Meet & Lake Juniper Open Water Buoy Swim |
| Jun 10-11, 2023 | LCM | ND | 2023 RRV-Bill Siders Invitational |
| Jun 10, 2023 | SCY | NI | Empire State Senior Games |
| Jun 10, 2023 | SCY | SE | Alabama State Games |
| Jun 9-12, 2023 | LCM | AZ | Phoenix Summer Invite 2023 |
| Jun 9-11, 2023 | LCM | GA | 2023 DYNA Summer Invitational |
| Jun 9-11, 2023 | LCM | NC | GCY Sprint & Distance 2023 |
| Jun 9-11, 2023 | LCM | CT | 2023 Marlins June LCM Invite Invitational |
| Jun 8-11, 2023 | LCM | FL | 2023 RAFC Summer Solstice Invitational (USA-S) |
| Jun 8-10, 2023 | LCM | UT | Utah Summer Games |
| Jun 4, 2023 | LCM | GU | Graham Johnston Invitational 2023 |
| Jun 4, 2023 | SCY | SP | 2023 Pasadena Senior Games |
| Jun 3-4, 2023 | LCM | GA | 2023 Betsy Dunbar Meet |
| Jun 3, 2023 | SCY | WI | WISCONSIN MASTERS SUMMER FUN MEET AND SWIM CLINIC |
| Jun 3, 2023 | LCM | SP | OC Riptide Aquatics Masters LCM Meet |
| Jun 3, 2023 | LCM | OR | CRST Summer Blast |
| Jun 3, 2023 | LCM | GA | 2023 GA June Jam Time Trial |
| Jun 2-4, 2023 | LCM | SE | 2023 SE BSL Jack Barnacastle Invite |
| Jun 2-4, 2023 | LCM | OH | 2023 Damon McCoy Invitational |
| Jun 2-4, 2023 | LCM | GA | STAR Andrew E. Hartle Invitational |
| Jun 2-4, 2023 | LCM | OK | 2023 BVSC Stars of Summer |
| Jun 2, 2023 | LCM | MN | Swim into Summer Masters Meet 2023 |
| May 27-28, 2023 | LCM | SP | Mission Viejo Nadadores Masters LCM Swim Meet |
| May 26-28, 2023 | LCM | FL | Dr. Aspi Doctor Memorial Swim Invitational (USA-S) |
| May 26-28, 2023 | LCM | SP | 2023 Speedo Grand Challenge hosted by NOVA |
| May 26-28, 2023 | SCM | OR | 2023 Speedo Canadian Masters Championships |
| May 21, 2023 | SCY | DV | 2023 SJAC Spring Splash Masters Meet |
| May 20-21, 2023 | SCY | NJ | 2023 Somerset County YMCA Masters Last Chance Meet |
| May 20, 2023 | SCY | SD | Sioux Falls SCY Masters Swim Meet |
| May 20, 2023 | SCM | IA | SWIA Masters Spring Meet 2023 |
| May 20, 2023 | LCM | GA | Atlanta Rainbow Trout Spring Splash LCM Masters Invitational |
| May 20, 2023 | SCY | AR | 17th Hall of Fame Swim Meet |
| May 20, 2023 | LCM | OH | 2023 Powel Crosley YMCA Spring LC Masters Meet |
| May 20, 2023 | SCY | NE | The Dan Horton Invitational Masters Meet |
| May 20, 2023 | SCY | CT | Connecticut Masters' Games |
| May 19-21, 2023 | SCY | OR | 2023 Oregon Masters Swimming Association Championships |
| May 19-21, 2023 | LCM | MT | Bozeman Smiles May Classic |
| May 19-21, 2023 | LCM | FL | 2023 SYS Kent B. Holdren Memorial Meet (USA-S) |
| May 19-21, 2023 | LCM | AZ | Phoenix May Cray |
| May 19-21, 2023 | LCM | OK | 2023 JTSC Aloha Meet |
| May 17-20, 2023 | LCM | PC | 2023 TYR Pro Swim Mission Viejo |
| May 13, 2023 | LCM | SC | South Carolina Senior Games |
| May 13, 2023 | LCM | OZ | Saluki Closed Invites |
| May 13, 2023 | LCM | GA | 2023 Atlanta Sprint Classic |
| May 12-18, 2023 | LCM | | Asia-Pacific Masters Games |
| May 12-14, 2023 | LCM | GA | 2023 DYNA Spring Splash |
| May 10-12, 2023 | LCM | | Tunisian Open Masters 6 |
| May 7, 2023 | LCM | VA | NOVA Masters SC/LC Cup: Day 2 (Sunday Long Course) |
| May 6, 2023 | SCY | VA | NOVA Masters SC/LC Cup: Day 1 (Saturday Short Course) |
| May 6, 2023 | SCY | NI | 2023 RAMS Spring Masters Swim Meet at SUNY Brockport |
| May 6, 2023 | SCY | FG | Coral Springs Last Chance SCY Meet |
| May 5-7, 2023 | LCM | AR | 2023 Spring Splash Invitational |
| May 5-7, 2023 | LCM | CT | OAK/CAC Spring Invitational |
| May 5-7, 2023 | LCM | NC | STAR Long Days of Summer |
| May 5-6, 2023 | LCM | NC | The A-May-Zing Meet |
| Apr 30, 2023 | SCM | DV | 2023 Bill Heebner Memorial Winter Freeze Masters Meet |
| Apr 29-30, 2023 | LCM | GA | GA 2023 Long Course Kickoff |
| Apr 29, 2023 | SCY | AM | Spring Into Action Masters Meet |
| Apr 28-30, 2023 | LCM | OH | 2023 YNWL Spring LCM Invitational |
| Apr 28-30, 2023 | LCM | OK | 2023 OK JTSC Spring Opener |
| Apr 27-30, 2023 | SCY | SP | 2023 U.S. Masters Swimming Spring National Championship |
| Apr 23, 2023 | SCY | FL | 3rd Annual "Show Your SWAG" Master's Meet |
| Apr 22-23, 2023 | SCY | CT | The Inaugural Orange Masters LionHeart Classic |
| Apr 22, 2023 | SCY | MR | Jason Troiano Memorial Swim Meet |
| Apr 22, 2023 | SCY | NI | 24th Annual Spring Ithaca Masters Meet at Ithaca College |
| Apr 21-23, 2023 | LCM | AZ | Phoenix Spring Invite |
| Apr 21-23, 2023 | LCM | GU | 2023 Aggieland April Long Course Invitational |
| Apr 21-22, 2023 | SCY | SR | 2023 IMX-IMR Meet |
| Apr 20-23, 2023 | SCY | FG | 2023 YMCA National Masters Meet |
| Apr 19-20, 2023 | SCY | FL | The 2023 Villages Senior Games |
| Apr 16, 2023 | SCY | PN | 2023 PNA AND ZONES CHAMPIONSHIP MEET |
| Apr 16, 2023 | SCY | SP | Rose Bowl Masters SCY Meet |
| Apr 15-16, 2023 | SCY | IN | Indiana GRIN State Meet |
| Apr 15-16, 2023 | LCM | GU | TEST Spring Splash |
| Apr 15-16, 2023 | SCY | MN | 2023 Minnesota Masters SCY Championship |
| Apr 15, 2023 | SCY | AD | 2023 Spring Fling SCY Masters Swim Meet |
| Apr 15, 2023 | SCY | GA | Walt Weed Invite |
| Apr 15, 2023 | SCY | KY | Wildcat Masters Spring Meet |
