| 1527 | 658 | 28:39 | 11:32 | 29:21 | Marijke | Abbes | F | 47 | SANOFI GENZYME |
| 1043 | 191 | 19:18 | 7:46 | 19:42 | Tyler | Abreau | M | 32 | COLUMBIA CONSTRUCTION COMPANY |
| 1616 | 192 | 19:19 | 7:46 | 19:33 | Jay | Affanato | M | 50 | SULLIVAN AND MCLAUGHLIN COMPANIES |
| 1013 | 323 | 20:55 | 8:25 | 21:27 | Ryan | Aghoian | M | 25 | CHAPMAN CONSTRUCTION/DESIGN |
| 1765 | 746 | 39:47 | 16:01 | 40:34 | Allisonpher | Albanese | F | 23 | UNISPACE |
| 1202 | 216 | 19:35 | 7:53 | 19:45 | Kevin | Albert | M | 42 | GLOBAL ATLANTIC |
| 1335 | 179 | 19:12 | 7:44 | 19:31 | Michael | Allen | M | 36 | NAI HUNNEMAN |
| 1342 | 599 | 26:08 | 10:31 | 26:45 | Jacquie | Amato | F | 57 | NEW BALANCE ATHLETIC SHOE INC. |
| 964 | 296 | 20:36 | 8:18 | 20:47 | Mary | Ambacher | F | 27 | BROWN RUDNICK LLP |
| 1491 | 534 | 24:29 | 9:51 | 25:03 | Gary | Amberik | M | 44 | REDGATE |
| 943 | 369 | 21:36 | 8:42 | 21:44 | Janelle | Anderson | F | 39 | BLACKROCK INC. |
| 1296 | 760 | 44:20 | 17:51 | 45:17 | Katherynne | Andujar | F | 26 | LAKE CONTRACTING INC. |
| 1014 | 619 | 26:35 | 10:42 | 27:07 | Jenna | Anglin | F | 26 | CHAPMAN CONSTRUCTION/DESIGN |
| 1534 | 73 | 17:17 | 6:57 | 17:20 | Daphne | Apostolidis | F | 21 | SANOFI GENZYME |
| 1793 | 732 | 36:47 | 14:48 | 37:22 | Joe | Ardagna | M | 36 | WALSH MECHANICAL |
| 1753 | 518 | 24:08 | 9:43 | 24:54 | Samantha | Arel | F | 21 | UNISPACE |
| 1172 | 367 | 21:31 | 8:40 | 21:53 | Kyler | Armando | M | 26 | FACTSET RESEARCH SYSTEMS INC. |
| 1067 | 466 | 23:14 | 9:21 | 23:38 | Brian | Aronson | M | 32 | COLUMBIA THREADNEEDLE INVESTMENTS |
| 957 | 137 | 18:32 | 7:28 | 18:37 | Matt | Avenia | M | 0 | BOSTON PRIVATE WEALTH LLC |
| 897 | 692 | 30:52 | 12:25 | 31:37 | Laura | Azevedo | F | 28 | AKAMAI TECHNOLOGIES INC. |
| 1044 | 592 | 25:58 | 10:27 | 26:33 | Amanda | Badgley | F | 34 | COLUMBIA CONSTRUCTION COMPANY |
| 1773 | 565 | 25:14 | 10:09 | 25:58 | Cristhian | Baez | M | 29 | VANTAGE BUILDERS INC. |
| 965 | 751 | 41:18 | 16:37 | 41:50 | Oliver | Baez | M | 23 | BROWN RUDNICK LLP |
| 1648 | 208 | 19:31 | 7:52 | 19:37 | Jeremy | Baker | M | 49 | THE BANK OF NEW YORK MELLON |
| 1820 | 309 | 20:48 | 8:22 | 21:21 | Casey | Balog | M | 32 | WINTERWYMAN |
| 1528 | 380 | 21:46 | 8:46 | 21:58 | Dinesh | Bangari | M | 43 | SANOFI GENZYME |
| 1576 | 35 | 16:15 | 6:33 | 16:21 | Ian | Barnes | M | 45 | STANDISH MELLON ASSET MANAGEMENT COMPANY |
| 1286 | 202 | 19:30 | 7:51 | 19:42 | Deborah | Barry | F | 40 | JP MORGAN |
| 1649 | 276 | 20:23 | 8:13 | 20:33 | Colleen | Bartling | F | 38 | THE BANK OF NEW YORK MELLON |
| 898 | 358 | 21:22 | 8:36 | 22:03 | Kristina | Batt | F | 27 | AKAMAI TECHNOLOGIES INC. |
| 1015 | 21 | 15:51 | 6:23 | 15:56 | Mike | Beaudry | M | 42 | CHAPMAN CONSTRUCTION/DESIGN |
| 1222 | 30 | 16:12 | 6:31 | 16:17 | James | Begen | M | 31 | INCOME RESEARCH & MANAGEMENT |
| 1312 | 617 | 26:29 | 10:40 | 27:11 | Maryellen | Belisle | F | 46 | MORGAN LEWIS & BOCKIUS LLP |
| 1529 | 704 | 32:11 | 12:57 | 32:53 | Angelina | Bellanton | F | 41 | SANOFI GENZYME |
| 899 | 13 | 15:32 | 6:15 | 15:35 | Matthew | Berk | M | 37 | AKAMAI TECHNOLOGIES INC. |
| 944 | 529 | 24:26 | 9:50 | 24:55 | Dan | Bernardo | M | 28 | BLACKROCK INC. |
| 966 | 535 | 24:33 | 9:53 | 25:07 | Sunni | Beville | F | 42 | BROWN RUDNICK LLP |
| 1344 | 756 | 42:26 | 17:05 | 42:53 | Noreen | Bigelow | F | 54 | NEW BALANCE ATHLETIC SHOE INC. |
| 1497 | 671 | 29:35 | 11:54 | 30:12 | Rene | Bilezikian | F | 33 | SAFETY INSURANCE |
| 1577 | 10 | 15:25 | 6:13 | 15:29 | Jason | Bilodeau | M | 39 | STANDISH MELLON ASSET MANAGEMENT COMPANY |
| 1069 | 691 | 30:51 | 12:25 | 31:31 | Linda | Blackenship | F | 52 | COLUMBIA THREADNEEDLE INVESTMENTS |
| 956 | 58 | 16:49 | 6:46 | 16:53 | Scott | Blumenthal | M | 25 | BOSTON PRIVATE WEALTH LLC |
| 1156 | 307 | 20:47 | 8:22 | 21:00 | Gregory | Boccio | M | 29 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 1744 | 439 | 22:47 | 9:10 | 23:17 | Phillip | Bock | M | 29 | UNISPACE |
| 1275 | 351 | 21:13 | 8:32 | 21:37 | Yvonne | Boehme | F | 36 | JONES LANG LASALLE |
| 1252 | 632 | 27:07 | 10:55 | 27:39 | Leo | Boffoli | M | 56 | J. CALNAN & ASSOCIATES |
| 1650 | 267 | 20:20 | 8:11 | 20:28 | Fallyn | Boich | F | 22 | THE BANK OF NEW YORK MELLON |
| 1679 | 215 | 19:34 | 7:53 | 19:49 | Matthew | Boilard | M | 28 | THE BOSTON COMPANY |
| 1045 | 279 | 20:25 | 8:13 | 20:49 | Brittany | Boilard | F | 28 | COLUMBIA CONSTRUCTION COMPANY |
| 1473 | 420 | 22:29 | 9:03 | 22:51 | Jim | Boland | M | 34 | RED THREAD |
| 1124 | 603 | 26:10 | 10:32 | 26:50 | Jessie | Bonilla | M | 26 | EASTERN BANK |
| 1347 | 440 | 22:49 | 9:11 | 23:09 | Elvis | Bonilla | M | 31 | NEW BALANCE ATHLETIC SHOE INC. |
| 1144 | 766 | 46:41 | 18:47 | 47:47 | Judy | Bowe | F | 52 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 1164 | 207 | 19:31 | 7:51 | 19:48 | Joe | Bowie | M | 30 | EQUITY OFFICE PROPERTIES |
| 1165 | 274 | 20:22 | 8:12 | 20:40 | Rebekah | Bowie | F | 31 | EQUITY OFFICE PROPERTIES |
| 1710 | 223 | 19:42 | 7:56 | 20:09 | Christopher | Boyle | M | 28 | TURNER CONSTRUCTION COMPANY |
| 983 | 644 | 28:07 | 11:19 | 28:43 | Lauren | Bradford | F | 49 | CABOT CORPORATION |
| 1348 | 72 | 17:13 | 6:56 | 17:20 | Michael | Bradley | M | 26 | NEW BALANCE ATHLETIC SHOE INC. |
| 1578 | 303 | 20:41 | 8:20 | 20:49 | Julia | Braithwaite | F | 44 | STANDISH MELLON ASSET MANAGEMENT COMPANY |
| 1422 | 349 | 21:11 | 8:32 | 21:32 | Peter | Breault | M | 43 | PIONEER INVESTMENT MANAGEMENT USA INC. |
| 1745 | 509 | 23:59 | 9:39 | 24:28 | Sarah | Brett | F | 38 | UNISPACE |
| 1158 | 390 | 21:58 | 8:51 | 22:11 | Libby | Brigida | F | 23 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 1108 | 762 | 46:11 | 18:35 | 47:06 | Michelle | Bristol | F | 28 | DYER BROWN & ASSOCIATES |
| 1253 | 412 | 22:25 | 9:02 | 22:57 | Tyler | Britt | M | 23 | J. CALNAN & ASSOCIATES |
| 945 | 252 | 20:07 | 8:06 | 20:16 | Vin | Brod | M | 49 | BLACKROCK INC. |
| 1774 | 488 | 23:40 | 9:32 | 24:35 | Darla | Brooks | F | 51 | VANTAGE BUILDERS INC. |
| 1498 | 131 | 18:16 | 7:21 | 18:51 | Charles | Brophy | M | 28 | SAFETY INSURANCE |
| 1224 | 393 | 22:01 | 8:52 | 22:30 | Rory | Brown | M | 32 | INCOME RESEARCH & MANAGEMENT |
| 1262 | 57 | 16:46 | 6:45 | 16:48 | Erik | Brown | M | 52 | JENNISON ASSOCIATES |
| 1711 | 702 | 31:53 | 12:50 | 32:16 | Rayon | Brown | M | 28 | TURNER CONSTRUCTION COMPANY |
| 1225 | 47 | 16:31 | 6:39 | 16:36 | Joel | Brown-Christenson | M | 25 | INCOME RESEARCH & MANAGEMENT |
| 1701 | 406 | 22:19 | 8:59 | 22:37 | Aimee | Browne | F | 24 | TRANSWESTERN |
| 1350 | 687 | 30:40 | 12:21 | 31:01 | Marika | Bruell | F | 45 | NEW BALANCE ATHLETIC SHOE INC. |
| 1161 | 728 | 35:16 | 14:12 | 36:07 | Tara | Buckley | F | 23 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 1145 | 696 | 31:28 | 12:40 | 32:21 | Ted | Bunn | M | 38 | EPILEPSY FOUNDATION OF NEW ENGLAND |
| 1176 | 268 | 20:20 | 8:11 | 20:41 | Caroline | Bunting | F | 26 | FACTSET RESEARCH SYSTEMS INC. |
| 1166 | 511 | 24:00 | 9:40 | 24:43 | Alexandra | Burke | F | 38 | EQUITY OFFICE PROPERTIES |
| 1474 | 651 | 28:19 | 11:24 | 28:55 | Ryan | Burke | M | 42 | RED THREAD |
| 1475 | 554 | 24:54 | 10:02 | 25:32 | Lauren | Burke | F | 32 | RED THREAD |
| 1254 | 462 | 23:08 | 9:19 | 23:39 | Christopher | Burke | M | 56 | J. CALNAN & ASSOCIATES |
| 1617 | 648 | 28:11 | 11:20 | 28:55 | Greg | Burns | M | 33 | SULLIVAN AND MCLAUGHLIN COMPANIES |
| 1423 | 121 | 18:04 | 7:17 | 18:12 | Alexandre | Bury | M | 27 | PIONEER INVESTMENT MANAGEMENT USA INC. |
| 1554 | 642 | 27:57 | 11:15 | 28:01 | Samira | Bustillo | F | 43 | SPARTANS |
| 1555 | 238 | 19:55 | 8:01 | 19:59 | Shawn | Byrne | M | 43 | SPARTANS |
| 1811 | 468 | 23:16 | 9:22 | 24:05 | Nicole | Calabrese | F | 34 | WINDHAVEN INVESTMENT MANAGEMENT |
| 1618 | 645 | 28:08 | 11:19 | 28:54 | Cristian | Camacho | M | 39 | SULLIVAN AND MCLAUGHLIN COMPANIES |
| 1177 | 355 | 21:18 | 8:35 | 21:39 | Joe | Camaratta | M | 25 | FACTSET RESEARCH SYSTEMS INC. |
| 1351 | 531 | 24:28 | 9:51 | 25:07 | Katelyn | Camarda | F | 25 | NEW BALANCE ATHLETIC SHOE INC. |
| 1255 | 314 | 20:50 | 8:23 | 21:21 | Jeffrey | Cameron | M | 37 | J. CALNAN & ASSOCIATES |
| 1457 | 176 | 19:10 | 7:43 | 19:21 | Christopher | Cameron | M | 31 | PRICEWATERHOUSECOOPERS |
| 1680 | 155 | 18:59 | 7:38 | 19:14 | Scott | Canning | M | 28 | THE BOSTON COMPANY |
| 900 | 127 | 18:09 | 7:19 | 18:26 | Matthew | Cannone | M | 24 | AKAMAI TECHNOLOGIES INC. |
| 901 | 583 | 25:38 | 10:19 | 25:56 | Endri | Caraj | M | 25 | AKAMAI TECHNOLOGIES INC. |
| 1499 | 672 | 29:35 | 11:54 | 30:12 | Jenna | Cardarelli | F | 29 | SAFETY INSURANCE |
| 902 | 194 | 19:22 | 7:48 | 19:28 | Julie | Carey | F | 31 | AKAMAI TECHNOLOGIES INC. |
| 1424 | 17 | 15:42 | 6:19 | 15:45 | Christopher | Caron | M | 32 | PIONEER INVESTMENT MANAGEMENT USA INC. |
| 984 | 230 | 19:48 | 7:58 | 20:03 | Gerry | Caron | M | 56 | CABOT CORPORATION |
| 1047 | 456 | 23:00 | 9:16 | 23:44 | William | Carr | M | 36 | COLUMBIA CONSTRUCTION COMPANY |
| 1125 | 527 | 24:22 | 9:48 | 25:02 | Jamie | Casella | F | 41 | EASTERN BANK |
| 1178 | 143 | 18:40 | 7:31 | 18:47 | Kevin | Cassata | M | 28 | FACTSET RESEARCH SYSTEMS INC. |