| 2023 | ||||
| (Eugene, Oregon, July 8) | ||||
| 1. | Sydney McLaughlin-Levrone (New Balance) | 48.74 | ||
| 2. | Britton Wilson (Arkansas) | 49.79 | ||
| 3. | Talitha Diggs (Florida) | 49.93 | ||
| 4. | Lynna Irby-Jackson (adidas) | 50.11 | ||
| 5. | Rosey Effiong (Arkansas) | 50.41 | ||
| 6. | Makenzie Dunmore (Tracksmith) | 50.96 | ||
| 7. | Jermaisha Arnold (Texas A&M) | 51.12 | ||
| 8. | Quanera Hayes (Nike) | 51.50 | ||
| 2022 | ||||
| (Eugene, Oregon, June 25) | ||||
| 1. | Talitha Diggs (Florida) | 50.22 | ||
| 2. | Kendall Ellis (New Balance) | 50.35 | ||
| 3. | Lynna Irby (adidas) | 50.67 | ||
| 4. | Wadeline Jonathas (adidas) | 50.84 | ||
| 5. | Kennedy Simon (Texas) | 50.90 | ||
| 6. | Allyson Felix (Athleta) | 51.24 | ||
| 7. | Jaide Stepter (unattached) | 51.30 | ||
| 8. | Kaylin Whitney (Nike Red Bull) | 51.31 | ||
| 2021 | ||||
| (Eugene, Oregon, June 20) | ||||
| 1. | Quanera Hayes (Nik) | 49.78 | ||
| 2. | Allyson Felix (Athleta) | 50.02 | ||
| 3. | Wadeline Jonathas (adi) | 50.03 | ||
| 4. | Kendall Ellis (NBal) | 50.10 | ||
| 5. | Kaylin Whitney (Nik) | 50.29 | ||
| 6. | Lynna Irby (adi) | 50.35 | ||
| 7. | Taylor Manson (Fl) | 50.79 | ||
| 8. | Shae Anderson (UCLA) | 50.84 | ||
| 2020 | ||||
| (meet scheduled for Eugene, Oregon, but canceled by pandemic) |
| 2019 | ||||
| (Des Moines, Iowa, July 27) | ||||
| 1. | Shakima Wimbley (adi) | 50.21 | ||
| 2. | Kendall Ellis (NBal) | 50.38 | ||
| 3. | Wadeline Jonathas (SC) | 50.44 | ||
| 4. | Courtney Okolo (Nik) | 50.86 | ||
| 5. | Jessica Beard (adi) | 51.28 | ||
| 6. | Allyson Felix (unat) | 51.94 | ||
| 7. | Briyahna DesRosiers (Or) | 52.36 | ||
| 8. | Jasmine Blocker (Ois) | 52.53 | ||
| 2018 | ||||
| (Des Moines, Iowa, June 23) | ||||
| 1. | Shakima Wimbley (adi) | 49.52 | ||
| 2. | Jessica Beard (adi) | 50.08 | ||
| 3. | Kendall Ellis (USC) | 50.37 | ||
| 4. | Courtney Okolo (Nik) | 50.65 | ||
| 5. | Brionna Thomas (Pur) | 51.16 | ||
| 6. | Briana Guillory (Ia) | 51.30 | ||
| 7. | Jasmine Blocker (Ois) | 51.52 | ||
| 8. | Kiana Horton (Bay) | 52.86 | ||
| 2017 | ||||
| (Sacramento, California, June 24) | ||||
| 1. | Quanera Hayes (Nik) | 49.72 | ||
| 2. | Phyllis Francis (Nik) | 49.96 | ||
| 3. | Kendall Ellis (USC) | 50.00 | ||
| 4. | Natasha Hastings (UArm) | 50.14 | ||
| 5. | Shakima Wimbley (Mia) | 50.36 | ||
| 6. | Daina Harper (Ar) | 50.64 | ||
| 7. | Jessica Beard (adi) | 50.85 | ||
| 8. | Courtney Okolo (Nik) | 51.23 | ||
| 2016 | ||||
| (Eugene, Oregon, July 3) | ||||
| 1 | Allyson Felix (Nik) | 49.68 | ||
| 2 | Phyllis Francis (Nik) | 49.94 | ||
| 3 | Natasha Hastings (UArm) | 50.17 | ||
| 4 | Taylor Ellis-Watson (Ar) | 50.25 | ||
| 5 | Francena McCorory (adi) | 50.37 | ||
| 6 | Courtney Okolo (Tx) | 50.39 | ||
| 7 | Ashley Spencer (Nik) | 51.09 | ||
| 8 | Quanera Hayes (Nik) | 51.80 | ||
| 2015 | ||||
| (Eugene, Oregon, June 27) | ||||
| 1 | Allyson Felix (Nik) | 50.19 | ||
| 2 | Natasha Hastings (UArm) | 50.25 | ||
| 3 | Phyllis Francis (Nik) | 50.67 | ||
| 4 | Francena McCorory (adi) | 50.88 | ||
| 5 | Quanera Hayes (unat) | 51.27 | ||
| 6 | Jessica Beard (adi) | 51.48 | ||
| 7 | Kendall Baisden (Tx) | 52.64 | ||
| 8 | Shakima Wimbley (Mia) | 52.96 | ||
| 2014 | ||||
| (Sacramento, Calif., June 28) | ||||
| 1 | Francena McCorory (adi) | 49.48 | ||
| 2 | Sanya Richards-Ross (Nik) | 49.66 | ||
| 3 | Natasha Hastings (UArm) | 50.53 | ||
| 4 | Jessica Beard (adi) | 50.81 | ||
| 5 | Dee Dee Trotter (Sauc) | 51.04 | ||
| 6 | Briana Nelson (Tx) | 51.10 | ||
| 7 | Taylor Ellis-Watson (Ar) | 51.78 | ||
| dq | Phyllis Francis (Or) | |||
| 2013 | ||||
| (Des Moines, June 22) | ||||
| 1 | Natasha Hastings (UArm) | 49.94 | ||
| 2 | Francena McCorory (adi) | 50.01 | ||
| 3 | Ashley Spencer (Il) | 50.58 | ||
| 4 | Joanna Atkins (Nik) | 50.77 | ||
| 5 | Jessica Beard (adi) | 51.06 | ||
| 6 | Sanya Richards-Ross (Nik) | 51.92 | ||
| 7 | Rebecca Alexander (Nik) | 52.24 | ||
| 8 | Ebonie Floyd (Nik) | 52.90 | ||
| 2012 | ||||
| (Eugene, June 24) | ||||
| 1 | Sanya Richards-Ross (Nik) | 49.28 | ||
| 2 | DeeDee Trotter (Sauc) | 50.02 | ||
| 3 | Francena McCorory (adi) | 50.43 | ||
| 5 | Diamond Dixon (Ks) | 50.88 | ||
| 6 | Keshia Baker (Sauc) | 51.23 | ||
| 7 | Natasha Hastings (UArm) | 51.28 | ||
| 8 | Jessica Beard (adi) | 51.52 | ||
| 2011 | ||||
| (Eugene, June 25) | ||||
| 1 | Allyson Felix (Nik) | 50.40 | ||
| 2 | Francena McCorory (adi) | 50.49 | ||
| 3 | Debbie Dunn (Nik) | 50.70 | ||
| 4 | Jessica Beard (TxAM) | 51.06 | ||
| 5 | Natasha Hastings (Nik) | 51.14 | ||
| 6 | DeeDee Trotter (Sauc) | 51.17 | ||
| 7 | Keshia Baker (Sauc) | 52.21 | ||
| 8 | Mary Wineberg (NYAC) | 52.26 | ||
| 2010 | ||||
| (Des Moines, June 26) | ||||
| 1 | Debbie Dunn (Nik) | 49.64 | ||
| 2 | Francena McCorory (Hamp) | 50.52 | ||
| 3 | Natasha Hastings (Nik) | 50.53 | ||
| 4 | Monica Hargrove (UArm) | 51.16 | ||
| 5 | Shana Cox (adi) | 51.64 | ||
| 6 | Angee Henry (TNb) | 51.96 | ||
| 7 | Alycia Williams (unat) | 52.59 | ||
| dnc— | Sanya Richards-Ross (Nik) injured | |||
| 2009 | ||||
| (Eugene, June 27) | ||||
| 1 | Sanya Richards-Ross (Nik) | 50.05 | ||
| 2 | Debbie Dunn (unat) | 50.79 | ||
| 3 | Jessica Beard (TxAM) | 50.81 | ||
| 4 | Natasha Hastings (Nik) | 50.89 | ||
| 5 | Shareese Woods (adi) | 51.05 | ||
| 6 | Monica Hargrove (unat) | 51.60 | ||
| 7 | Dominique Darden (Reeb) | 52.19 | ||
| 8 | Keshia Baker (Or) | 52.47 | ||
| 2008 | ||||
| (Eugene, July 3) | ||||
| 1 | Sanya Richards-Ross (Nik) | 49.89 | ||
| 2 | Mary Wineberg (Nik) | 50.85 | ||
| 3 | Dee Dee Trotter (adi) | 50.88 | ||
| 4 | Monique Henderson (Reeb) | 50.98 | ||
| 5 | Natasha Hastings (Nik) | 51.13 | ||
| 6 | Ebonie Floyd (Nik) | 51.26 | ||
| 7 | Monica Hargrove (unat) | 51.94 | ||
| 8 | Debbie Dunn (NRD) | 52.41 | ||
| 2007 | ||||
| (Indianapolis, June 23) | ||||
| 1 | Dee Dee Trotter (adi) | 49.64 | ||
| 2 | Natasha Hastings (SC) | 49.84 | ||
| 3 | Mary Wineberg (Nik) | 50.24 | ||
| 4 | Sanya Richards-Ross (Nik) | 50.68 | ||
| 5 | Monique Henderson (Reeb) | 50.82 | ||
| 6 | Monique Hennagan (Nik) | 51.28 | ||
| 7 | Moushaumi Robinson (Nik) | 51.47 | ||
| 8 | Shana Cox (PennSt) | 52.23 | ||
| 2006 | ||||
| (Indianapolis, June 24) | ||||
| 1 | Sanya Richards-Ross (Nik) | 49.27 | ||
| 2 | Dee Dee Trotter (adi) | 50.40 | ||
| 3 | Monique Henderson (Reeb) | 50.71 | ||
| 4 | Moushaumi Robinson (Nik) | 51.13 | ||
| 5 | Mary Danner (Nik) | 51.27 | ||
| 6 | Crystal Cox (Nik) | 51.34 | ||
| 7 | Shana Cox (PennSt) | 51.36 | ||
| 8 | Monique Hennagan (Nik) | 51.46 | ||
| 2005 | ||||
| (Carson, Calif., June 25) | ||||
| (20 contestants, 9 finalists) | ||||
| 1 | Sanya Richards-Ross (Nik) | 49.28 | MR | |
| 2 | Dee Dee Trotter (adi) | 49.88 | ||
| 3 | Monique Henderson (Reeb) | 49.96 | ||
| 4 | Moushami Robinson (Nik) | 50.38 | ||
| 5 | Monique Hennagan (Nik) | 50.76 | ||
| 6 | Suziann Reid (Nik) | 51.45 | ||
| 7 | Julian Clay (Nik) | 51.70 | ||
| 8 | Stephanie Smith (SC) | 51.83 | ||
| 2004 | ||||
| (Sacramento, July 17) | ||||
| (22 contestants, 8 finalists) | ||||
| 1 | Monique Hennagan (adi) | 49.56 | ||
| 2 | Sanya Richards-Ross (Nik) | 49.89 | ||
| 3 | Dee Dee Trotter (Tn) | 50.28 | ||
| 4 | Crystal Cox (Nik) | 50.52 | ||
| 5 | Monique Henderson (UCLA) | 50.75 | ||
| 6 | Moushami Robinson (Nik) | 51.54 | ||
| 7 | Suziann Reid (Nik) | 51.61 | ||
| 8 | Debbie Dunn (Nik) | 51.93 | ||
| 2003 | ||||
| Stanford, June 21 | ||||
| 21 contestants, 8 finalists | ||||
| 1 | Sanya Richards-Ross (Tx) | 51.01 | ||
| 2 | Demetria Washington (Nik) | 51.54 | ||
| 3 | Dee Dee Trotter (Tn) | 51.78 | ||
| 4 | Moushaumi Robinson (Tx) | 51.93 | ||
| 5 | Lisa Barber (Nik) | 52.04 | ||
| 6 | Crystal Cox (NC) | 52.07 | ||
| 7 | Julian Clay (unat) | 52.47 | ||
| 8 | Jessica Fox (Wy) | 52.58 | ||
| 2002 | ||||
| Stanford, June 23 | ||||
| 15 contestants, 8 finalists | ||||
| 1 | Jearl Miles Clark (NBal) | 50.91 | ||
| 2 | Michelle Collins (Nik) | 51.20 | ||
| 3 | Monique Hennagan (adi) | 51.34 | ||
| 4 | LaTasha Colander-Richardson (Nik) | 51.42 | ||
| 5 | Demetria Washington (SC) | 51.59 | ||
| 6 | Suziann Reid (adi) | 52.69 | ||
| 7 | Tia Trent (InTC) | 52.71 | ||
| 8 | Lisa Barber (SC) | 53.90 | ||
| 2001 | ||||
| Eugene, June 24 | ||||
| 16 contestants, 8 finalists | ||||
| 1 | LaTasha Colander-Richardson (Nik) | 50.79 | ||
| 2 | Michelle Collins (Nik) | 51.00 | ||
| 3 | Monique Hennagan (adi) | 51.20 | ||
| 4 | Demetria Washington (SC) | 51.70 | ||
| 5 | Suziann Reid (adi) | 52.06 | ||
| 6 | Miki Barber (SC) | 52.70 | ||
| 7 | Lisa Barber (SC) | 53.55 | ||
| … dnc—Jearl Miles Clark (NBal) | ||||
| 2000 | ||||
| Sacramento, July 16 | ||||
| 23 contestants, 8 finalists | ||||
| 1 | LaTasha Colander-Richardson (Nik) | 49.87 | ||
| 2 | Jearl Miles Clark (Reeb) | 50.23 | ||
| 3 | Michelle Collins (Nik) | 50.29 | ||
| 4 | Monique Hennagan (adi) | 50.82 | ||
| 5 | Miki Barber (SC) | 51.17 | ||
| 6 | Andrea Anderson (GRF) | 51.32 | ||
| 7 | Maicel Malone (NBal) | 51.39 | ||
| 8 | Monique Henderson (CaHS) | 51.79 | ||
| 1999 | ||||
| Eugene, June 27 | ||||
| 23 contestants, 8 finalists | ||||
| 1 | Maicel Malone (NBal) | 51.29 | ||
| 2 | Suziann Reid (Tx) | 51.38 | ||
| 3 | Michelle Collins (Nik) | 51.45 | ||
| 4 | Andrea Anderson (GMR) | 52.09 | ||
| 5 | Shanelle Porter (USW) | 52.25 | ||
| 6 | Yulanda Nelson (Bay) | 52.61 | ||
| 7 | Kim Graham (Asics) | 52.95 | ||
| 8 | Miki Barber (SC) | 53.05 | ||
| 1998 | ||||
| New Orleans, June 21 | ||||
| 21 contestants, 8 finalists | ||||
| 1 | Kim Graham (Asics) | 50.69 | ||
| 2 | Rochelle Stevens (RS) | 51.07 | ||
| 3 | Monique Hennagan (NC) | 51.11 | ||
| 4 | Toya Brown (Tx) | 51.13 | ||
| 5 | Shanelle Porter (USW) | 51.17 | ||
| 6 | Michelle Collins (unat) | 51.19 | ||
| 7 | Natasha Kaiser-Brown (HSou) | 51.53 | ||
| 8 | Maicel Malone (Asics) | 51.91 | ||
| 1997 | ||||
| Indianapolis, June 14 | ||||
| 20 contestants, 8 finalists | ||||
| 1 | Jearl Miles Clark (Reeb) | 49.40 | MR | |
| 2 | Kim Graham (Asics) | 50.65 | ||
| 3 | Maicel Malone (Asics) | 50.74 | ||
| 4 | Michelle Collins (unat) | 50.77 | ||
| 5 | Natasha Kaiser-Brown (HSou) | 51.21 | ||
| 6 | Shanelle Porter (USW) | 51.22 | ||
| 7 | Chandra Burns (MiSt) | 51.71 | ||
| 8 | Jessica Hudson (LaG) | 52.23 | ||
| 1996 | ||||
| Atlanta, June 19 | ||||
| 27 contestants, 8 finalists | ||||
| 1 | Maicel Malone (Asics) | 50.52 | ||
| 2 | Jearl Miles Clark (Reeb) | 50.61 | ||
| 3 | Kim Graham (Asics) | 50.87 | ||
| 4 | Rochelle Stevens (Pos) | 51.16 | ||
| 5 | Linetta Wilson (SBTC) | 51.49 | ||
| 6 | Natasha Kaiser-Brown (FLAC) | 51.52 | ||
| 7 | Nicole Green (Pow) | 51.95 | ||
| 8 | Youlanda Warren (unat) | 52.10 | ||
| 1995 | ||||
| Sacramento, June 17 | ||||
| 20 contestants, 8 finalists | ||||
| 1 | Jearl Miles Clark (Reeb) | 50.90 | ||
| 2 | Kim Graham (Nik) | 51.48 | ||
| 3 | Maicel Malone (Asics) | 51.56 | ||
| 4 | Rochelle Stevens (Pos) | 51.97 | ||
| 5 | Nicole Green (Pow) | 52.02 | ||
| 6 | Camara Jones (Or) | 52.23 | ||
| 7 | Youlanda Warren (LSU) | 52.25 | ||
| 8 | Michelle Collins (MizH) | 52.56 | ||
| 1994 | ||||
| Knoxville, June 18 | ||||
| 23 contestants, 8 finalists | ||||
| 1 | Natasha Kaiser-Brown (FLAC) | 50.53 | ||
| 2 | Maicel Malone (Asics) | 50.77 | ||
| 3 | Jearl Miles Clark (Reeb) | 50.78 | ||
| 4 | Kim Graham (adi) | 51.43 | ||
| 5 | Michelle Collins (MizH) | 51.63 | ||
| 6 | Rochelle Stevens (NikA) | 52.42 | ||
| 7 | Sheryl Covington (FlSt) | 52.60 | ||
| 8 | Crystal Irving (Atoms) | 52.80 | ||
| 1993 | ||||
| Eugene, June 19 | ||||
| 21 contestants, 8 finalists | ||||
| 1 | Jearl Miles Clark (Reeb) | 50.43 | ||
| 2 | Natasha Kaiser-Brown (Cheet) | 50.93 | ||
| 3 | Michelle Collins (Hous) | 51.77 | ||
| 4 | Terri Dendy (AndI) | 52.13 | ||
| 5 | Youlanda Warren (LSU) | 52.21 | ||
| 6 | Maicel Malone (Maz) | 52.40 | ||
| 7 | Rochelle Stevens (May) | 52.56 | ||
| 8 | Kendra Mackey (Maz) | 54.80 | ||
| 1992 | ||||
| New Orleans, June 24 | ||||
| 32 contestants, 8 finalists | ||||
| 1 | Rochelle Stevens (NikA) | 50.22 | ||
| 2 | Jearl Miles Clark (Reeb) | 50.30 | ||
| 3 | Natasha Kaiser-Brown (Cheet) | 50.42 | ||
| 4 | Dannette Young-Stone (Reeb) | 50.46 | ||
| 5 | Denean Hill (unat) | 50.89 | ||
| 6 | Anita Howard (Fl) | 51.30 | ||
| 7 | Lillie Leatherwood (Reeb) | 51.31 | ||
| 8 | Kendra Mackey (unat) | 51.72 | ||
| 1991 | ||||
| New York City, June 15 | ||||
| 23 contestants, 8 finalists | ||||
| 1 | Lillie Leatherwood (Reeb) | 49.66 | MR | |
| 2 | Jearl Miles Clark (Reeb) | 50.19 | ||
| 3 | Diane Dixon (Atoms) | 50.30 | ||
| 4 | Maicel Malone (NikC) | 50.39 | ||
| 5 | Rochelle Stevens (NikI) | 51.03 | ||
| 6 | Natasha Kaiser-Brown (Cheet) | 51.82 | ||
| 7 | Celena Mondie-Milner (unat) | 51.91 | ||
| 8 | Tasha Downing (Maz) | 52.65 | ||
| 1990 | ||||
| Norwalk, June 16 | ||||
| 14 contestants, 8 finalists | ||||
| 1 | Maicel Malone (NikC) | 51.23 | ||
| 2 | Rochelle Stevens (NikI) | 51.51 | ||
| 3 | Lillie Leatherwood (Reeb) | 51.60 | ||
| 4 | Natasha Kaiser-Brown (Cheet) | 51.69 | ||
| 5 | Jearl Miles Clark (Reeb) | 51.90 | ||
| 6 | Delisa Floyd (Flo) | 52.26 | ||
| 7 | Wendy Watson (Ok) | 52.53 | ||
| 8 | Tasha Downing (Fl) | 57.72 | ||
| 1989 | ||||
| Houston, June 17 | ||||
| 15 contestants, 9 finalists | ||||
| 1 | Rochelle Stevens (ACC) | 50.75 | ||
| 2 | Jearl Miles Clark (Reeb) | 51.52 | ||
| 3 | Celena Mondie-Milner (Il) | 51.55 | ||
| 4 | Terri Dendy (Reeb) | 51.64 | ||
| 5 | Lillie Leatherwood (Reeb) | 51.75 | ||
| 6 | Natasha Kaiser (NikS) | 51.89 | ||
| 7 | Sandie Richards’ (Jam) | 52.09 | ||
| 8 | Michelle Taylor (Cheet) | 52.17 | ||
| 9 | Maicel Malone (NikC) | 52.20 | ||
| 1988 | ||||
| Tampa, June 18 | ||||
| 24 contestants, 8 finalists | ||||
| 1 | Lillie Leatherwood (Reeb) | 50.70 | ||
| 2 | Maicel Malone (NikC) | 51.01 | ||
| 3 | Jearl Miles Clrk (YA) | 51.35 | ||
| 4 | Celena Mondie-Milner (Il) | 51.45 | ||
| 5 | Tanya McIntosh (Atoms) | 51.76 | ||
| 6 | Terri Dendy (Reeb) | 52.19 | ||
| 7 | Denise Mitchell (NikC) | 52.24 | ||
| 8 | Alice Jackson (Coke) | 54.49 | ||
| 1987 | ||||
| San José, June 27 | ||||
| 19 contestants, 8 finalists | ||||
| 1 | Lillie Leatherwood (Al) | 49.95 | ||
| 2 | Diane Dixon (Atoms) | 50.62 | ||
| 3 | Denean Hill (SSTC) | 51.02 | ||
| 4 | Valerie Brisco (WC) | 51.28 | ||
| 5 | Sonja Fridy (Maz) | 51.69 | ||
| 6 | Denise Mitchell (Fl) | 51.72 | ||
| 7 | Rochelle Stevens (Morg) | 51.81 | ||
| 8 | Tanya McIntosh (Atoms) | 52.08 | ||
| 1986 | ||||
| Eugene, June 21 | ||||
| 16 contestants, 8 finalists | ||||
| 1 | Diane Dixon (Atoms) | 50.41 | ||
| 2 | Lillie Leatherwood (NBal) | 51.29 | ||
| 3 | Brenda Cliette (unat) | 51.82 | ||
| 4 | Chandra Cheeseborough (AW) | 51.86 | ||
| 5 | Alice Jackson (Maz) | 52.37 | ||
| 6 | Denean Hill (Pum) | 52.79 | ||
| 7 | Robin Stephens (Hurr) | 53.12 | ||
| 8 | Terri Dendy (GM) | 53.51 | ||
| 1985 | ||
| (Indianapolis, Indiana, June 15) | ||
| 1. | Lillie Leatherwood (New Balance TC) | 50.64 |
| 2. | Diane Dixon (Atoms TC) | 50.79 |
| 3. | Ilrey Oliver (Knoxville TC) | 51.96 |
| 4. | Sharon Dabney (Puma TC) | 52.19 |
| 5. | Tanya McIntosh (Atoms TC) | 52.47 |
| 6. | Roberta Belle (Puma TC) | 52.75 |
| 7. | Susan Shurr (Puma TC) | 52.80 |
| 8. | Sherri Howard (Puma TC) | 53.48 |
| 9. | Michelle Maxey (Kansas State U) | 54.72 |
| 1984 | ||
| (San José, California, June 09) | ||
| 1. | Valerie Brisco-Hooks (Tiger World Class AC) | 49.83 AR, MR |
| 2. | Lillie Leatherwood (New Balance TC) | 51.45 |
| 3. | Florence Griffith Joyner (Tiger World Class AC) | 51.56 |
| 4. | Diane Dixon (Atoms TC) | 51.95 |
| 5. | Charmaine Crooks (Canada) | 52.51 |
| 6. | Denean Howard-Hill (Puma & Energizer TC) | 52.73 |
| 7. | Robbin Coleman-Bell (Converse TC) | 52.96 |
| 8. | Gail Emanuel (New York PAL) | 53.1h |
| 1983 | ||
| (Indianapolis, Indiana, June 19) | ||
| 1. | Denean Howard-Hill (Cal State U Los Angeles) | 50.99 |
| 2. | Rosalyn Bryant (Puma & Energizer TC) | 51.58 |
| 3. | Roberta Belle (Puma & Energizer TC) | 51.72 |
| 4. | Sharon Dabney (Puma & Energizer TC) | 51.79 |
| 5. | Charmaine Crooks (Los Angeles Mercurettes/Canada) | 51.81 |
| 6. | Easter Gabriel (Team Kangaroos) | 51.89 |
| 7. | Kelia Bolton (Puma & Energizer TC) | 52.32 |
| 8. | Alice Jackson (Ms. International) | 52.95 |
| 9. | Arlise Emerson (Wilt’s AC) | 53.17 |
| 1982 | ||
| (Knoxville, Tennessee, June 20) | ||
| 1. | Denean Howard-Hill (Los Angeles Naturite TC) | 50.87 MR, AJR |
| 2. | Rosalyn Bryant (Los Angeles Naturite TC) | 51.34 |
| 3. | Arlise Emerson (Wilt’s AC) | 51.89 |
| 4. | Diane Dixon (Atoms TC) | 51.98 |
| 5. | Charmaine Crooks (Atoms TC/Canada) | 52.01 |
| 6. | Easter Gabriel (Prairie View A&M U) | 52.14 |
| 7. | Cathy Rattray (Los Angeles Naturite TC) | 52.28 |
| 8. | LaShon Nedd (Wilt’s AC) | 52.95 |
| 9. | Alice Jackson (DC International) | 54.58 |
| 1981 | ||
| (Sacramento, California, June 21) | ||
| 1. | Denean Howard-Hill (Shaklee TC) | 51.79 |
| 2. | Rosalyn Bryant (Los Angeles Naturite TC) | 52.53 |
| 3. | Lorna Forde (Atoms TC) | 52.87 |
| 4. | Arlise Emerson (Shaklee TC) | 53.37 |
| 5. | Kelia Bolton (Stanford TC) | 53.56 |
| 6. | Lori McCauley (Ambler Olympic Club) | 54.09 |
| 7. | Paulette Clagon (Los Angeles Mercurettes) | 54.17 |
| 8. | Pam Moore (Wisconsin United TC) | 54.18 |
| 9. | Roberta Belle (DC International) | 55.23 |
| 1980 | ||
| (Walnut, California, June 15) | ||
| 1. | Sherri Howard (Muhammad Ali TC) | 51.51 |
| 2. | Sharon Dabney (Clippers TC) | 52.35 |
| 3. | Gwen Gardner (Los Angeles Mercurettes) | 52.35 |
| 4. | Denean Howard-Hill (Muhammad Ali TC) | 52.58 |
| 5. | June Griffith (John Carlos TC/Guyana) | 52.62 |
| 6. | Yolanda Rich (Muhammad Ali TC) | 53.26 |
| 7. | Rosalyn Bryant (Muhammad Ali TC) | 54.14 |
| 8. | Alice Jackson (DC International) | NT |
| 1979 | ||
| (Walnut, California, June 17) | ||
| 1. | Patricia Jackson (Prairie View A&M U) | 52.37 |
| 2. | Sharon Dabney (Clippers TC) | 52.52 |
| 3. | Sherri Howard (Los Angeles Mercurettes) | 52.54 |
| 4. | Rosalyn Bryant (Muhammad Ali TC) | 53.18 |
| 5. | Lorna Forde (Atoms TC) | 53.42 |
| 6. | Helen Blake (Tennessee State TC/Jamaica) | 53.53 |
| 7. | Kim Thomas (New York PAL) | 53.93 |
| 8. | Gwen Murray (New Image TC) | 54.30 |
| 1978 | ||
| (Westwood, California, June 10) | ||
| 1. | Lorna Forde (Atoms TC/Barbados) | 51.04 MR |
| 2. | Patricia Jackson (Prairie View A&M U) | 51.11 |
| 3. | Sharon Dabney (Clippers TC) | 51.31 |
| 4. | June Griffith (Adelphi U) | 51.50 |
| 5. | Rosalyn Bryant (Muhammad Ali TC) | 51.99 |
| 6. | Helen Blake (Tennessee State TC) | 52.56 |
| 7. | Kim Thomas (New York PAL) | 53.41 |
| 8. | Ruth Simpson (Texas Woman’s U) | 54.7h |
| 1977 | ||
| (Westwood, California, June 11) | ||
| 1. | Sharon Dabney (Clippers TC) | 51.55 MR |
| 2. | Lorna Forde (Atoms TC/Barbados) | 52.00 |
| 3. | Rosalyn Bryant (Cal State U Los Angeles) | 53.44 |
| 4. | Kim Thomas (New York PAL) | 53.58 |
| 5. | Pam Jiles (New Orleans Superdames) | 53.78 |
| 6. | Gwen Norman (DC Striders) | 53.92 |
| 7. | Carolyn Brinkley (Delaware State) | 54.0h |
| 8. | Kathy Weston (UCLA) | 54.1h |
| 1976 | ||
| (Westwood, California, June 12) | ||
| 1. | Lorna Forde (Atoms TC/Barbados) | 52.30 |
| 2. | Sheila Ingram (Pioneer AC) | 52.52 |
| 3. | Shirley Williams (Prairie View A&M U) | 52.53 |
| 4. | Debra Sapenter (Prairie View A&M U) | 52.66 |
| 5. | Debra Armstrong (Florida TC) | 52.78 |
| 6. | Sharon Dabney (Clippers TC) | 53.51 |
| 7. | Gwen Norman (Texas Woman’s U) | 53.74 |
| 8. | Sheila Coates (Tennessee State U) | 54.01 |
| 1975 | ||
| (White Plains, New York, June 28) | ||
| 1. | Debra Sapenter (Prairie View TC) | 51.6 =AR, MR |
| 2. | Lorna Forde (Atoms TC/Barbados) | 52.6 |
| 3. | Robin Campbell (Sports International TC) | 52.7 |
| 4. | Pat Helms (Klub Keystone) | 53.3 |
| 5. | Jarvis Scott (Premier TC) | 54.1 |
| 6. | Debra Armstrong (Sports International TC) | 54.6 |
| 1974 | ||
| (Bakersfield, California; June 29) | ||
| 1. | Debra Sapenter (Prairie View A&M U) | 52.2 =WR, =AR, MR |
| 2. | Sheila Choates (Tennessee State TC) | 53.6 |
| 3. | Marilyn Neufville (Los Angeles TC/Jamaica) | 53.6 |
| 4. | Gwen Norman (Sports International TC) | 53.9 |
| 5. | Janice Wiser (La Jolla TC) | 54.1 |
| 6. | Shirley Williams (Prairie View A&M U) | 54.2 |
| 7. | Chris Schilly (Syracuse Chargers) | 56.1 |
| 8. | Janis Vetter (Blue Ribbon TC) | 56.3 |
| …dnc— | Esther Stroy (Sports International TC) | |
| 1973 | ||
| (Irvine, California, June 23) (440y) | ||
| 1. | Mabel Fergerson (West Coast Jets) | 54.1 |
| 2. | Marilyn Neufville (Los Angeles TC/Jamaica) | 54.5 |
| 3. | Kathy Hammond (Sacramento Road Runners) | 54.9 |
| 4. | Chris Harrah (Delaware Sports Club) | 55.4 |
| 5. | Kathy Weston (Will’s Spikettes) | 55.4 |
| 6. | Debra Sapenter (Prairie View A&M U) | 55.4 |
| 7. | Maeoper West (unattached) | 55.5 |
| 8. | Willamae Fergerson (West Coast Jets) | 56.8 |
| 9. | Susan Vigil (Duke City Dashers) | 57.4 |
| 1972 | ||
| (Canton, Ohio, July 02) | ||
| 1. | Kathy Hammond (Sacramento Road Runners) | 52.3 MR |
| 2. | Mabel Fergerson (West Coast Jets) | 54.2 |
| 3. | Beth Warner (Ohio TC) | 54.6 |
| 4. | Pat Helms (Clippers TC) | 54.6 |
| 5. | Debra Armstrong (Houston Spikettes) | 54.9 |
| 6. | Jarvis Scott (Los Angeles Mercurettes) | 55.3 |
| 7. | Marilyn Bastian (New York PAL) | 55.5 |
| 8. | Willamae Fergerson (West Coast Jets) | 56.8 |
| 1971 | ||
| (Bakersfield, California, July 10) | ||
| 1. | Mabel Fergerson (West Coast Jets) | 53.3 |
| 2. | Gwen Norman (Sports International TC) | 53.8 |
| 3. | Jane Burnett (Sports International TC) | 54.0 |
| 4. | Nancy Benson (San Diego Metro TC) | 54.7 |
| 5. | Gale Fitzgerald (Atoms TC) | 55.1 |
| 6. | Joan Pirie (Angels TC) | 55.4 |
| 7. | Nancy Mullen (Sacramento Road Runners) | nt |
| 8. | Jarvis Scott (Los Angeles Mercurettes) | nt |
| 9. | Lisa Natkin (Sports International TC) | 57.0 |
| 1970 | ||
| (Westwood, California, July 04) (440y) | ||
| 1. | Mavis Laing (Phoenix TC) | 52.9 MR |
| 2. | Jarvis Scott (Los Angeles Mercurettes) | 53.4 |
| 3. | Gwen Norman (Sports International TC) | 53.5 |
| 4. | Kathy Hammond (Sacramento Road Runners) | 54.0 |
| 5. | Gale Fitzgerald (Atoms TC) | 54.5 |
| 6. | Nancy Benson (Phoenix Flyers) | 54.9 |
| 1969 | ||
| (Dayton, Ohio, July 06) (440y) | ||
| 1. | Kathy Hammond (unattached) | 54.4 |
| 2. | Jarvis Scott (Los Angeles Mercurettes) | 55.0 |
| 3. | Esther Stroy (Sports International TC) | 55.2 |
| 4. | Gwen Norman (Sports International TC) | 55.4 |
| 5. | Joan Pirie (Angels TC) | 56.1 |
| 6. | Mabel Fergerson (San Gabriel Valley Pacers) | 56.3 |
| 1968 | ||
| (Aurora, Colorado, August 18; altitude 1640m) | ||
| 1. | Jarvis Scott (Los Angeles Mercurettes) | 52.9(A) |
| 2. | Lois Drinkwater (Phoenix TC) | 54.1(A) |
| 3. | Gale Fitzgerald (Metro TC-) | 54.6(A) |
| 4. | Nancy Shafer (Canton TC) | 54.6(A) |
| 5. | Joan Pirie (Orinda TC) | 54.6(A) |
| 6. | Sandra Blount (Motor City TC) | 54.7(A) |
| 7. | Terry Hull-Crawford (Knoxville TC) | nt |
| 1967 | ||
| (Santa Barbara, California, July 02) | ||
| 1. | Charlette Cooke (unattached) | 52.5 AR, MR |
| 2. | Kathy Hammond (Will’s Spikettes) | 52.6 |
| 3. | Lois Drinkwater (Valley of the Sun TC) | 53.5 |
| 4. | Janet Johnson (Falcon TC) | 53.6 |
| 5. | Jane Burnett (Sports International TC) | 54.5 |
| 6. | Dolores Stoneback (unattached) | 54.5 |
| 7. | Jarvis Scott (Los Angeles Mercurettes) | 54.8 |
| … dnc— | Una Morris (Tennessee State U) | |
| 1966 | ||
| (Frederick, Maryland, July 02) (440y) | ||
| 1. | Charlette Cooke (Los Angeles Mercurettes) | 53.4 MR |
| 2. | Dolores Stoneback (Seattle Olympic Club) | 55.7 |
| 3. | Chris Iverson (San Fernando Valley TC) | 55.7 |
| 4. | Jarvis Scott (Los Angeles Mercurettes) | 57.6 |
| 5. | Jane Burnett (Sports International TC) | 58.1 |
| 6. | Linda Kloster (Oregon Girls’ TC) | 58.9 |
| 1965 | ||
| (Columbus, Ohio, July 03) (440y) | ||
| 1. | Janell Smith (Fredonia TC) | 55.1 MR |
| 2. | Norma Harris (Mayor Daley Youth Foundation) | 55.9 |
| 3. | Jarvis Scott (Los Angeles Mercurettes) | 57.0 |
| 4. | Patricia Clark (New York PAL) | 57.4 |
| 5. | Myrtle Lowe (Oakland Oakettes) | 57.7 |
| 6. | Caroline Fumbanks (Mayor Daley Youth Foundation) | nt |
| 1964 | ||
| (Hanford, California, July 11) | ||
| 1. | Janell Smith (Fredonia TC) | 54.7 |
| 2. | Una Morris (Jamaica) | 54.7 |
| 3. | Patricia Clark (New York PAL) | 56.5 |
| 4. | Jenny Lowe (Oakland Oakettes) | 56.9 |
| 5. | Suzanne Knott (Ohio TC) | 57.0 |
| 6. | Kathy Krajewski (Garden Town TC) | 57.6 |
| 1963 | ||
| (Dayton, Ohio, July 06) (440y) | ||
| 1. | Suzanne Knott (Ohio TC) | 57.0 MR, =AR |
| 2. | Myrtle Lowe (Oakland Oakettes) | 57.2 |
| 3. | Carol Bush (Mayor Daley Youth Foundation) | 57.6 |
| 4. | Jackie Peterson (New York PAL) | 58.0 |
| 5. | Caroline Fumbanks (Mayor Daley Youth Foundation) | 59.5 |
| 6. | Karen Davis (Ohio TC) | 59.6 |
| 1962 | ||
| (Los Angeles, California, July 08) | ||
| 1. | Suzanne Knott (Columbus TC) | 58.1 MR |
| 2. | Carol Bush (Chicago, IL) | 58.2 |
| 3. | Ann Tegelius (Upper Montclair, NJ) | 58.7 |
| 4. | Kathy Krajewski (Buffalo, NY) | 59.0 |
| 5. | Ruth Ann Brand (Prescott, AZ) | 59.6 |
| 6. | Mary Rose (Abilene, TX) | 60.3 |
| 1961 | ||
| (Gary, Indiana, July 02) (440y) | ||
| 1. | Jackie Peterson (New York, NY) | 59.5 MR |
| 2. | Mary Rose (Abilene, TX) | |
| 3. | Pat Douthitt (Cleveland Department of Recreation) | |
| 4. | Ruth Ann Brand (Prescott, AZ) | |
| 5. | Judy Shapiro (Tujunga, CA) | |
| 6. | Susan May (Boston, MA) | |
| 1960 | ||
| (Corpus Christi, Texas, July 09) | ||
| 1. | Irene Robertson (Spartan Women’s AC) | 57.1 MR |
| 2. | Rose Lovelace (Cleveland Department of Recreation) | 57.6 |
| 3. | Ruth Ann Brand (Prescott, AZ) | 59.0 |
| 4. | Lillian Green (New York PAL) | 59.8 |
| 5. | Mary Rose (Lubbock, TX) | 61.1 |
| 6. | Isabelle Gonzalez (Hawai‘i XDR) | 61.4 |
| 1959 | ||
| (Cleveland, Ohio, June 28) | ||
| 1. | Kimberly Polson (Spartan Women’s AC) | 59.0 MR |
| 2. | Rose Lovelace (Cleveland Department of Recreation) | 59.3 |
| 3. | Isabelle Gonzalez (Hawai‘i XDR) | 59.7 |
| 4. | Elaine Ellis (New York PAL) | 61.2 |
| 5. | Patricia Baker (Tacoma, WA) | 61.8 |
| 6. | Ann Reid (Mayor Daley Youth Foundation) | 62.3 |
| 1958 | ||
| (Morristown, New Jersey, July 05) | ||
| 1. | Christine McKenzie (New York PAL) | 61.6 AR, MR |
| 2. | Lydia Hernandez (Cuba) | |
| 3. | Amy Brown (Liberty AC) | |
| 4. | Pat Douthitt (Cleveland Department of Recreation) | |
| 1923–1957 | ||
| (event not contested) |