Categories: W = World; A or Am = American; C = Collegiate (NCAA Div. I only); JC = Junior College; J = Junior (U20); Y = Youth (U18); HS = High School.
Codings: + = event not officially recognized by governing body; ‘ = student not eligible to represent the U.S. internationally; l-a = low-altitude; ¶ = can’t be ratified for technical reasons.
switch to absolute records broken in 2018
| MEN TRACK | |||||
| 60 | 6.37 | W¶, A | Christian Coleman (Nike) | Clemson, South Carolina | January 19 |
| 6.34(A) | W, A | Christian Coleman (Nike) | Albuquerque, New Mexico | February 18 | |
| (lo-alt) | 6.37 | =W+, =A+ | Christian Coleman (Nike) | Birmingham, England | March 03 |
| 200 | 20.02 | A, C | Elijah Hall (Houston) | College Station, Texas | March 10 |
| 300 | 32.64 | WJ+, AJ+, HS | Brian Herron (Lakeside, Atlanta, Georgia) | Lynchburg, Virginia | January 19 |
| 400 | 44.52 | W, A, C | Michael Norman (USC) | College Station, Texas | March 10 |
| 600 | 1:14.79 | W+, C | Michael Saruni’ (Kenya/UTEP) | Albuquerque, New Mexico | January 19 |
| 800 | 1:47.67 | HS | Josh Hoey (Shanahan, Downington, Pennsylvania) | Boston, Massachusetts | February 25 |
| 1500 | 3:36.05 | WJ | Samuel Tefera (Ethiopia) | Val de Reuil, France | January 27 |
| 60H | 7.42 | C | Grant Holloway (Florida) | Clemson, South Carolina | February 09 |
| 4 x 400 | 3:01.98 | C | USC | Clemson, South Carolina | February 10 |
| (Zach Shinnick 46.28, Rai Benjamin’ 44.63, Ricky Morgan 45.72, Michael Norman 45.35) | |||||
| 3:01.77 | W | Poland | Birmingham, England | March 04 | |
| (Karol Zalewski 45.73, Rafał Omelko 45.17, Łukasz Krawczuk 45.87, Jakub Krzewina 45.00) | |||||
| 3:01.97 | A | National Team | Birmingham, England | March 04 | |
| (Fred Kerley 44.85, Michael Cherry 45.34, Aldrich Bailey 46.11, Vernon Norwood 45.67) | |||||
| 3:00.77 | W¶, A¶, C | USC | College Station, Texas | March 10 | |
| (Zach Shinnick 46.24, Rai Benjamin’ 44.35, Ricky Morgan 45.66, Michael Norman 44.52) | |||||
| 3:01.39 | W, A, AmC | Texas A&M | College Station, Texas | March 10 | |
| (Ilolo Izu 46.57, Robert Grant 44.83, Devin Dixon 45.48, Mylik Kerley 44.51) | |||||
| 4 x 800 | 7:11.30 | W, A | Hoka New Jersey/New York TC | Boston, Massachusetts | February 25 |
| (Joe McAsey 1:49.03, Kyle Merber 1:47.11, Chris Giesting 1:47.43, Jesse Garn 1:47.73) | |||||
| 4 x Mile | 17:01.82 | HS | Loudoun Valley, Purcellville, Virginia | New York, New York | March 09 |
| (Connor Wells 4:24.7, Jacob Hunter 4:15.0, Sam Affolder 4:10.6, Colton Bogucki 4:11.5) | |||||
| MEN FIELD | |||||
| PV | 5.83 | 19-1½ | WJ¶, HS | Mondo Duplantis’ (Sweden/Lafayette, Louisiana) | Reno, Nevada | January 12 |
| 5.78 | 18-11½ | WJ | Emmanouíl Karalís (Greece) | Piraeus, Greece | February 11 | |
| 5.81 | 19-¾ | WJ | Mondo Duplantis (Sweden) | Clermont-Ferrand, France | February 25 | |
| 5.88 | 19-3½ | WJ, HS | Mondo Duplantis (Sweden/Lafayette, Louisiana) | Clermont-Ferrand, France | February 25 | |
| Wt | 22.16 | 72-8½ | WJ, AJ | Brent Fairbanks (Ashland) | Allendale, Michigan | February 24 |
| WOMEN TRACK | |||||
| 60 | 7.07 | lo-alt C; =C | Aleia Hobbs (LSU) | College Station, Texas | March 10 |
| 200 | 22.38 | C | Gabby Thomas (Harvard) | College Station, Texas | March 10 |
| 300 | 35.45 | =W+ | Shaunae Miller-Uibo (Bahamas) | New York, New York | February 03 |
| 400 | 50.52 | WJ, AJ; l-a A+, C | Sydney McLaughlin (Kentucky) | College Station, Texas | February 25 |
| 50.36 | WJ, AJ | Sydney McLaughlin (Kentucky) | College Station, Texas | March 10 | |
| 50.34 | A, C | Kendall Ellis (USC) | College Station, Texas | March 10 | |
| 2000 | 5:57.56 | HS | Katelyn Tuohy (North Rockland, Thiells, New York) | Staten Island, New York | January 06 |
| 3000 | 8:41.60 | C | Karissa Schweizer (Missouri) | New York, New York | February 03 |
| 5000 | 15:37.12 | AJ, HS | Katelyn Tuohy (North Rockland, Thiells, New York) | Lynchburg, Virginia | January 20 |
| 60H | 7.72 | =A | Keni Harrison (adidas) | Clemson, South Carolina | February 09 |
| 7.70(A) | A | Sharika Nelvis (adidas) | Albuquerque, New Mexico | February 18 | |
| 7.70 | =A | Keni Harrison (adidas) | Birmingham, England | March 03 | |
| 7.98 | WJ, AJ | Tara Davis (Georgia) | College Station, Texas | March 09 | |
| MileW | 6:45.68 | HS | Taylor Ewert (Beavercreek, Ohio) | New York, New York | February 03 |
| 3000W | 13:45.0 | HS | Taylor Ewert (Beavercreek, Ohio) | Goshen, Indiana | January 19 |
| 4 x 200 | 1:35.39 | WJ+, AJ+, HS | Bullis, Potomac, Maryland | Lynchburg, Virginia | January 20 |
| (Shaniya Hall, Leah Phillips, Ashley Seymour, Masai Russell) | |||||
| 1:32.67 | A | USA All-Stars | New York, New York | January 27 | |
| (Kyra Jefferson, Deajah Stevens, Daina Harper 23.25, Asha Ruth 23.31) | |||||
| 1:34.75 | HS | Bullis, Potomac, Maryland | New York, New York | March 10 | |
| (Shaniya Hall, Leah Phillips, Ashley Seymour, Masai Russell) | |||||
| 4 x 400 | 3:23.85 | A | National Team | Birmingham, England | March 04 |
| (Quanera Hayes 51.51, Georganne Moline 50.87, Shakima Wimbley 51.29, Courtney Okolo 50.18) | |||||
| 4 x 800 | 8:05.89 | W, A | USA All-Stars | New York, New York | February 03 |
| (Chrishuna Williams 2:05.10, Raevyn Rogers 2:00.45, Charlene Lipsey 2:01.97, Ajee’ Wilson 1:58.37) | |||||
| 4 x 55H | 30.44 | HS | Bullis, Potomac, Maryland | New York, New York | March 10 |
| (Lauryn Harris, Masai Russell, Leah Phillips, Cierra Pyles) | |||||
| WOMEN FIELD | |||||
| HJ | 1.96 | 6-5 | WY | Yaroslava Mahuchikh (Ukraine) | Minsk, Belarus | December 22 |
| TJ | 14.53 | 47-8 | A, C | Keturah Orji (Georgia) | Clemson, South Carolina | January 20 |
December 31, 2018