| 489 |  Karen Finnigan Rachel Gardner | 40-49 | 04:38 | |
| 489 | Monica Cuddihy Sabrina Tobin | 40-49 | 04:38 | |
| 489 | Clodagh Archer Ruth Benson | 30-39 | 04:38 | |
| 489 | Aideen Foskin Aine Gannon | 16-29 | 04:38 | |
| 489 |  Lois Lee Rebecca Williamson | 16-29 | 04:38 | |
| 489 | Elaine Nagle Linda Hayes | 40-49 | 04:38 | |
| 489 | Jackie Macgill Rebecca Ansell | 30-39 | 04:38 | |
| 489 | Ciara Mhic Uilín Orla Doherty | 30-39 | 04:38 | |
| 489 | Eimear Byrne Kim Downes | 30-39 | 04:38 | |
| 489 | Jess Dalton Suzanne Mccarthy | 16-29 | 04:38 | |
| 489 | Hannah Macdonald Lynsay Platt | 16-29 | 04:38 | |
| 512 | Jo Smith Marie Sherlock | 40-49 | 04:39 | |
| 512 | Ella Giglione Sarah Giglione | 16-29 | 04:39 | |
| 512 | Beth Preston Danielle Diey | 30-39 | 04:39 | |
| 512 | Denise Leniston Lynn Cowman | 40-49 | 04:39 | |
| 512 | Claire Mcveigh Lucy Mcgardle | 16-29 | 04:39 | |
| 512 | Clare Lacey Katy Twigg | 40-49 | 04:39 | |
| 512 | Christina Loveridge Jane Hand | 40-49 | 04:39 | |
| 512 | Aine Kirby Ciara Barry | 30-39 | 04:39 | |
| 512 | Joanne Reynolds Majella Torrens | 40-49 | 04:39 | |
| 512 | Nuala Mcdowell Sinead Miller | 40-49 | 04:39 | |
| 512 | Amy Poole Grainne Poole | 16-29 | 04:39 | |
| 512 | Emma Carter  Maria Lopez Alonzo | 30-39 | 04:39 | |
| 512 | Michelle Malone Stacey Dempsey | 30-39 | 04:39 | |
| 512 | Caillie Douce Louise Bain | 30-39 | 04:39 | |
| 512 | Catherine Pancott Claire Mclaughlin | 40-49 | 04:39 | |
| 512 | Miriam Mcilkenny Vanessa Moloney | 40-49 | 04:39 | |
| 512 | Camilla O Connor Grainne Pelly | 40-49 | 04:39 | |
| 512 | Annie Deeney Elaine Mccann | 40-49 | 04:39 | |
| 512 | Christine Imray Pamela Alderson | 40-49 | 04:39 | |
| 531 | Jade Dunne Louise Keogh | 30-39 | 04:40 | |
| 531 | Ita Keenan Kate Keenan | 30-39 | 04:40 | |
| 531 | Linda Crowe Nikki Jacques | 40-49 | 04:40 | |
| 531 | Helen Moen Karina Carroll | 40-49 | 04:40 | |
| 531 | Crona Neill Naomi O Kane | 40-49 | 04:40 | |
| 531 | Lauren Hayns Sarah Ford | 30-39 | 04:40 | |
| 531 | Emma Miller Laura Jardine | 30-39 | 04:40 | |
| 531 | Alma Conroy Tham Nguyen | 30-39 | 04:40 | |
| 531 | Emma O'Connor Mia Coyne | 30-39 | 04:40 | |
| 531 | Emma Leonard Sarah Mcdonnell | 30-39 | 04:40 | |
| 531 | Amy Mcilhatton Jessica Mcilhatton | 16-29 | 04:40 | |
| 531 | Amy Tanner Claire Tanner | 30-39 | 04:40 | |
| 531 | April Brophy Jessica Kinlan | 30-39 | 04:40 | |
| 531 | Jackie Mcateer Sonia Spratt | 40-49 | 04:40 | |
| 531 | Faye Leitch Rebecca Clarke | 30-39 | 04:40 | |
| 531 | Helen Lowry Hilary Roysten | 40-49 | 04:40 | |
| 531 | Claire Kavanagh Mags Sweeney | 40-49 | 04:40 | |
| 531 | Amy Rowley Gemma Pitts | 16-29 | 04:40 | |
| 531 | Aoife Sherriff Laura Dwyer | 40-49 | 04:40 | |
| 550 | Linzi Watts Nicola Mccartney | 30-39 | 04:41 | |
| 550 | Emma Buick Laura-Lee Scott | 30-39 | 04:41 | |
| 550 | Lisa Daly Niamh Mchugh | 30-39 | 04:41 | |
| 550 | Kerrie Burns Samantha Walker | 40-49 | 04:41 | |
| 550 | Daria Rybak Gemma Quinn | 30-39 | 04:41 | |
| 550 | Fiona Kirrage Mary Spooner | 40-49 | 04:41 | |
| 550 | Aisling Granahan Katie Wolahan | 30-39 | 04:41 | |
| 550 | Chloe Rankin Karen Alexander | 16-29 | 04:41 | |
| 550 | Emma Hyland Grace O’Malley | 30-39 | 04:41 | |
| 550 |  Lenka Rehakova Rachel Butler | 30-39 | 04:41 | |
| 550 | Stephanie O Sullivan Ursula Kissane | 40-49 | 04:41 | |
| 550 | Kayleigh Boyce Sophie Boyce | 16-29 | 04:41 | |
| 550 | Alison Corey Orla Mccormick | 50-59 | 04:41 | |
| 550 | Charlene Kitchin Paula Armstrong | 50-59 | 04:41 | |
| 550 | Cailin Molloy Claire Leneghan | 30-39 | 04:41 | |
| 550 | Béibhinn Mcginley Mary Mcginley | 40-49 | 04:41 | |
| 550 | Anna Lewis Catherine O Connor | 30-39 | 04:41 | |
| 567 | Jennifer Duffy Rachel Mulligan | 30-39 | 04:42 | |
| 567 | Caitlin Boylin Emily Scott | 16-29 | 04:42 | |
| 567 | Cara-Beth Bennett Laura Evans | 30-39 | 04:42 | |
| 567 | Liz Cronin Sile Mcintyre | 40-49 | 04:42 | |
| 567 | Lauren Connor Nicole Connor | 16-29 | 04:42 | |
| 567 | Aisling Campbell Sheena Campbell | 16-29 | 04:42 | |
| 567 | Eve Miller Rachel Mornin | 16-29 | 04:42 | |
| 567 | Rachel Deakin Sibeal Cromie | 40-49 | 04:42 | |
| 567 | Hannah Kinnear Olivia Burgess | 40-49 | 04:42 | |
| 567 | Amy Mchale Bethany Devany | 16-29 | 04:42 | |
| 567 | Caitlin Woods Megan Scanlan | 30-39 | 04:42 | |
| 567 | Gemma O'Brien Natalie Simpson | 40-49 | 04:42 | |
| 567 | Gillian Nolan Siobhán Power | 40-49 | 04:42 | |
| 567 | Jolene Hughes Rachel Ennis | 40-49 | 04:42 | |
| 567 |  Manuela Passos Niamh Cosgrove | 16-29 | 04:42 | |
| 567 | Christine Knox Hollye Hamilton | 30-39 | 04:42 | |
| 567 | Agnieszka Dorrity Dorrity Clionagh Beattie | 30-39 | 04:42 | |
| 567 | Rebecca O'Neill Roisin Mcgill | 30-39 | 04:42 | |
| 567 | Aimee-Louise Mckerr Shannon Pickering | 16-29 | 04:42 | |
| 586 | Fionnuala Doherty Rita Fitzpatrick | 50-59 | 04:43 | |
| 586 | Caroline Daly Marie Mcauley | 40-49 | 04:43 | |
| 586 | Melissa Hogan  Monica Krol | 40-49 | 04:43 | |
| 586 | Emma Brady Fionnuala Kennedy | 40-49 | 04:43 | |
| 586 | Roisin Sutton Siobhan Ryan | 30-39 | 04:43 | |
| 586 | Anita Keogh Sheila Naughton | 30-39 | 04:43 | |
| 586 | Aoife Heaney Orla O'Kane | 30-39 | 04:43 | |
| 586 | Anne-Marie Jones Laragh Sampson | 30-39 | 04:43 | |
| 586 | Amy Cahill Molly Ryan | 16-29 | 04:43 | |
| 586 | Emma Kelly Sinead Dunlop | 30-39 | 04:43 | |
| 586 | Emma O'Driscoll Leanne Beechinor | 16-29 | 04:43 | |
| 586 | Haley Wilson Laura Kealey | 30-39 | 04:43 | |
| 586 | Grace Kelly Katie Kelly | 16-29 | 04:43 | |
| 586 | Holly Kay Laura Eckett | 30-39 | 04:43 | |
| 586 | Julia Lee Lyndsay Mairs | 40-49 | 04:43 | |
