| Rank | Athlete | College | Mark | Windspeed | Date | Championship | Race | Venue |
|---|---|---|---|---|---|---|---|---|
| 202 | Fiona O'Friel | UCD | 11.60 | 3.20 | 2005-04-22 | T&F | 100m SF 2 | Irishtown Stadium & Belfield |
| 127 | Ailís McSweeney | UCC | 11.70 | 2004-04-17 | T&F | 100m | Mardyke | |
| 291 | Linda McCurry | QUB | 11.70 | 1976-04-30 to 1976-05-01 | T&F | 100m | Plassey | |
| 456 | Fiona Macaulay | SU | 11.70 | 1977-06-14 | IUAA Representative | 100m | Belfield | |
| 432 | Amy Foster | UU | 11.73 | 0.40 | 2011-04-29 | T&F | 100m SF 1 | Antrim Forum |
| 445 | Amy Foster | UU | 11.76 | 2011-04-30 | T&F | 100m | Antrim Forum | |
| 457 | Ruth Algar | BLE Select | 11.80 | 1977-06-14 | IUAA Representative | 100m | Belfield | |
| 458 | Michelle Walsh | BLE Select | 11.80 | 1977-06-14 | IUAA Representative | 100m | Belfield | |
| 396 | Niamh Whelan | UL | 11.80 | 2.40 | 2009-04-25 | T&F | 100m | Plassey |
| 397 | Claire Brady | DCU | 11.87 | 2.40 | 2009-04-25 | T&F | 100m | Plassey |
| 126 | Anna Boyle | UU | 11.87 | 2004-04-17 | T&F | 100m | Mardyke | |
| 125 | Claire Bergin | DCU | 11.89 | 2004-04-17 | T&F | 100m | Mardyke | |
| 409 | Niamh Whelan | UL | 11.96 | 0.00 | 2010-04-23 | T&F | 100m SF 2 | Santry |
| 384 | Niamh Whelan | UL | 11.99 | 0.90 | 2009-04-24 | T&F | 100m SF 1 | Plassey |
| 425 | Shauna Cannon | UCD | 12.00 | 2010-04-07 | Colours T&F | 100m | Belfield | |
| 269 | J. Rogers | UU | 12.00 | 1985-05-03 to 1985-05-04 | T&F | 100m | Mardyke | |
| 208 | Zita Murphy | WIT | 12.00 | 2005-04-22 | T&F | 100m SF 1 | Irishtown Stadium & Belfield | |
| 369 | Claire Brady | DCU | 12.01 | -1.60 | 2008-04-18 | T&F | 100m SF 2 | Irishtown Stadium & Belfield |
| 76 | Anna Boyle | IUAA | 12.01 | -0.90 | 2004-06-08 | Celtic T&F | 100m | Antrim Forum |
| 189 | Lena Barry | UL | 12.02 | 1998-04-24 to 1998-04-25 | T&F | 100m | Belfield |
| Athlete | College | Mark | Date | Venue |
|---|---|---|---|---|
| Brendan O'Regan | UCC | 11.00 | 1970-05-09 | Belfield |
| Malcolm Kelly | QUB | 11.00 | 1972-05-05 to 1972-05-06 | Santry & College Park |
| John Ross | UCD | 11.00 | 1972-05-05 to 1972-05-06 | Santry & College Park |
| Finbarr Jeffords | UCC | 10.90 | 1975-05-02 to 1975-05-03 | Mardyke |
| Charles J. "C.J." Kirkpatrick | QUB | 10.90 | 1975-05-02 to 1975-05-03 | Mardyke |
| James "Jim" Christie | QUB | 10.90 | 1976-04-30 to 1976-05-01 | Plassey |
| Clive Beattie | QUB | 10.80 | 1981-05-01 to 1981-05-02 | Plassey |
| A. Gough | QUB | 10.60 | 1982-04-30 to 1982-05-01 | Santry & College Park |
| Simon Baird | QUB | 10.50 | 1985-05-03 to 1985-05-04 | Mardyke |
| Philip Snoddy | QUB | 10.40 | 1987-05-09 | Antrim Forum |
| Gary Ryan | UL | 10.30 | 1997-04-26 | Santry |
| Athlete | College | Mark | Date | Venue |
|---|---|---|---|---|
| Olga Sandys | UCG | 13.50 | 1970-05-09 | Belfield |
| Valerie Shortland | UCC | 12.80 | 1971-05-07 to 1971-05-08 | Mardyke |
| Linda McCurry | QUB | 12.50 | 1974-05-03 to 1974-05-04 | Belfield |
| Linda McCurry | QUB | 12.10 | 1975-05-02 to 1975-05-03 | Mardyke |
| Ruth Algar | NCPE | 12.10 | 1975-05-02 to 1975-05-03 | Mardyke |
| Linda McCurry | QUB | 11.70 | 1976-04-30 to 1976-05-01 | Plassey |
| Ailís McSweeney | UCC | 11.70 | 2004-04-17 | Mardyke |