| | | | | | | | |
 | Tanden ABPLANALP | 20-29 | 25 | Male | Provo | Utah | United States | 4 - Middle of the pack |
| Taybor ABPLANALP | 20-29 | 27 | Male | Provo | Utah | United States | 5 - Lower middle of the pack |
| Rachel ADAMS | 40-49 | 42 | Female | Pleasant Grove | Utah | United States | 3 - Top 35-50 Percent OVERALL |
| Tony AGUILAR | 30-39 | 33 | Male | Austin | Texas | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Wan AGUS | 40-49 | 46 | Male | Dublin | California | United States | 4 - Middle of the pack |
| Al AKEROYD | 30-39 | 37 | Male | Bear | Delaware | United States | 4 - Middle of the pack |
| Tishan ALBARADO | 30-39 | 32 | Female | Sugar Land | Texas | United States | 4 - Middle of the pack |
| Brad ALEXANDER | 50-59 | 52 | Male | Rancho Santa Margarita | California | United States | 4 - Middle of the pack |
| Matthew ALLEGRETTO | 20-29 | 27 | Male | Boulder | Colorado | United States | 3 - Top 35-50 Percent OVERALL |
| Rachel ALLEN | 30-39 | 33 | Female | Montpelier | Vermont | United States | 4 - Middle of the pack |
| Vincent ALMEROTH | 20-29 | 29 | Male | Moab | Utah | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Tina ANDERSEN | 50-59 | 52 | Female | Bicknell | Utah | United States | 4 - Middle of the pack |
| Jacob ANDERSON | 20-29 | 22 | Male | Holladay | Utah | United States | 5 - Lower middle of the pack |
| Sarah ANDERSON | 40-49 | 41 | Female | Arvada | Colorado | United States | 4 - Middle of the pack |
| Steven ANDERSON | 20-29 | 28 | Male | Ogden | Utah | United States | 3 - Top 35-50 Percent OVERALL |
| Ken ANDREWS | 60-69 | 63 | Male | Lafayette | Colorado | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Nathan ANSBAUGH | 30-39 | 31 | Male | Brush Prairie | Washington | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Chris ANTINORI | 40-49 | 43 | Male | Park City | Utah | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Dawn AOKI | 60-69 | 62 | Female | Slc | Utah | United States | 5 - Lower middle of the pack |
| Mike APARICIO | 30-39 | 35 | Male | Denver | Colorado | United States | 4 - Middle of the pack |
| George APONTE CLARKE | 50-59 | 50 | Male | Portland | Maine | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Mike ARD | 40-49 | 41 | Male | Billings | Montana | United States | 3 - Top 35-50 Percent OVERALL |
| Alan ARELLANO | 60-69 | 61 | Male | Sharon | Connecticut | United States | 4 - Middle of the pack |
| Adam ARGUELLO | 30-39 | 31 | Male | Casper | Wyoming | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Darin ARGYLE | 30-39 | 36 | Male | Bountiful | Utah | United States | 4 - Middle of the pack |
| Nick ARMANO | 30-39 | 39 | Male | Hesperus | Colorado | United States | 4 - Middle of the pack |
| Marlene ARMIJO | 40-49 | 47 | Female | Rio Rancho | New Mexico | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| John ARNOLD | 50-59 | 57 | Male | Temecula | California | United States | 5 - Lower middle of the pack |
| Kate ARNOLD | 50-59 | 55 | Female | Temecula | California | United States | 5 - Lower middle of the pack |
| Patrick ARSENAULT | 40-49 | 47 | Male | Lävis | QC | Canada | 6 - Final 20 Percent OVERALL |
| Jani ASHBAKER | 40-49 | 41 | Female | Pleasant View | Utah | United States | 6 - Final 20 Percent OVERALL |
| Mike ASHBAKER | 40-49 | 40 | Male | Pleasant View | Utah | United States | 6 - Final 20 Percent OVERALL |
| Alexa AULT | 20-29 | 29 | Female | Boulder | Colorado | United States | 3 - Top 35-50 Percent OVERALL |
| Briana AVERILL | 40-49 | 40 | Female | Tucson | Arizona | United States | 4 - Middle of the pack |
| Laura BACON | 50-59 | 50 | Female | Santa Fe | New Mexico | United States | 4 - Middle of the pack |
| Taylor BACON | 20-29 | 21 | Female | Santa Fe | New Mexico | United States | 4 - Middle of the pack |
| William BACON | 50-59 | 52 | Male | Santa Fe | New Mexico | United States | 4 - Middle of the pack |
| Michael BAILEY | 20-29 | 27 | Male | 23320 | Virginia | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Sarah BAILEY | 40-49 | 47 | Female | Wausau | Wisconsin | United States | 2 - Top 20-35 Percent OVERALL |
| Taran BAILEY | 20-29 | 25 | Male | Provo | Utah | United States | 4 - Middle of the pack |
| Matthew BAIRD | 20-29 | 28 | Male | Morgantown | West Virginia | United States | 2 - Top 20-35 Percent OVERALL |
| Brad BAKER | 40-49 | 40 | Male | Riverton | Utah | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Jonathan BAKER | 40-49 | 49 | Male | Salt Lake City | Utah | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Richard BAKER | 50-59 | 52 | Male | Westlake Village | California | United States | 4 - Middle of the pack |
| Drew BALFOUR | 20-29 | 27 | Male | Thomasville | Georgia | United States | 4 - Middle of the pack |
| Isabel BANKS | 20-29 | 25 | Female | Houston | Texas | United States | 4 - Middle of the pack |
| Kendra BARBER | 30-39 | 38 | Female | Alexandria | Virginia | United States | 4 - Middle of the pack |
| Mark BARKMEIER | 30-39 | 31 | Male | Westminster | Colorado | United States | 5 - Lower middle of the pack |
| Michael BARLOW | 30-39 | 33 | Male | Aspen | Colorado | United States | 1 - Top 20 Percent OVERALL and ALL USATF members |
| Jeffrey BARNES | 40-49 | 43 | Male | Golden | Colorado | United States | 5 - Lower middle of the pack |