| 1280 | 182 | 18:52 | 7:36 | 19:02 | Jay | Affanato | M | 49 | SULLIVAN AND MCLAUGHLIN COMPANIES |
| 898 | 523 | 24:17 | 9:46 | 24:41 | Prasun | Agarwal | M | 39 | GRANTHAM MAYO VAN OTTERLOO & CO. LL |
| 712 | 279 | 20:20 | 8:11 | 20:51 | Ryan | Aghoian | M | 24 | CHAPMAN CONSTRUCTION & DESIGN |
| 1227 | 27 | 15:39 | 6:18 | 15:41 | Jordan | Akselrad | M | 31 | SANOFI GENZYME |
| 1286 | 435 | 22:40 | 9:07 | 23:26 | Francis | Alcantara | M | 33 | TEAMLOGIC IT |
| 1386 | 642 | 27:24 | 11:02 | 28:06 | John | Altieri | M | 46 | UNISPACE |
| 653 | 673 | 28:42 | 11:33 | 29:08 | Mary | Ambacher | F | 26 | BROWN RUDNICK |
| 1349 | 513 | 24:06 | 9:42 | 24:41 | Denzel | Amevor | M | 23 | TURNER CONSTRUCTION |
| 1006 | 701 | 30:03 | 12:06 | 30:37 | Alicia | Anderson | F | 27 | JONES LANG LASALLE |
| 601 | 463 | 22:59 | 9:15 | 23:21 | Janelle | Anderson | F | 38 | BLACKROCK |
| 817 | 407 | 22:20 | 9:00 | 22:43 | Robert | Anderson | M | 46 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 681 | 770 | 42:36 | 17:09 | 42:54 | Denine | Applebee | F | 50 | CABOT CORPORATION |
| 629 | 393 | 22:03 | 8:53 | 22:13 | Jason | Apruzzese | M | 30 | BNY MELLON |
| 552 | 369 | 21:33 | 8:40 | 21:59 | Joshua | Archbold | M | 29 | AKAMAI |
| 961 | 575 | 25:18 | 10:11 | 25:37 | Oscar | Arevalo-Toledo | M | 30 | INCOME RESEARCH + MANAGEMENT |
| 867 | 282 | 20:22 | 8:12 | 20:43 | Kyler | Armando | M | 25 | FACTSET RESEARCH SYSTEMS |
| 1330 | 651 | 27:51 | 11:13 | 28:30 | Stephanie | Asack | F | 29 | TURNER CONSTRUCTION |
| 543 | 290 | 20:32 | 8:16 | 21:05 | Jason | Atkins | M | 38 | AKAMAI |
| 775 | 526 | 24:19 | 9:47 | 24:54 | Phoebe | Augustine | F | 32 | COLUMBIA THREADNEEDLE |
| 570 | 631 | 27:10 | 10:56 | 27:31 | Harris | Austin | M | 24 | ARBOR COMMERCIAL MORTGAGE |
| 5 | 572 | 25:12 | 10:09 | 25:13 | Ramana | Babu | M | 43 | STATE STREET SPARTANS |
| 1228 | 539 | 24:27 | 9:50 | 24:58 | Rena | Baek | F | 37 | SANOFI GENZYME |
| 655 | 749 | 37:55 | 15:15 | 38:41 | Oliver | Baez | M | 22 | BROWN RUDNICK |
| 774 | 549 | 24:37 | 9:55 | 25:14 | Anwiti | Bahuguna | F | 46 | COLUMBIA THREADNEEDLE |
| 642 | 249 | 19:54 | 8:01 | 19:59 | Jeremy | Baker | M | 48 | BNY MELLON |
| 1175 | 733 | 34:38 | 13:56 | 35:15 | Michael | Balbi | M | 35 | PRICEWATERHOUSECOOPERS |
| 544 | 392 | 21:59 | 8:51 | 22:23 | Chris | Balduino | M | 33 | AKAMAI |
| 1207 | 285 | 20:26 | 8:14 | 20:36 | Dinesh | Bangari | M | 42 | SANOFI GENZYME |
| 784 | 14 | 15:08 | 6:06 | 15:10 | John | Barrett | M | 46 | COLUMBIA THREADNEEDLE |
| 1446 | 454 | 22:54 | 9:13 | 23:15 | Jessica | Bartlett | F | 25 | WINTERWYMAN |
| 548 | 752 | 38:39 | 15:33 | 39:06 | Kristina | Batt | F | 26 | AKAMAI |
| 1465 | 492 | 23:37 | 9:31 | 24:13 | Andrew | Bauer | M | 24 | |
| 700 | 26 | 15:39 | 6:18 | 15:45 | Michael | Beaudry | M | 41 | CHAPMAN CONSTRUCTION & DESIGN |
| 944 | 30 | 15:49 | 6:22 | 15:52 | James | Begen | M | 30 | GRANTHAM MAYO VAN OTTERLOO & CO. LL |
| 1339 | 576 | 25:18 | 10:11 | 25:35 | Adam | Belanger | M | 27 | TURNER CONSTRUCTION |
| 763 | 131 | 18:01 | 7:15 | 18:06 | Dan | Bellehsen | M | 30 | COLUMBIA THREADNEEDLE |
| 1050 | 386 | 21:51 | 8:48 | 22:08 | Becky | Benowicz | F | 36 | NEW BALANCE |
| 1011 | 145 | 18:17 | 7:22 | 18:25 | Josh | Berman | M | 33 | JONES LANG LASALLE |
| 600 | 558 | 24:50 | 10:00 | 25:13 | Daniel | Bernardo | M | 27 | BLACKROCK |
| 938 | 150 | 18:22 | 7:24 | 18:31 | Kevin | Berry | M | 25 | GRANTHAM MAYO VAN OTTERLOO & CO. LL |
| 662 | 597 | 25:58 | 10:27 | 26:37 | Sunni | Beville | F | 41 | BROWN RUDNICK |
| 1128 | 780 | 47:37 | 19:10 | 48:23 | Noreen | Bigelow | F | 53 | NEW BALANCE |
| 1244 | 9 | 14:52 | 5:59 | 14:54 | Jason | Bilodeau | M | 38 | STANDISH ASSET MANAGEMENT |
| 1170 | 92 | 17:19 | 6:58 | 17:24 | Elizabeth | Binstadt | F | 26 | PRICEWATERHOUSECOOPERS |
| 561 | 553 | 24:44 | 9:57 | 25:12 | Tom | Bishop | M | 44 | AKAMAI |
| 796 | 771 | 42:43 | 17:12 | 43:32 | Karen | Blakely | F | 54 | DISTRICT MANAGEMENT COUNCIL |
| 652 | 380 | 21:43 | 8:45 | 21:50 | John | Blazo | M | 56 | BOSTON AIR SYSTEMS |
| 1016 | 533 | 24:23 | 9:49 | 25:08 | Yvonne | Boehme | F | 35 | JONES LANG LASALLE |
| 1174 | 460 | 22:58 | 9:15 | 23:23 | Kristin | Bogart | F | 28 | PRICEWATERHOUSECOOPERS |
| 1295 | 232 | 19:42 | 7:56 | 19:54 | Matt | Boilard | M | 27 | THE BOSTON COMPANY |
| 1421 | 8 | 14:42 | 5:55 | 14:44 | Thomas | Boland | M | 32 | WALDEN ASSET MANAGEMENT |
| 1201 | 430 | 22:37 | 9:06 | 22:47 | Lauren | Bolger | F | 27 | SANOFI GENZYME |
| 1065 | 423 | 22:35 | 9:05 | 23:08 | Elvis | Bonilla | M | 30 | NEW BALANCE |
| 1143 | 292 | 20:35 | 8:17 | 21:08 | Michael | Botte | M | 21 | PIONEER INVESTMENTS |
| 832 | 785 | 48:51 | 19:40 | 49:45 | Kimberly | Boudrot | F | 47 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 833 | 787 | 48:55 | 19:41 | 49:46 | James | Boudrot | M | 52 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 989 | 125 | 17:56 | 7:13 | 18:13 | Sam | Bourneuf | M | 29 | ISLE SOCIETY RUNNERS |
| 993 | 676 | 28:51 | 11:37 | 29:32 | Chris | Bourque | M | 36 | JAMESTOWN IDB |
| 824 | 789 | 48:55 | 19:41 | 49:46 | Judy | Bowe | F | 51 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 852 | 767 | 41:21 | 16:38 | 42:10 | Rebekah | Bowie | F | 30 | EQUITY OFFICE |
| 1377 | 105 | 17:36 | 7:05 | 17:55 | Christopher | Boyle | M | 27 | TURNER CONSTRUCTION |
| 1247 | 236 | 19:46 | 7:58 | 19:55 | Julia | Braithwaite | F | 43 | STANDISH ASSET MANAGEMENT |
| 1057 | 22 | 15:30 | 6:15 | 15:35 | Peter | Breeze | M | 37 | NEW BALANCE |
| 999 | 596 | 25:57 | 10:27 | 26:37 | Jennie | Brennan | F | 30 | JAMESTOWN IDB |
| 798 | 750 | 38:34 | 15:31 | 39:04 | Michelle | Bristol | F | 27 | DYER BROWN ARCHITECTS |
| 604 | 310 | 20:46 | 8:22 | 20:59 | Vin | Brod | M | 48 | BLACKROCK |
| 1415 | 446 | 22:50 | 9:12 | 23:22 | Darla | Brooks | F | 50 | VANTAGE BUILDERS |
| 958 | 399 | 22:08 | 8:54 | 22:27 | Rory | Brown | M | 31 | INCOME RESEARCH + MANAGEMENT |
| 982 | 32 | 15:51 | 6:23 | 15:53 | Joel | Brown-Christenson | M | 24 | INCOME RESEARCH + MANAGEMENT |
| 1321 | 542 | 24:31 | 9:52 | 24:58 | Aimee | Browne | F | 23 | TRANSWESTERN |
| 1410 | 612 | 26:39 | 10:44 | 27:20 | Kirsty | Brownell | F | 25 | VANTAGE BUILDERS |
| 1073 | 695 | 29:49 | 12:00 | 30:22 | Marika | Bruell | F | 44 | NEW BALANCE |
| 836 | 583 | 25:27 | 10:15 | 26:00 | Alexandra | Bruke | F | 37 | EQUITY OFFICE |
| 1343 | 468 | 23:02 | 9:16 | 23:19 | Chris | Brunelli | M | 26 | TURNER CONSTRUCTION |
| 1306 | 311 | 20:46 | 8:22 | 20:50 | Richard | Bullock | M | 35 | THE BOSTON COMPANY |
| 831 | 712 | 30:59 | 12:28 | 31:43 | Edward | Bunn | M | 45 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 880 | 224 | 19:30 | 7:51 | 19:41 | Caroline | Bunting | F | 25 | FACTSET RESEARCH SYSTEMS |
| 1334 | 434 | 22:39 | 9:07 | 22:58 | Alena | Buonocore | F | 22 | TURNER CONSTRUCTION |
| 1252 | 183 | 18:52 | 7:36 | 18:56 | Jeffrey | Burger | M | 41 | STANDISH ASSET MANAGEMENT |
| 1385 | 783 | 47:51 | 19:15 | 48:43 | Faith | Burgos | F | 29 | UNISPACE |
| 1178 | 461 | 22:58 | 9:15 | 23:22 | Gretchen | Burhans | F | 28 | PRICEWATERHOUSECOOPERS |
| 1452 | 195 | 19:05 | 7:41 | 19:13 | Jose | Burke | M | 26 | WINTERWYMAN |
| 1331 | 792 | 52:00 | 20:55 | 52:48 | Ed | Burns | M | 28 | TURNER CONSTRUCTION |
| 846 | 325 | 20:54 | 8:25 | 21:12 | Erik | Burns | M | 27 | EQUITY OFFICE |
| 1164 | 123 | 17:56 | 7:13 | 18:01 | Robert | Burns | M | 55 | PRICEWATERHOUSECOOPERS |
| 10 | 656 | 28:02 | 11:17 | 28:03 | Samira | Bustillo | F | 42 | STATE STREET SPARTANS |
| 16 | 269 | 20:14 | 8:09 | 20:15 | Shawn | Byrne | M | 42 | STATE STREET SPARTANS |
| 1392 | 654 | 27:55 | 11:14 | 28:38 | Ryan | Caffyn-Parsons | M | 45 | UNISPACE |
| 1419 | 334 | 21:04 | 8:29 | 21:22 | Nick | Caldwell | M | 31 | WALDEN ASSET MANAGEMENT |
| 1323 | 589 | 25:44 | 10:22 | 26:12 | Abby | Callahan | F | 30 | TRANSWESTERN |
| 814 | 713 | 31:00 | 12:29 | 31:44 | Leigh | Callahan | F | 25 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 1278 | 443 | 22:48 | 9:11 | 23:00 | Cristian | Camacho | M | 38 | SULLIVAN AND MCLAUGHLIN COMPANIES |
| 1061 | 529 | 24:19 | 9:47 | 24:46 | Katelyn | Camarda | F | 24 | NEW BALANCE |
| 1299 | 184 | 18:52 | 7:36 | 19:05 | Scott | Canning | M | 27 | THE BOSTON COMPANY |
| 754 | 682 | 29:19 | 11:48 | 30:00 | Katelyn | Cantelli | F | 32 | COLUMBIA CONSTRUCTION COMPANY |
| 1360 | 316 | 20:48 | 8:23 | 21:13 | Andrew | Caparco | M | 31 | TURNER CONSTRUCTION |
| 1305 | 152 | 18:22 | 7:24 | 18:27 | Christine | Cappabianca | F | 33 | THE BOSTON COMPANY |
| 1275 | 684 | 29:21 | 11:49 | 29:53 | Michelle | Carden | F | 48 | STATE STREET WIN |
| 1146 | 24 | 15:32 | 6:15 | 15:33 | Chris | Caron | M | 21 | PIONEER INVESTMENTS |
| 686 | 231 | 19:40 | 7:55 | 19:45 | Gerry | Caron | M | 55 | CABOT CORPORATION |